Contra spring rpm. The bike was about 5HP and I wanted low rpm on flat land.

Contra spring rpm TDR CVT Springs have been used by IAC back on topic, manufacturers install the weakest spring that will work to meet the desired performance, but also have to meet the fuel economy/emissions targets, intermitently slipping belts causing pulley grooving and/or belt shudder/slapping are the common issues with weak contra/torque springs, most Silverwing 600 suffer from belt slapping the case, completely A 1000rpm spring will go into a higher gear than a 2000rpm spring. GY6 Naraku Performance Parts Compression Torque Spring Naraku +2000 rpm for GY6, Kymco, Honda Naraku Sports Contra Spring V. With all those modifications, the cost goes up. RPM's are almost constant during acceleration, which is what you ultimately want it to be like for quickest acceleration. Reply reply More replies More replies More replies. Malossi 297045. The stock clutch has a contra spring in it and that stock contra spring is very soft. Skip to content Everything you need in one spot with great customer service and support Home Shop All About Us This is your contra spring. The greater RPM spring will I have played with many contra spring setups and as noted elsewhere on this forum, in most cases a very stiff spring only adds HEAT and wear to a setup. Most powerkits have the 2,000 springs which should have a fast and hard take off but may need try test diff variator weights and even contra springs to see what works best for you . I think they should say the spring rpms instead soft or hard etc . 1500 RPM contra spring for Honda Navi variators. The only reason I can see for the 1000/1500/2000rpm etc ratings is to differentiate the increases in tension from a particular manufacturer. The clutch must engage before the CVT begins upshifting. There are angled grooves that the pulley travels on. Been running with the stock rollers for a while and not bad with the up-rated contra spring. The front half of the pulley is also torque controlled. $ 23. With a stiffer contra spring, I could get to peak power revs more consistently when on the go. I can't say exactly what it does by exact RPM, etc, because I no longer have the bike, but it acted pretty much like lighter weights. OK, another issue I see asked a lot is about different roller weights, different variators, and different contra springs. So I am going to attempt to put it out in simple terms. The numbers don't Silicon-steel springs with high carbon content, heat-treated, dynamically balanced, kiln painted, designed and calculated for each specific application. 3. Member; Posts: 409; Contra Spring « on: November 22, 2015, 04:24:02 AM » Hello guys. I'm so confused with the informations available. When the drive belt starts to slip, or the torque changes when accelerating or when ZUMA YAMAHA 1000 RPM JASIL CONTRA SPRING 15% contra spring, for your minarelli based sooter. 1000RPM, 1500RPM, and 2000RPM being the most common examples. Now with a higher contra spring rating the clutch can close much faster when you roll off the gas and rpm's drop, causing the cvt ratio to Contra spriing - is that the spring located inside the clutch bell? the one you could purchase in the market has a higher rpm than the stock. The delta clutch with Malossi spring = Solid grab, engine rpm’s slightly higher but I also switched my main jet to a 90 that day I’ve also heard the Malossi Contra is better for acceleration while the stock contra is best for top speed. All at the expense of top speed. Try the yellow and go up say . The spring is forcing the two halves of the rear pulley together, holding belt outward, and keeping a low gearing. Malossi clutch and bell and contra spring. for Koso 1500 RPM Clutch Torque Contra Spring Black for GY6 150cc Scooter Moped 1. Not the big contra spring. The truth of the matter is, A new variator, spring, and weights WILL NOT increase At that point, any additional speed increase is due to RPM increase of the engine. It's like changing to a lower gear on a normal geared bike. any contra spring can be made to act similar to any other with the appropriate variactor weights and vice versa. So a shorter stiffer spring could actually have the same preloaded force, as a longer softer spring, giving the same actual performance off the line. With the Yellow or Red clutch springs, it will take a higher RPM to launch the bike, which is fine if you are riding hard, but not quite as much fun in city traffic. its better then cold but still not stable. For example Malossi's white contra is 15% stiffer than the default spring. Remember that performance parts perform, so they are in the opposite direction of economy. Also, make sure the pulley still opens ALL the way with the new spring. The CVT shouldn't upshift Typically anything with a numeric value on aftermarket parts indicates the total rpm difference between that item compared to the OEM item. If you go with a Does anyone have a chart from Malossi that shows what RPM range their Contra Spring(s) engage at or over (similar to the Clutch Spring Chart below) 161422 161423 Is there even a chart on the Contra Springs? I’m looking at making up a “Master Chart” of all my Malossi Springs (both Clutch and Contra). I've run the stiff Yellow spring and the stiffer Red spring and I think that they stress out the belt too much. I know they sell different springs for different rpm shift points but I don't understand how this device improves acceleration or top speed. If I accelerated full throttle from a standstill for a few hundred yards and then let go of the gas and accelerated full throttle again, I noticed that the engine won't rev that high anymore, maybe a few hundred rpm or even 1k lower. 4 US qt) when filter is NOT replaced First things first, this info assumes you know how a CVT works. Les ressorts de couple sont disponibles par paquets de 2 ou 3 ou sont disponibles à l'achat individuellement. No other changes to the Scooter. (I speak only of my 2T experience) I usually get the best results from a slightly stiffer spring than a stock spring. Multiple manufacturers make white contrapressure springs. Some final roller weight adjusting may be necessary to compensate for the lack of contrast spring choices. Allow me to otherwise make some key points to get up and running as quickly as possible - Roller weights are part of what controls the RPM the CVT maintains (they have a direct, force/resistance balanced, relationship with the contra spring). The small springs control the rpm at which the clutch engages. Your gonna wanna get a red contra and cut 1/3 off it and for your cclutch springs I would get the mid grade bite rpm triplets and hope they work. Measurements: Wire Diameter: 4. HELP !!! I put the ncy clutch and bell on and the yellow 1500 contra spring with 11 g rollers but it is slower top speed . shortening service life of CVT components. with the polini variator unit and simonini circuit and gold contra spring w 12. If the contra spring is too soft you will shift into a talker gear too early, have low rpm and it most likely won’t close up when slowing down or when hitting a hill. You want enough weight to open it all of the way for top speed. But the RPM was so high and annoying that I had to do something so I didn't feel like that kid with the 50cc moped trying to wind it out to do 35mph. By continuing, IF the RPM peaks much higher, then I'll look at changing the contra spring, or the Multivar kit. The Scooter only had 10k on it. 1,000RPM, 1,500RPM and 2,000RPM. you getting some snap ring pliers if you want to tackle this job. Anyway the blue springs are like 1000RPM springs, that should mean it would take 1000RPM's to make the clutch open. 00 / Piece. Got the green mallosi spring and put it in today. 5mm fuzzy washer standard springs and standard contra spring, i shelled out the £134·00 and sure enough wheelie city from the line zero hesitation max 82. Get the spring right for your particular application, then fine-tune with the rollers, just 3 Moving onto the rear pulley, the rear pulley has a large and powerful spring (known as the contra spring) holding the halves of the rear pulley together. For a contra spring a +2,000RPM spring would be expected to raise acceleration/cruise revs by 2,000RPM. Leo Vince exhaust may have some differences in performance. Malossi 297043. For example, if your scooter's clutch engages at 2,000RPM stock and then you add 2,000RPM clutch springs, it should engage around 4,000RPM. Share this Product. 2 +2000rpm. 6 L (3. ca: Automotive Naraku Sports Contra Spring V. I. More from this collection The 1st obvious one is the spring’s rate lb per mm or kg/mm. peak power is near 7800 rpm or more ( 72cc bbk ). This in turn influences the “behavior” of the variator. That's not impossible that the OEM spring has enough of Find many great new & used options and get the best deals for Yamaha Jog CS50 50 +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! The Yamaha Aerox/Nmax 155 comes stock with an 800 rpm main/contra spring. If it were hilly the bike would have self destructed from too much loading. Does anyone have a chart from Malossi that shows what RPM range their Contra Spring(s) engage at or over (similar to the Clutch Spring Chart below) 161422 161423 Is there even a chart on the Contra Springs? I’m looking at making up a “Master Chart” of all my Malossi Springs (both Clutch and Contra). Replacing the spring is necessary when tuning engines, the idea is to prevent the The spring colors relate to RPM's, maybe, I say maybe because there are other opinions out there which are just as valid. I'm going to ride with these now. The big spring is called the contra spring, it's completely separate from the little set of clutch springs. Might need more weight even, with the tighter spring and all. 5K Contra Spring for Yamaha Zuma and Minarelli based scooters . Wishlist 0 | Cart 0 | Log in; Search. The current version of the Naraku counter pressure spring uses a modified alloy spring providing better resilience and above average strength. A tighter contra spring will force the clutch to close keeping your rpm up BTW, the new spring will help dont get me wrong. Find many great new & used options and get the best deals for Sachs Speedjet 50 +2000 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Stiffening the contra will force it back down to "1st" sooner, and require a bit more rpm to get it up to "2nd". i have a ALSO - It runs GREAT now! Like a 600cc scoot should, IMO. 5g on three weights if possible and see how it does. 10-1. 99. YO. no offense po pero di pwedeng bumaba ang rating ng clutch spring at center spring ng 800rpm, kasi idle pa lang ng motor natin 1000+ rpm na, eh hindi pa naman Find many great new & used options and get the best deals for Aprilia SR50 R +2000 RPM Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Just installed the DrowSports performance racing clutch conversion. If I'm right about the feeling during decelerating, then maybe what I'm feeling is the clutch disengaging. ( to do so however, the heavier rollers wouldn't fit physically, and the lightest would have durability Contra Spring Rpm. Purple Malossi Contra Spring 42 MPH on the flats with the wind. (This is why a stiffer contra takes more rpm to force the clutch open). 2 Pack, +1000, +1500, +2000 rpm. So change the clutch springs to stiffer ones for more revs on launch. 3 inches Seat height: 31. Not going to mess with it anymore, and my 50mph RPMs went from 4,500 stock, to 4,300 with the sliders snf bushings, to 4,100 with the addition of the Malossi White Contra spring. I changed the contra spring to a yellow one 1500rpm. Available in different rpm ranges that suit your motorcycle best. Find many great new & used options and get the best deals for Benelli 491 RR50 Post 03 +2000 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Generic Race 50 +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Move out too early means they are either too heavy or the contra spring in the rear is too weak or possibly the belt is severely worn. too stiff contra spring combined with too heavy rollers/sliders can increase belt and pulley temperatures. You can try a softer spring (original one). 5k Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Benelli 491 ST50 pre 03 +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Yamaha Neos YN50 50 2T +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for DB50QT-E Tommy +1000 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Malaguti F15 Firefox 50 LC +1500 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Direct Bikes DB50QT-16 +2000 RPM Clutch Contra Spring at the best online prices at eBay! Free shipping for many products!. These seem to have only soft, medium and hard which tells very little about performance of them. From my personal experience that’s held up this far but definitely try it let us know! The numbers don't indicate the engagement or operation RPM, but rather the estimated RPM increase. PDA. Sr. View \ \ \ \ \ \ Recommend for you; What is Carbon Steel Extension Adjustable Return Spring. This keeps it in a lower gear for longer. The contra spring is about 12-15% stiffer than stock. 5k Clutch Contra Spring for the Yamaha Zuma and Prebug at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Benelli 491 GT50 AC -03 +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! The rollers have to pull the belt against the contra spring. The Dr Pulley clutches come with several weights and spring sets to help you fine tune the CVT . I have a 2011 all stock and I just added Dr. Oh, okay, see I thought[for some reason] that the oem springs were rated at a higher rpm, because how slow they can appewr to accelerate. Yamaha zuma, jog, and more! #scooterswapshop #yasuni #bugeye #yamahazuma #bws #malossimhr #stage6 Find many great new & used options and get the best deals for Sym Symphony 125 +1500 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! To install the contra spring is a two guy operation, one person has to compress the spring while the other tightens the lock nut down with an impact. - Higher RPM's per MPH will inherently require The contra spring holds the rear pulley closed . Change the contra to a stiffer one (or use lighter rollers) for more revs once the clutch is engaged. This NCY (Blue) 1000 rpm compression spring is specifically for the stock GY6, (Yellow) 1500 rpm usually for Street and (Red) 2000 rpm for Race. Add to Wishlist. Here's a YouTube video of a weak contra spring demonstration Contra springs Contra spring. In addition, slowing down from speed and then struggling to accelerate up again also indicates too light a spring because when you slow down the spring is supposed to push the rear pulley together into a lower gear ratio. Really recommend doing a spring job! Have to get some other rollers at some stage. This image is what the rear pulley looks like at low rpm's. Is it that my slider weights are too light in comparison to the stiffness of my contra spring? Not enough mass in the sliders to overcome the stiffness of the new contra spring? Find many great new & used options and get the best deals for Malossi 1500 RPM 1. Hello again. Find many great new & used options and get the best deals for Huatian HT50QT-25 +1500 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Clutch and Contra Spring 50cc - 124cc Register: FAQ: Community: Calendar: Today's Posts: Search ScootDawg Forums > Performance :: Maintenance :: Technical > 50cc - 124cc: Clutch and Contra Spring User Name: Remember Me? Password sa clutch spring naman, pag nagpalit ka ng 1500rpm na clutch spring, kakagat yung clutch mo 1500rpm above stock clutch spring rpm ng jet, ibig sabihin, kakagat yung clutch mo at 2500rpm. What is the advantage of this spring? 800 RPM? What are your thoughts on this? Naraku Sports Contra Spring V. At first it was great, RPM #nmax155 #nmaxnation #nmax Mga paps sa video ito ay mag papalit ako ng center spring at clutch spring. Is it the rollers or the spring ??? I was thinking of using oem spring and testing it but wanting to eliminate all of the of the trials if anyone knows for sure Explaining the functions of a scooter torque spring and under what conditions you would consider changing to a stiffer one. I really recommend the a 115mm Variator if yours The contra spring works with/against the rollers to change RPM after that. Since it is a crucial part of the tune, for the purpose of this article, We will consider the counter-spring a tuneable part of the variator. Stiffer spring makes it maintain a higher RPM. 3 inches Fuel capacity: 4. I drew these pictures real quick, and they are not to scale, but they should work and give you a good idea. I answered the same question 3-4 times in 6-7 languages including jibberish. (Torque Spring) This spring puts back pressure on the back converter (“Speed Drive/Torque Drive”). 2 L (3. gnvernon. Compression springs do a couple of things. Similarly with the spring; The lighter, or weaker that it is, the lower the RPM/weight it will give at, the heavier, or stronger spring, the higher the forces (RPM x Weight) to overcome it. Pulley Sliders 18g and the Malossi White Contra Spring. I red line around 49 and was topping out around 52 . Top speed is determined by several factors including gearing, engine output and drag. This is often the simplest solution to basic CVT tuning because it's easier to remove/install the variator than to remove/install the rear pulley and disassemble/assemble it. The truth of the matter is, A new variator, spring, and weights WILL NOT increase your vehicles OK, another issue I see asked a lot is about different roller weights, different variators, and different contra springs. Jr. Share 0 Tweet 0 Pin it 0 Fancy +1. Id try lighter clutch springs and a stage 6 pink Xtra soft Just looking for feedback on how upgrading a clutch contra spring can improve performance. 6g polini rollers are too light for this small kit and small carb/intake I like this thinking, and the way I picture it is that if the stock contra spring is strong enough to prevent the variator from expanding completely all the way out, you might be able to increase the upper drive ratio with a lighter spring, as long as it avoids the slippage you mentioned. Find many great new & used options and get the best deals for Aprilia SR 50 Di-Tech 00-04 +1500 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! add ko lang sa mga gumagamit ng stiifer center spring, kung stock lang makina nyo, kakainin lang ng stiffer spring ang power na makina nyo. 8 What do the colors of aftermarket clutch and contra/torque/main springs mean? Chinese and Taiwan made clutch and contra springs commonly come in 3 denominations. Contra spring There are 30 products. 2 +2000rpm The current version of the Naraku counter pressure spring uses a modified alloy spring providing better resilience and above average strength. Wondering if there’s any contra springs that are 1500rpm for the stock Navi clutch. The 1500 rpm spring increases acceleration smoothly What it does do is adjust your rate of acceleration, and at what RPM your motor runs at ApriliaForum sponsored by AF1 Racing, inc. pansin din namin sa 4t hinde kailangan mag rev ng mataas like sa 2t. Add to Cart The contra spring helps push the rear pulley back together when torque is applied to the rear pulley. If you aren't experiencing Decrease quantity for Reveno GY6 QMJ157 Contra Spring Increase quantity for Reveno GY6 QMJ157 Contra Spring. As for the Contra spring ( the large clutch spring) this has nothing to do with engaging the clutch. Find many great new & used options and get the best deals for Malossi 1500 RPM 1. If when you approach a small hill the scooter slows drastically you may have too light a contra spring. The truth of the matter is, A new variator, spring, and weights WILL NOT increase your vehicles Been running with the stock rollers for a while and not bad with the up-rated contra spring. I didn't even have to remove the big nut holding the contra spring to change the clutch springs. The stock was black. The truth of the matter is, A new variator, spring, and weights WILL NOT increase your vehicles The jog spring still has to be cut, the triplets are gonna be hit or miss the jog clutch weighs difrently and is rated at a certain weight. Pulley clutch to the high revving characteristics of our built engine, we went up two stiffness levels in clutch spring stiffness to raise the launch rpm. But, if the belt is severely worn, it won't pull all the way in at the back and will cause you to rev higher to maintain the same speed and you might notice some slippage. I have always known clutch and contra spring ratings as RPM. G-Dub · Registered. The launch RPM being too high is most likely a clutch spring issue. 2mm Inner DIameter: 48. Hmmm? Took it for a spin and so far can't really tell a difference. May be useful for increasing takeoff acceleration and maybe for hillier roads, and probably for increased belt wear. 2 for GY6, Kymco, Honda, Piaggio 8,35 € 9,28 € Author Topic: Contra Spring (Read 1386 times) agilebda. 5K 1500RPM : Amazon. As torque is applied to the Naraku Sports Contra Spring V. So a heavier one does so for longer. The front half of the rear pulley is placed under pressure by the contra spring to i finally got my new leo vince exhaust working properly on my '06 Aprilia SR50 DiTech however now im having trouble with acceleration as well as top end. vacationer Lots of RPM but not translating to speed. This keeps the belt in the outermost position in the rear pulley that it can be in the contra spring is what makes the clutch shift, a tighter spring means it stays in lower range longer. Malossi Fly Clutch / 1000 rpm spring Hoca ball bearing spring seat The contra spring ( or torque spring ) in conjuction with the variator weights determine pulley gear ratio at a given rpm. I've added a stronger contra spring to a different bike, a Suzuki 400, for what it's worth. The job of the contra spring is to maintain appropriate tension on the drive belt, raise the belt up the rear pulley during deceleration, and balance the force of the roller weights When your messing around with the contra spring and the clutch springs you do have to abide by the rule that : 1. Also the "lowest" spring is 1000rpm anyone have an idea what a stock contra spring would shift at? 1500 RPM contra spring for Honda Navi variators. View Full The stronger the spring the more the tendancy to be in a lower gear- also it will lower your RPM slightly. Softer spring a lower note. Reviewed in the United States on July 21, 2014. The clutch is more likely a performance version. It's job The contra, or torque, spring in the clutch provides resistance against the clutch pulley, so the variator weights have to provide enough force to overcome the resistance of the contra spring. Malossi Honda Ruckus 2000 RPM red contra spring. La version actuelle du ressort à contre-pression Naraku utilise un ressort en alliage modifié offrant une meilleure résilience et une résistance supérieure à la moyenne. Malossi Yamaha Zuma 50 1500 RPM yellow contra spring. Kevlar belt. What is 14 Inch Stainless Steel 304 Refrigerator Sliding Door Spring There are two types of clutch springs, the small pillow springs and the large contra (torque) spring. 0mm Home / Products / GY6 NCY contra spring GY6 NCY contra spring. Dr. -Green Polini (1500 rpm) Clutch Springs-Yellow Malossi Contra Spring-Malossi Multivar Variator w/5g rollers-JDM rear turn signal mod-VForce 3 Reed Kit -Kenda K413 Street Tires-Polini 13/44 Gears (to be installed still) stiffer contra spring requires more RPM/force generated by the variant rollers/sliders closing/pushing the belt further out on the variant and pull the belt down into/opening the rear pulley. you can try a 1500rpm but i would match the clutch springs with 1500's. So after some test's finally I can say: I love Dr. Or in other words: 2. Yes, this is correct but I recommend just running the stock black spring and using lighter variator weights. They also don't affect clutch engagement at all. 2 +2000rpm The current version of the Naraku counter pressure spring uses a modified alloy spring providing The contra spring, sometimes also called the torque spring, is the spring that controls the spread of the rear pulley when acted upon by the spinning weights in the front variator pulley through the belt. The current version of the Naraku counter pressure spring uses a modified alloy spring providing better resilience and above average stre More rpm to engage the contra spring in the clutch. So when you need higher rpms going to smaller variator weights is the preffered way to raise rpms because when you go to a stiffer contra spring your belts wear faster. The "rpm" ratings on contra springs are basically misleading. e. 2 + 2000tpm. This extra tension also keeps the belt from slipping (causing unwanted vibration). Menu Cart 0 Wishlist (0) Home Catalog Models +- Home › Malossi Honda Ruckus 2000 RPM red contra spring. Some said that stiffer contra spring will make the scooter accelerate quicker, but it doesn't sound right to me because I imagine stiffer contra spring will take a higher rpm or few more seconds to be pressed and let the belt to get to the inner of the rear pulley, compared to softer contra spring. to 7,800 when cracking the throttle and it is pulling at 8,000 by 40mph but the revs drop straight back down to 2k rpm when reaching a cruise. The contra spring creates tension on the drive belt by pushing the rear pulley closed and trying to keep it closed. TDR CVT Spring designed with high-quality material and specially engineered spring elasticity to enhance CVT power output. Both are available in various engagement speeds and are color coded for each speed - generally blue is 1000 RPM, yellow is 1500 RPM, and red is 2000 RPM. Find many great new & used options and get the best deals for Aprilia Scarabeo 50 2T Classic 2018- E4 +1500 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Malossi 2K Contra Spring for the Honda Ruckus. Description Find many great new & used options and get the best deals for PGO G-Max 50 AC +2000 RPM Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Generic ROC 50 +1500 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Yamaha Why 50 +1500 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Generic Ideo 50 +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Baotian BTM BT49QT-20 2T +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Sachs Speedforce R 50 +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Yamaha Jog R CS50R AC +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for Italjet Formula 50 AC +1000 rpm Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for MBK Booster 50 +2000 rpm Sport Clutch Contra Spring at the best online prices at eBay! Free shipping for many products! ZUMA YAMAHA 1000 RPM JASIL CONTRA SPRING 15% contra spring, for your minarelli based sooter. The clutch doesn’t engage til 6500 rpm or higher. the problem is that when i get upto about 50 km/h the rpm's drop drastically to about 6000/rpm where it should be up at about 8000/rpm, but that isnt a problem unless im going uphill (even slightly) my speed will When you go to stiffer contra spring it makes your variator weights act lighter because they have to spin at a higher rpm to over come the Contra spring and start shifting . I got the s23 clutch with stock contra spring and the variator installed, im using 13 gram rollers, it has a vibration right at takeoff but quickly goes away, not sure what that is about? When I was using blue ncy 1000 rpm springs I had a lot of weird vibration from 0-5 mph. A too strong spring will limit your top speed. this is a contra spring (the white coil on the left) a torsion controller is a good addition as it'll make the contra last longer and work more effectively because it doesn't bend or distort. I saw a member of another forum posting that they were actually measured in There recommendation was polini 6 roller, mallossi belt and . I put everything that came in the kit onto the bike as you see in the photo, and I know since it's stock that the red clutch springs are too much and possibly the yellow contra is You can't tell a stock spring apart just by its color. Member; The bike was about 5HP and I wanted low rpm on flat land. Price Match ! Description; Malossi 1. SOLD EACH. So maybe a tight contra with 1000 rpm triplets. I did the 11g dr pulley sliders and it kinda leaves something to be desired and I feel like it might be the contra spring. Joined Oct 11 Now I know that they grab/lock up earlier and can overpower a weak oem torque spring, whats your rpm doing when you feel this hop. Feel like maybe I should have gotten the purple one now haha. A tuned pipe for a two-stroke drops low RPM output and most will install stiffer clutch springs to help bypass low revs at launch (as well as lighter roller weights and/or a OEM SPRINGS are WEAKER they are rated 700-800 All your performance springs are 1000,1500,2000, that also applies to the CONTRA Spring. 8 US qt) when the oil filter is replaced or 3. 3 mph limiter pulsing in. At that point, any additional speed increase is due to RPM increase of the engine. For what it's worth, I did Dr Pulley 26g sliders and variator bushings, and the Malossi White Contra spring. so kahit mag bigat pa kayo ng bola, hinde din kakayanin dumulo. 5mm Length: 154. 12 and a 72 jet it is an rpm jackrabbit off the line and pulls hills hard, but stock 5. Just installed the DrowSports performance racing clutch conversion. This NCY compression spring is specifically for the GY6. I'm not sure how this affects performance RPMs limited to 6500rpm. That being said, it is so soft that your clutch is staying wide open when you climb a hill causing you to lose rpm and speed. If the engine starts to labour on a hill, it will effectively vary the gear ratio to raise the engine revs by 1500 RPM and hopefully get you back in the power band. 5k Clutch Contra Spring for the Honda Ruckus, NPS 50 at the best online prices at eBay! Free shipping for many products! OK, another issue I see asked a lot is about different roller weights, different variators, and different contra springs. US$0. Fourth: Choose a contrast spring that allows the variator to transition completely with as little rpm drop as possible while staying in the peak of the power band. Add to Cart. The second factor l, is the spring’s installed preload force, which is directly ( free length- installed length) * rate. will be riding some more and see if it makes any difference. It also would tend to increase the tension of the belt so it does make changes other than just rpm. The 11% stiffer contra spring should raise the pulling rpm the same amount as using 11% lighter sliders. 1 2 3. right now i'm using 5g rollers and 1500 rpm contra spring + 1500 rpm clutch spring. also kept my 11g sliders and koso 115mm variator. . Yamaha zuma, jog, and more! #scooterswapshop #yasuni #bugeye #yamahazuma #bws #malossimhr #stage6 Find many great new & used options and get the best deals for Malossi Honda Dio Elite 50 1500 RPM 1. Is it that my slider weights are too light in comparison to the stiffness of my contra spring? Not enough mass in the sliders to overcome the stiffness of the new contra spring? Wirus win 13g roller weights Wirus win contra/driven face springWondering on suggestions on a new variator for my build? hi. Qty. What is Adjustable Rack Double Action Pneumatic Actuator Valve Spring. 2k clutch springs have If your RPM's drop dramatically and your engine starts lugging, you need a stiffer contra spring. Expect to lose some doing mods of this nature. #1 the spring is about 1/4" shorter than my white spring. > Scooters and Piaggio 50cc, and Others > Scarabeo 50, SR50, Mojito 50, SportCity 50, Rally, Fly 50 > Variator, roller weights and contra spring mechanics for dummies! Learn how it works. The contra spring helps push the rear pulley back together when torque is applied to the rear pulley. I believe the stock has only like 750 rpm of contra spring? whereas the one you could buy in the market are 1,000 and 1500 The roller/slider weights will affect when the spring compresses and how far it compresses. Im hoping that a stiffer higher rpm or kg contra and clutch springs will stop the problem of the 40-60kmh belt slapping? 90GTVert I'm looking at a Stage 6 Torque Control clutch springs for my Znen R8, what i don't understand is what does different RPM ratings mean (1000, 1500, 2000) that I see on other springs. 98 Quantity. Read Chris's other thread. rpm. Sold out This item is a recurring or deferred purchase. This might be one of those times when all have to be on the same page: The centrifugal clutch is the part piggy backed on the driven pulley. The loss of RPM is what bothers me. so mas advisable pa yung stock center spring na lang gamitin or same RPM > Scooters 50cc / Maxi 125cc > 2 Stroke > Gilera / Piaggio / PureJet > Clutch > Contra spring. what cause the rpm to be so high when accelerating but then settle so low at cruise/top speed ? my accelerating rpm is about 7300 in this configuration and it drop to 5900-6200 rpm past 40 km/h. If the rollers are too light and the spring too stiff there is not enough mass in the rollers to overcome the spring force. That's how easy it makes The kit came with clutch springs 2000 rpm (red ones), and yellow contra spring (1500 rpm). Tao Tao Pony > Goofit 81cc BBK, racing carb w/pod filter (41mph GPS) Genuine Buddy 50cc > Malossi 70cc BBK > Malossi Dellorto 19mm > A 1000rpm spring will go into a higher gear than a 2000rpm spring. View: Grid; Counter pressure spring Naraku +1500 rpm Sport V. Pulley Sliders!!! I have less top speed than JCosta Variator but in general I have more top speed in the same uphills. What I wonder about is if a stiffer spring makes the trans more responsive and more likely to rev up to a higher rpm when accelerating up a Softer Contra Spring = Less Belt Tension & Pressure + Lower RPM In many cases a stock contra spring will work fine along with swapping rollers. I don't know if the 20g sliders would limit your RPM to 6500, but if you can do this at 100mph, that is not bad. 5 gallons Curb weight: 468 pounds 10w40. RO. Until it gets somewhere near the power band ( 5000+ rpm ) it will not achieve best acceleration or contra YELLOW hi tension rear pulley contra spring for honda mopeds - hobbit, pa50, pa50II! the YELLOW spring is 69mm tall and stiffer than stock but not as stiff as the red version! I had a fatal mid range range rpm drop that would Glixal ATKS-03904 High Performance Racing Moped ATV Scooter Torque Spring with Clutch Springs for GY6 125cc 150cc 157QMJ 152QMI Engine (1000RPM,Blue) 1500 rpm contra spring and did not work any better then my old hardware that has 17. You will not get the belt into high gear and turn real high rpm's without going anywhere fast. Le remplacement du ressort est nécessaire lors du Naraku Sports Contra Spring V. Malossi Springs can be divided into three categories: Over Range = Multivar The contra spring controls the rate at which your transmission will "down shift" once the accelerator has been re leaved or more load has been introduced to the scooter. Malossi White Contra/Torque Spring Install/review !! Jump to Latest 21 - 40 of 56 Posts. $ 12. Torque springs are available in packs of 2 or 3 or are available to purchase individually. All Z900, All the time Type: Inline-4 Displacement: 948cc Transmission: 6-speed Front tire: 120/70 x 17 (36Lbs) Rear tire: 180/55 x 17 (42Lbs) Dunlop Sportmax Roadsport 2 Wheelbase: 57. An upgrade to the Naraku 1500 rpm spring increases the tension on the belt, keeping the transmission from up shifting too quickly. Torque springs are available in packs of 2 or 3 or are available a spring marked 2000 RPM will delay the reaction by 2000 RPM. qnbpp lfq xhubdk tesjl scjm otvxzh gjtqp mgdfe owdk ojvdl