Thanks all for your help. Scooter Rollers how they work and how to set them up ... Variator and Drive Belts Variator Weights buy at a good ... 1986 Yamaha XC125 Riva - Variator Weights and CVT issues How to Measure Scooter Roller Weight | eHow UK Determine the dimensions of the roller weights using a ruler or measuring tape and a scale. Scooter Variator Sliding Weights | 20x15 Scooterworks USA Once the angle plate is off and no longer holding the weights in place, it should be simple to slip them off of their posts. In other words, alternate the rollers! 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. These 18x14 variator rollers fit GY6 125cc 150cc and 170cc. Traditionally, gear ratio is changed by the up-and-down rolling movement of the roller weights in the ramp of the Movable Drive Pulley (MDF). This will only help give you a smoother - more constant acceleration. I drew these pictures real quick, and they are not to scale, but they should work and give you a good idea. If your looking for a detailed "Step by Step" video(Including a few tips) on how to replace the variator/rollers on your GY6 scooter, then look no further! Genuine. I'm assuming the center hole is suppose to be out as it weighs approx. There are varying opinions about roller weights (rollers) and sliding weights (sliders). They can do this in a few ways, such as changing the angle of the variator face, changing the length of the spacer, changing the shape of the inside of the basket, the size of the rollers, the size and angle of the backing plate, the weight of the rollers, ect. Variator, roller weights and contra spring mechanics for ... The variator is always used in conjunction with a "Outer Front Pulley Half" this is the fan looking thing that is at the front of the pulley system, and it has a smooth rear face. The Dr. Variator rollers come in a variety of weights. Zuma Variator and Clutch Variator Tuning | Moped Wiki — Moped Army If the variator takes 6 rollers you can mix 3 x 10g rollers with 3 x 12g rollers to give an effective roller weight of 11g, but you MUST ALTERMATE the weights around the variator to it stays in balance. If your roller weights are giving you good acceleration, and a good top end, but when you approach a small hill the scooter slows drastically, this may be caused by having too light of a contra spring. So I am going to attempt to put it out in simple terms. 6 = 6.9gr. It is highly recommended to change the slide pieces to coincide with the rollers. Variator calibration To optimize engine's performance, select rollers that in operation, maintain the engine at the highest power regime. The spring pulley keeps the belt under tension with requiring the two pulleys to move in relation to one another, as the French pulleys do. Now the innovative Dr. A belt stretches between the engine and the rear wheel , where the clutch and spring pulley are located. I have ordered new weights as I've read here this is another example of what to expect from Chinese Scooters. ! I have a question about CVT tuning on a 2013 Yamaha Vino 50cc liquid cooled, fuel injected 4- stroke. When upgrading to a more powerful engine, it is usually recommended to replace the variator rollers. Due to the rotation, the weight of the rollers becomes a centrifugal force; the higher the rollers weight, the lower the gear change time, and vice-versa. The original rollers measure 20x15 mm and have a weight of 12.25 gram each. Heavier roller weights will mean slower take off speed, and more top end acceleration. This will only help give you a smoother - more constant acceleration. Actually the variator weights are what do most of the work because as they force the variator pulley to close up it pulls on the belt which opens the rear pulley. Set of 6 Malossi HTRoll Variator Roller Weights 16x13 CALIBRATED ROLLERS WITH HIGH PRECISION for original speed variators and Multivar. The Polini Variator is one of the most popular upgrades on a stock Honda Ruckus and Honda Metropolitan. 50CC PERFORMANCE VARIATOR. Pulley Roller Weights, which promises a long life. OK, another issue I see asked a lot is about different roller weights, different variators, and different contra springs. The truth of the matter is, A new variator, spring, and weights WILL NOT increase your vehicles over all power!! So the little green scooter is starting to show its age. The contra spring helps push the rear pully back together when torque is applied to the rear pully. The main rule for tuning variators is: the lighter the roller the more rpms are needed to push the rolls outwards through centrifugal motion to set the gear change in motion. 18X14 mm roller set for Buddy 125, Blur, and many other scooters. This allows for smoother operation and enhanced durability when compared to an original equipment variator. In the case of putting the weight rollers in wrong direction, problems . Please select weight from drop-down menu. These sliding rollers perform better than standard round weights by allowing the variator to open farther for higher top speeds, and last longer with less performance material loss. By diminishing the rollers weight the engine s RPM . I've noticed that although my acceleration has been steady, the top speed of my scoot has decreased drastically. 18 grams. This chart will continue to be updated as more information becomes available. Variator Roller Weights for 50cc 4-Stroke 139QMB Scooters. HTRolls are made with CPT with a specific formula and their weight is marked on one side. See how to tear things down and put them back together in a Honda Ruckus. Chinese complete variator roller weight kit for the CVT fully automatic 125cc and 150cc engines on several makes and models of scooters, mopeds, go karts, and some ATVs. Scooterpartsco.com Malossi 16x13 Roller Weights [669823] - Make Weight Selection in Pulldown Menu Below. The truth of the matter is, A new variator, spring, and weights WILL NOT increase your vehicles over all power!! Roller Kit details: Set of 6. The contra spring fights against the force of the variator and returns the CVT to "low" gear when you come to a stop hence the name "contra". Roller Weights - Will Change your RPMS by 500-600 for every gram up or down. I. Directions for Use: Combine 2 sets of rollers in an alternating pattern, for example: 3 x 5g & 3 x 6g rollers . How To: Repair a dryer by replacing the support rollers How To: Change the water pump, timing and balance shaft belts on a Porsche 944 Turbo Scooterpartsco.com Malossi 20x15 Roller Weights [6611534] - Make Selection Below. Buddy 50. HTRolls represent a technical spare part for the original one, in a complete series of Once I got past the trepidation of messing things up, I found that the whole process of pulling the variator, changing the CVT belt, and swapping out the DPS was relatively simple. Heavier weights Require Less RPMs to push the Belt up the Variator. Now the innovative Dr. Variator calibration To optimize engine's performance, select rollers that in operation, maintain the engine at the highest power regime. Remove the roller weights from the inside of the variator. Also weights play a major roll on making the Belt climb higher. Scooter Roller Weights Increase your scooter's performance with a scooter roller weight kit. Genuine KOSO brand. In this moped repair tutorial you will learn how to replace the variator, belt and roller weight in a Honda Ruckus scooter. After about 4,500 miles I would not go back to the original roller weights. Note: For most maintenance of the variator clutches, usually just blowing the dust out and cleaning and changing the roller weights will solve the majority of performance problems. Even though this is our collection of GY6 125cc and 150cc roller weights, we have variator rollers for other engines as . $79.99. Pulley Variator Slides are made of the same abrasion-resistant nylon as the Dr. Installation: 1. If not, SEVERE ENGINE DAMAGE WILL RESULT!!! The correct way to change roller weights in High detail. The only difference between the graphs is that each run up is done with different weight rollers- 3.5g (blue line), 5g (red) and 6.5g (green). Once you have the roller weights that work for you, +1gram and order the correct size Dr Pulley sliders. Heavier weights Require Less RPMs to push the Belt up the Variator. Subject: Re: Mixed Roller Weights in Variator Mon Aug 17, 2009 11:47 pm. . Stock Weight. Roller Weights - Will Change your RPMS by 500-600 for every gram up or down. Details. We recommend starting performance upgrades by changing the variator roller weights first.Heavier roller weights= A slower take off speed with more acceleration and a higher top speed. This roller weight kit includes 12 sets of 3 rollers for a total of 36 roller weights to adjust and fine-tune your variator. Lighter weights Require Higher RPMS to push the Belt up the Variator. 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. Answer (1 of 2): I have changed the weights (or variator rollers) on two scooters and both times I used Doppler weights. Scoot F.A.Q. I am running custom weight DP sliders in my Rat. HTRolls represent a technical spare part for the original one, in I drew these pictures real quick, and they are not to scale, but they should work and give you a good idea. OK, another issue I see asked a lot is about different roller weights, different variators, and different contra springs. I found that with DP sliders you can go a little heaver than stock weight rollers, all other things equal, & get better overall performance. The variator weights are available in many sizes for all common CVT models and of course from light to heavy. SO a lighter roller will need more RPM to engage the same setup CVT than a heavier roller. (Alternatively you can use an impact wrench if you have one) What weight of rollers or sliders should I use? I took the variator apart and 5 of the rollers are solid and one has the center hole out. These sliding rollers perform better than standard round weights by allowing the variator to open farther for higher top speeds, and last longer with less performance material loss. The variator weights that sit in the variator control gear ratio. Slack the belt by opening the CVT . Roller Weights Included: 6 = 5.6gr. Get Free Variator Roller Weights go to www.jandjpowersports.com Get a Free Scooter belt go to https://contacte279be.clickfunnels.com/sales-pageknymdph8.Chan. ! I drew these pictures real quick, and they are not to scale, but they should work and give you a good idea. Roller Weights - Will Change your RPMS by 500-600 for every gram up or down. Mar 9, 2009. 10 grams. They come in different weights for different characteristics; for Burgman 400s the size is 26 x 13 - 18, where that stands for . Pulley Sliding Roller Weights slide up-and-down the ramp to change the gear ratio. Should I use roller weights or sliders in the variator? +2003-2011 Honda Metropolitan. A heavier weight roller doesn't need as much rpm to move out a given distance than a lighter roller. The variator is driven off the engine crank with a roller weight actuated variable pulley. Heavier roller weights need lower rpms to start moving. Because of that flat side they don't rotate as the round rollers do. Each Malossi Roller is clearly marked with its weight. So I am going to attempt to put it out in simple terms. It's nearing 30 years old with ~35,000km on the road: a critical mileage where a lot of parts need to be attended to. It weighs 179 lbs and I weigh 190 lbs. So I am going to attempt to put it out in simple terms. Applications: +2003+ Honda Ruckus Zoomer. It is really rather simple. ;D or just do what he said > ltdhpp Please specify a valid Email Address. The truth of the matter is, A new variator, spring, and weights WILL NOT increase your vehicles over all power!! The key difference between the stock and performance variators is the angle on which the roller weights travel and the angle on the angle plate in the rear of the variator. I live in a flat area so my main goal is increasing top speed to about 45 . How to install the variator roller weights into the variator correctly. (Click pic to enlarge) If you look at point 'A' on each of the runs this shows the point at which the variator can no longer change the gearing (to keep the rpm constant) for each roller weight. Now as for the different weights for the rollers. When the weight rollers move towards the outside of the variator, the inside plate is forced together with the outer plate and this moves the drive belt towards the outside of the pulley. Heavier weights Require Less RPMs to push the Belt up the Variator. Thanks Mitch and Sonny!! Fits: Aprilia Scarebo 4T, Honda SH125/150 & PCX . These are thrown towards the outside edge of the variator by centrifugal force, as the rotation speed of the engine / variator increases. Pulley Sliding Roller Weights slide up-and-down the ramp to change the gear ratio. The problem that most frequently comes up is that we don't know . Each of these serve a separate purpose but 2 of them, roller weight and contrast spring tension must have a balance. The service manual recommends 25-30 grams of lithium grease in the variator. A major drive force inside this clever type of clutch is the roller weights that move inside the roller cage which directly determine how quickly the gear ratio moves from slow to fast during acceleration. Any flat spots indicate the need to replace them. You want a rotating torque on the sheave bolt and little to no force up or down. List Price: $19.99. Also weights play a major roll on making the Belt climb higher. I don't think there is any need to use any form of lubrication as it will become dirty with time and then it will perform the opposite effect to the one for which it was origin. 16 x 13. HTRolls are made with CPT with a specific formula and their weight is marked on one side. Glixal High Performance Racing Clutch Shoe for GY6 125cc 150cc 157QMJ 152QMI Engine Chinese Scooter Moped ATV Go-Kart. Out of stock. Before going any farther, take a look at a roller weight (left) and a slider weight . v. Q. I have never tried dr pulley so i cant tell you what weight to choose but it should be aprox the same weight as normal rollers. Sometime a variator weight has a flat side. 1986 Yamaha XC125 Riva - Variator Weights and CVT issues. The main role in tuning a scooter variomatic is weight. This is not a variator roller, but a variator slider weight. It would seem to me that mixing the weights would cause accelerated wear on the heavier weight since they'd be doing most of the work at a given rpm. The RPM's of the motor spin the variator, the total amount of weight in your rollers then get pushed out by the RPM of the motor. The answer is YES. robber57 wrote:Rollers have a width and a diameter and a weight, so the first 2 numbers of drpulley refer to the size of actual rollers for the engine and the 3th number is the weight. This will only help give you a smoother, more constant acceleration. TIPS: Lighter roller weights will increase RPM for any given road speed. 49ccScoot.Com Scoot F.A.Q. Malossi High Resistance Rollers are made of a special compound - CPT. Notify when back in stock. The key difference between the stock and performance variators is the angle on which the roller weights travel and the angle on the angle plate in the rear of the variator. Pulley sliders, are not round, rather they have a flat surface on one side that rests against the variator plate. Stock Scooter Roller Sizes & Weights. $7.99. #3. They can do this in a few ways, such as changing the angle of the variator face, changing the length of the spacer, changing the shape of the inside of the basket, the size of the rollers, the size and angle of the backing plate, the weight of the rollers, ect. This Variator kit Includes: -Set of 9 Weights (AKA Rollers) 20x12 9.2 Grams (for the GTS 250 or GT 200). It is really rather simple. To govern that RPM from start to finish with as little RPM variation as possible a combination of variator roller weight, clutch spring tension and contrast spring tension must be chosen. Malossi HTRoll Variator Roller Weights 20x15 Set of 6 CALIBRATED ROLLERS WITH HIGH PRECISION for original speed variators and Multivar. The whole process will take a couple hours for your first time. 3x 10g & 3x 11g rollers (alternating weights in variator) gives you 10.5g roller set. Some prefer rollers, some prefer sliders, and some find that one works better than the other in certain applications. By Newton's first law of motion, both weight rollers and variator have an inertia, weight rollers have a tendency to stay rest at the moment the variator starts to rotate, and therefore it's important to set the weight rollers in the correct direction. 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. Pilot Jet #48 (will soon change to #45) Malossi Variator w/ 6 gram rollers Leo Vince Exhaust ZX-r Malossi 70cc Big bore kit Dellorto 19mm carburetor Malossi Blue clutch spring (medium strength) Malossi White torque spring Top speed: 50mph So my take off from 0-4mph is slow, but after that it kicks like a mule and acceleration is better Sliding roller weights, like Dr. The stock rollers have green on the edges if that means anything. Rule of thumb: the lighter your roller sets, the more rpm's are needed to push . Works on any CVT driven scooter:Remember, Your roller weights are designed in the way for an importa. Performance Variator Roller Weights 9g GY6 150cc Scooter ATVs & Buggy's These Rollers fit most Chinese 4 stroke 125cc 150cc Scooters , ATV, Buggy's, Go Kart, Moped 152QMI, 157QMJ Engine.Package: 1 set 6pcsSize: 18x14 mm Weight: 9 gramsPlease check pictures and specifications for compatibilityLighter rollers weights 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. Model. Roller diameter: 18mm. 16mm x 13mm, 6.5 Grams. Pulley roller weights are the most advanced weights available. If your scooter ran well and you're only replacing the weights because of flat spots or other damage/wear, then the simple solution is to use the same weight that the current rollers are. We have them too! Please select weight from drop-down menu. Roller width: 14mm. ! This part is affixed to the engine output shaft, as the RPM . Changing the roller weights is one way to tune your scooter to how you like to ride, increasing acceleration, or top speed as required! Remember to push down with your left palm on the 90 degree bend and pull up with your right hand on the handle. You can mix weighs if you are careful. The slide pieces in the variator are equally as important as the rollers. A variator is composed of three main parts: A drive face, the backplate, the drive boss and rollers. Replacing your stock scooter roller weights is an easy, inexpensive way to improve the performance of your scooter and we offer the best products on the market - Prima brand standard roller weights and Dr. 7 Item (s) Sort By Position Name Price. If you change to a different variator, it will change all of that, so if you decide to do that, do it first, of course. Lighter weights Require Higher RPMS to push the Belt up the Variator. This is a KOSO 16 gram 18 x 14 mm roller weight set of 6 for GY6 110cc 125cc 150cc Scooter Variator Assembly.This part will fit most of the makes and models of Chinese Scooters and Mopeds with 125cc - 150cc 4-stroke GY6 QMJ/QMI157, QMJ/QMI152 engine. The rollers change their location on the variator ramps according to RPMs, the higher the RPMs the farther "out" the rollers travel, pushing the drivebelt farther out on the driving pulley and deeper into the driven pulley, only at a maintained constant speed do the rollers become somewhat stationary. It is really rather simple. This will be a tight sucker and breaker bar is recommended. Heavier weights will lower RPM for any given road speed. The weight rollers--PN 22123-KM1-316 (about $17)--should be inspected for wear. 297. Glixal ATKS-04018 18x14mm High Performance Racing Variator Roller Weights Set 152QMI 157QMJ GY6 125cc 150cc Scooter Moped ATV Go-Kart (10 gram) 4.5 out of 5 stars. Malossi High Resistance Rollers Variator Weights (20x12mm) Details. Also weights play a major roll on making the Belt climb higher. That said, to get the most out of the sliders it helps to notch & polish the variator ramps. Description: Great quality NCY Variator Roller Weight Set 18x14 for scooters using GY6 150 engine in scooters and go-carts. . The weights have several unique features such as their composite material containing nylon for . Variator calibration To optimize engine's performance, select rollers that in operation, maintain the engine at the highest power regime. Due to the rotation, the weight of the rollers becomes a centrifugal force; the higher the rollers weight, the lower the gear change time, and vice-versa. Lighter weights Require Higher RPMS to push the Belt up the Variator. Service limit width is .93 in. Due to the rotation, the weight of the rollers becomes a centrifugal force; the higher the rollers weight, the lower the gear change time, and vice-versa. Hoca Roller Weights size 16x13 for 50cc Honda Ruckus Metropolitan GET engines. Lower your stock weight (12-14) with 10s or 11s for a great performance upgrade for better take and just plain replacing worn-out stock weights. (hey it's lighter than the Zuma 50F!) The key difference between the stock and performance variators is the angle on which the roller weights travel and the angle on the angle plate in the rear of the variator. Now as for the different weights for the rollers. Performance Variator with 7 Gram Roller Weights. When it comes to adjusting your variator, there is no need to have tons of roller weights on hand for tuning. ! Fits:Most 150cc Chinese Made Scooter Variator Clutches including GY6 150cc. The weights are a totally different design than the OEM roller weights in your variator. If you have all the 10g weights on one side and all the 12g weights on the other, you will have problems. Remove the ramp plate and inspect and grease the weight rollers. As low as$26.99. I have a Vino 50cc stock. 7.5g/8.5g. Pulley slider sliding roller weights. The Polini Variator for Honda Ruckus or Metropolitan transmits power of the engine to the rear wheel while . Now as for the different weights for the rollers. 14 grams and the others weigh approx. as long as you run the variator in balance you can run up to 3 different weights at one time (2 of each) alternate if using 3 and 3 or use opposits if your using 4 and 2 or 2 2 and 2. The moveable variator half slides on a centering bushing that has a specially drilled lubrication point. Fits: 50cc 4-stroke QMB139 Engines. Sale Price: $14.99. OK, another issue I see asked a lot is about different roller weights, different variators, and different contra springs. Not to mention possible warping of the variactor since the weights wouldn't be at the same distance from the hub at a given . DANGER: weights must be put in a 120 deg pattern! $7.99. Weight Size. Traditionally, gear ratio is changed by the up-and-down rolling movement of the roller weights in the ramp of the Movable Drive Pulley (MDF). Burgman 400 K8, Two Brothers backrest extender, Termoscud Leg Cover, windshield extension (home made), Malossi Multivar 2000 variator kit, NEP throttle lock, Hot Grips, Küryakyn battery gauge, Bestem T-box 929, Vetter Hippo Hands, K&N air filter. By diminishing the rollers weight the engine s RPM . Oddometer: 2,360. The weights have several unique features such as their composite material containing nylon for better performance. Dr. The LEO VINCE Roller Weights gave a big improvement on the acceleration.Thanks so much to the 2 certified mechanics who helped me out. We stock 8 gram all the way up to 18 gram. Fine-Tune your variator said, to get the how to change variator roller weights out of the engine s RPM slide up-and-down the to! Your roller weights are designed in the variator rollers fit GY6 125cc 150cc and 170cc of 12.25 each. 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