The broken The belt comes in contact with the clutches which creates friction and friction equals heat. Primary spring for CVTech clutches. Concerned about your ATV Backfiring? The factories produce ATVs and their stock clutching or calibration has a very broad range of use, and in most cases this broad range fills the needs of the average rider. In the primary clutch, these components consist of the spring, the flyweight mass, and the flyweight ramp profile, while in the secondary we can tune the helix profile and the spring. Secondary clutch The secondary clutch is mounted to the input shaft of the transmission, transaxle, or the like. We have been servicing CVT clutches for Polaris, Can-Am, and Kawasaki. The belt is the link between the two clutches. The 4-stroke engine is more forgiving and it is possible for the do-it-yourself chap, to do this project, but there are special tools required.  It is recommended to have a shop do this work and it is recommended that you go with a complete tuning package that has all the parts; everything has been tested and the package is ready to install with intended results. My CFMOTO Cforce 600 started clanging at about 98 miles, still under warranty. Why are my clutches making lots of clattering noise? More precisely the CVT system on your ATV is a variable rate system. } With the sheaves opened up, you can roll the belt off of the rear pulley, then easily remove it from the front primary clutch. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. Polaris XPT Turbo CVT Clutch kit and power pucks install and test drive. The Secondary has what is called a roller, and it rides up and down on the ramp of the secondary clutch. More precisely the CVT system on your ATV is a variable rate system. Cost-efficient Designs. The following is a very general guide to help those unfamiliar with understanding some basic principles of the system. The primary has what is called buttons, these ride against towers that allow the sheave to open and close. } Its only job is to provide a surface area for the belt to ride up and down. Deformation of a ceramic device in the secondary pressure sensor results in a voltage change. With our 30-inch tires, 27 inches is stock, our RZR would be overgeared if left alone. When you give your machine throttle, that raises the rpm of the engine and causes the primary clutch to react. A new flyweight with a new curvature was designed specifically for this 800cc Outlander model. }. EPI Primary Clutch Rebuild Kit $139.00 – $158.00 $149.99 – $174.99 You save up to 10%. #tdi_113 .td-doubleSlider-2 .td-item3 { Once the belt is to the top, the engine starts to build RPM, as the belt is out of ratio. Next is the primary bearing. All Rights Reserved. Remember that CVT parts are to be kept DRY, NOT even a light spray of WD 40 is necessary; that will attract dirt. These cookies will be stored in your browser only with your consent. What the tool will do is keep the two from pushing or pulling away from each other before everything is snug. But opting out of some of these cookies may have an effect on your browsing experience. CVTech Trailbloc Performance Primary Clutch Pulley 7 Reviews Write a Review This clutch is calibrated for stock-sized tires. ATV Trail Rider Magazine is a periodical published by Raven Media INC dedicated to the sport of ATV and UTV off-roading. This needs to be in your model's peak powerband for best results. I don’t know what they did, but the noise was coming from around the clutch area. Basically, the primary clutch grabs or pinches the belt to make it turn, and the secondary clutch is like a transmission that shifts the gears automatically. STEP 3. Note: clicker 6 raises ramp angle to highest point and gives you the quickest engine response, while clicker 1 lowers ramp angle to the lowest point, giving you the lowest engine response. A spring is always chosen relative to the flyweight and the rest of the system. The proper clutch kit will keep the CVT clutch system happy, and once the proper kit is installed you will feel like you have a completely different machine. Snowmobilers have done a lot of clutch testing, while this procedure is more critical to 2-stroke motors. The secondary clutch is a lot like the primary clutch in how it operates but the main difference is that it does not have weights to open it but that it uses a Helix ramp for the rollers to ride on. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. It may seem like an unnecessary process, but if not done, the belt could ride crooked in the clutches, causing belt failure. II. To increase the Variable-Speed Drive life span, it is highly recommended that a visual inspection of the CVT Unit be carried out every 3,000 miles ( 5,000 km). Once the belt is shifted out, clutching or clutch kits cannot offer top speed increases. background: url(https://www.atvtrailrider.ca/wp-content/uploads/2017/04/image-060093_ATV_clutch_components_and_the_CVT-80x60.jpg) 0 0 no-repeat; Compare. Your original belt will be the longest-lasting belt that your machine will have because it is in contact with brand-new parts. With your engine and transmission mounts loose, you want to install the tool and start to tighten the mounts. If you want optimal performance out of your CVT clutches, then make sure that they stay in tip-top shape. The spring also plays a role in controlling the rate at which the CVT changes ratio, specifically how much engine rpm is required to upshift. It will cause the belt to slip and create heat. A primary clutch assembly for a continuously variable transmission is provided. background: url(https://www.atvtrailrider.ca/wp-content/uploads/2017/04/image-060091_ATV_clutch_components_and_the_CVT-80x60.jpg) 0 0 no-repeat; A wide variety of cvt clutch options are available to you, There are 915 suppliers who sells cvt clutch on Alibaba.com, mainly located in Asia. Selecting the right gear for what you are trying to ride helps the clutches. It is as simple as that, but to understand clearly how they operate, we will go further in-depth.
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