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Dr. Pulley Racing HiT UNI-Clutch GY6150
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IN STOCK
PRODUCT OPTIONS
* denotes required field
Buggy Engine Model*
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Dr. Pulley HiT High Performance Racing Clutch for CVT Transmission on GY6 150cc Engines. Best Selling, Top-of-the-line Clutch
Includes an assortment of clutch springs to adjust the performance of the clutch. Use your existing Bell and Pulley
Fits all of the following 150cc engines:
Roketa, Baja, Blade, Carter, Dazon, JCL, Joyner, Kinroad, Tomberlin and more. Specify your Engine Model above
This Racing Clutch dramatically increase both power and speed by up to 40%
We recommend installing a High Performance Kevlar Belt along with this clutch.
Using a compression mechanism, the HiT clutch has a stronger grip force with next to no slippage. Riders should also see an increase in transmission efficiency and throttle response, and an improvement in hill climbing and overtaking scenarios. The strength of grip force provided by the HiT is effected by the contact angle between the push pin and the contacting surface of pillow. A pillow with a higher angle can provide a stronger grip force that reduces or even eliminates clutch slippage. When the rotating speed of the HiT clutch is high enough to make the centrifugal force of the clutch weight overcome the tension of the clutch spring, the clutch weight will centrifugally fly outward to touch the clutch bell to proceed with the initial slippery clutch-in. Friction resistance is produced between the clutch wear pad and the inner surface of the clutch bell during this stage. When the friction resistance is higher than the predetermined distortion strength of pillow spring, the pillow spring will be deformed or extended and the push pin will thrust into the pillow. This compresses the clutch weight so it grabs the clutch bell very tightly
Our customers ask us why is it essential to upgrade the clutch. The reason is because the stock clutches are simply not very good. In some Buggies you can see an increase of up to 40% in power just by changing the stock clutch. Our top dealers always keep performance clutches in stock and know that racers change these at least once a year or after two or three races depending on their use.
A clutch works using a steel drum driven from the rear pulley that spins round a set of clutch shoes (this padding comes in different non-asbestos materials and different sizes). These shoes are pivoted at one end and sprung at the other. Once spinning, the centrifugal force isn't strong enough to move the shoes against the springs, but as the RPMs increase, the shoes are thrown outwards towards the drum itself. By changing the clutch, you can increase the power and revs of the unit. You can also adjust the revs by changing the clutch springs. You can also purchase an adjustable clutch which allow you to change the setting depending on the type of use (racing vs. everyday street needs.)
General Clutch Information Video
Disclaimer: Performance Parts affect the reliability of your go kart and are designed for racing purposes only. Some machining and/or modifications may be necessary to install performance parts on your particular go kart. Manufacturers make modifications to their products from time to time and models may differ from year to year. The above specified models serve as a guideline only. Improper installation by an untrained mechanic can result in serious injury of death. Any damages, direct or incidental to a rider or property due to the installation of any performance parts are the responsibility of the purchaser. GokartsUSA makes no warranty as to performance parts, express or implied, including, but not limited to any implied warranties of merchantability or fitness for a particular purpose. Performance parts are not returnable for any reason. The logos and trademarks of each respective manufacturer belong to each manufacturer and they do not endorse or promote GokartsUSA in any way. GokartsUSA does not make any claim to represent or be endorsed by any of these manufacturers. All performance parts are not road legal! Closed circuit, off-road race, or exhibition use only!
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LEVEL 1 Turbo CVT Transmission Performance Upgrade for CN250 engines. Includes Turbo Kit Race Variator, (14) circular capsule rollers and Clutch Shorty main Torque Spring. Dramatic Increase in Take-Off, Power and Speed
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LEVEL 2 Adds DR PULLEY CLUTCH. CVT Transmission Performance Upgrade for CN250 engines. Includes Dr. Pulley Clutch, Race Variator, 19gram Sliders and Main Clutch TorqueSpring. Dramatic Increase in Take-Off, Power and Speed
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