Clutch and Drive

Anti-Ratchet Drive Wheels

Are you frying out your OEM drives? These drive wheels will stop the problem and allow you to run your track loose without skipping. The big gains are better acceleration, less rolling resistance, less rotating mass and increased reliability. Send … More Info

Clutch Puller

This quality clutch puller fits 1992-Present Yamaha Primary Clutches.

Fast Trail Stud & Runner Combo Kits

We have done the R&D and found that the Woody’s 5/16″ mega bite 60 degree carbide studs and backers rock. Couple that with a set of 6″ 60 degree carbide runners and you will have full control. Base kit includes … More Info

Heavy Primary Clutch Tuning Rivets

Schmidt Bros Motorsports’ exclusive, high performance, heavy tuning rivets that are cast right here, in our shop. Add weight in the meat of the power for increased power levels, whether naturally aspirated or boosted. Yamaha makes a range of tuning … More Info

High Performance Replacement Primary Clutch Rollers

Replacement 14.7mm and 15.7mm primary clutch rollers. These exclusive SBM rollers are the same ones that are used in our clutch kits. Our internal Rexnord bushings are tougher than the plastic OEM Duralon bushings and made for extreme use. Our … More Info

OEM Drive Belts

There’s nothing like the reliability and cost of OEM drive belts. Starting At: $69.99

Phazer Gearing – Up or Down?

The MTN comes with a 17 tooth top gear, the FX & RTX has an 18 tooth and the GT’s received a 20 tooth from the factory. Your chain case will accommodate a 17-20 top gear without buying a new … More Info

Primary Clutch Overdrive Machining

Send us your primary clutch and we will modify it to give you an additional 4-5mph on top end with out sacrificing low end and mid-range performance. More Info

Quiet Clutch Shim Kit

These specialty anti-rattle roller and flyweight shims greatly reduce unwanted noise & wear in the primary clutch. Noise will be decreased by 75% and wear to the clutch spider is all but eliminated.

Secondary Helix Overdrive Machining

Send us any factory or aftermarket secondary helix and we will machine it to give you an additional 5mph on the top end without effecting your low end and mid-range performance whatsoever. Parts Shipping Form (Opens in a new window)

Yamaha Phazer Clutch Kits

These performance clutch kits were developed by Schmidt Bros Motorsports to improve the Phazers hole shot, midrange pull and top end speed. Throttle response, back shift, and mileage are also greatly improved. From the factory these sleds tend to over-rev … More Info