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

Gearing Kits

Are you looking for low end or more top speed? Give us a call and we can set you up with any gearing combination. Gearing kits come with Klotz Black Formula Graphite Lube. Extends Chain and Sprocket Life. Less Drag… … 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.  The outer roller shells are Rockwell 70 hardened material and are slightly wider than the factory rollers.  This … More Info

OEM Drive Belts

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

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.

RS Vector Torque Monster Clutch Kits

Low engagement doesn’t mean low power anymore! These clutch kits are tailored per customer (no cookie cutter set-ups) to take the guess work out of the picture. Designed by SBM to improve the RS at engagement, low, mid, throttle response, … More Info

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)