Yamaha SR-Viper

4th Wheel Kit

   This Forth Wheel Kit adds the two outside wheels. Adds a ton of traction, evens out the load, takes strain off the upper idlers, keeps the track running straight to avoid derailing, and stops the uneven wear on the rear … More Info

Clutch Kits-SR Viper

SR Viper Torque Monster Clutch Kits. 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 Vipers at engagement, low, mid, throttle response, engine … More Info

Clutch Puller

This is a high quality hardened and gold zinc plated clutch puller that fits 1992-Present Yamaha Primary Clutches. This puller will not bend and pretzel up like others on the market.

Clutch Rebuilding and Tuning Service

Send us your clutches and we will evaluate there condition and give you a quote on a solid rebuild. Rebuild Includes: “Grunt Tool” disassembly, all bushing and worn parts replacement. Full assembly, tuning, a spin check in the lathe for … More Info

Do It Yourself Clutch Tuning Kit

This kit is for the Do It Yourself Clutch Tuner. Includes an assortment of calibrated and gram matched tuning rivets and a high quality gram scale. The gram scale on the left has been is service for over 8 years. … More Info

EZ-Off Belt Guard Bracket

This EZ-Off Clutch Guard Bracket was made to allow you easier access to the belt and clutches. The factory permanently rivets the clutch guard in place. This makes it almost impossible to replace a belt on the trail. Although this … More Info

Factory Muffler Cut / Gut Stealth Modification

We now offer a stealth muffler mod. This is for those of you who must retain the appearance and sound levels of your factory exhaust. The factory exhaust has a flat sound and poor flow characteristics. The red oxidization in … More Info

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

Fox Float Eyelet End Bushings

These high quality Fox Float Eyelet End Bushings replace the wore out or crumbling factory originals. Don’t neglect to inspect your bushing. Riding on bad bushings leads to upper and lower shock eyelet damage. Includes 8 bushings, enough to do … More Info

Gear and Chain Combo

Let us hand pick you the correct gear ratio so that your SR Viper will perform at it’s best for your riding style. Includes Klotz Black Formula Graphite Lube. You should inspect your primary sheaves and look for witness marks … 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 tuning rivets in the … 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

Hyfax – Slide Saver Wheel Kits

True Power Gains! Race Proven Hardware Prevents… Friction! These wheel kits were designed by SBM in a larger outside diameter profile to greatly reduce friction and wear that is apparent in all Yamaha models. With these kits installed you will … More Info

Performance Shock Services

Send us your stock Fox Float, Zero Pro or QS3 shocks and we will rebuild and re-valve them to you. We offer custom set ups based on the model, rider weight and riding style. When servicing we add a easy … More Info

Primary Clutch Overdrive Machining

Before After Send us your “whole” primary clutch and we will modify it to give you an additional 4-5 mph on your top end without effecting your low end and mid-range performance whatsoever. Over drive machining does two things. First … More Info