Yamaha R3/MT-03 Slipper Clutch 2015/Current

Description

Spears Racing New Yamaha R3 Slipper Clutch is computer-aided design/computer-aided manufacturing billet Slipper Clutch and is produced from EN AW 7075 aerospace aluminum alloy which has excellent mechanical properties, exhibits good ductility, high strength, toughness and good resistance to fatigue. Each unit is hard anodized which is Type III which is done under more exacting process conditions resulting in a harder, denser, thicker, and more abrasion resistant coating for increase durability and longevity.

Spears Racing “Wurx” Friction Plates

Spears Racing has been on the leading edge of making new products for the little commuter style bikes for decades, most of these products come from the motorcycle being used for something other than what it was intended to be use for…RACING!! This is why we have brought the “Wurx” Spears Racing Yamaha YZFR-3 frictions plates. This kit consist of the best Japanese made Frictions Plates (NON OEM) by the worlds leader in manufacturing of racing clutch friction.

These Yamaha YZFR-3 Racing Clutch kit friction plates come to you the end user after decades of research and development both on and off the race track, constantly striving to offer the best possible friction material for your motorcycle . This Japanese manufacturer racing clutch kit has a 20% increased clutch surface area which mean more surface area +less wear, less slippage and better high performance durability.

The clutch plate cores are  CNC machined from 6061-T aluminum, allowing the drive tab width to be increased for better wear and  minimal impact on clutch baskets.  (125 gms) These clutch plates are made in Japan

Why do you need a slipper clutch?

The reason is simple – the slipper clutch reduces rear wheel chatter on downshifting, allowing better chassis stability under braking and corner entry thus reducing the chances of crashing. This designed will allow the rider to reduce lap times as a result of better grip and more confidence. One of the greatest features of this slipper is reducing over-torquing of the engine and will assist the engine by shifting incorrect gear is nearly impossible.
Slipper Clutch Design will prevent damage to the engine and gearbox by reducing the mechanical stress caused by the back-torque of the engine and reducing the chance of over-revving on down shifts.
Spears Racing’s slipper clutch reduces sudden forces on the inside of the transmission and will reduce wear and tear on the transmission.

Positives of a Slipper Clutch on your Bike:

It can prevent disastrous rear wheel lock up in case of engine seizure or transmission failure.
It also reduces work of suspension by absorbing engine braking force hence less bumpy ride while cornering.
Provides better clutch feel and smoother action
The rider does not need to concentrate on clutch operation which allows him to concentrate on other things such as body posture, braking etc while cornering.
Greatly reduces stress on your chain, increasing its life
Suitable for Racing, Track, and Street riding
Uses original friction plates, drive plates, and basket (Some kits replace the OEM basket with a billet basket).

Yamaha R3 Slipper Clutch Kit consist of:

1 pc. Spears Racing Slipper Drum
1 pc. pressure plate
1 pcs. Washer 18-35
4 pcs. spring Tops set
4 pcs. spring Tops set for more preload ( more engine back torque )
4 pcs. bolt M5
4 pcs SP20-320 Spring kit

Clutch Cover Gasket