Kawasaki Ninja EX400 Slipper Clutch Design 2018/Current
$169.99 – $1,069.98
Spears Racing’s slipper clutch reduces rear wheel chatter on downshifting, allowing better chassis stability under braking and entry to corners, reducing the chances of crashing and allowing the rider to reduce lap times as a result of better grip
Every Spears Racing Slipper Clutches arrive with the Proper Clutch Springs
Spears Racing New Kawasaki Ninja 400 Slipper Clutch Design 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.
This is a new designed that has been Tested, Raced at levels all over the world, running in several of the WorldSSP300 – WorldSBK, BSB and MotoAmerica race teams. This new design will allow less engine braking and will allow you to have more corner entry/mid corner speed.
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-torqueing 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).
Kawasaki Ninja 400 Slipper Clutch Kit consist of:
1 pc. Spears Racing Slipper Drum
1 pc. pressure plate
5 pcs. spring Tops set
5 pcs. spring Tops set for more preload ( more engine back torque )
5 pcs. bolt M5
5 pcs SP20-400 Slipper Clutch Spring
1 ea. Red Loctite
1 ea. Throw Out bearing for pressure Plate (2020 model only)