PROX Complete Clutch Plate Kit for YAMAHA YZ 250 1988-1990

On YAMAHA YZ 250 from 1988 to 1990, the PROX 16.CPS22188 complete clutch plate kit fits in place of the original part. A clutch that slips or drags is fixed by replacing the whole plate pack. This complete kit saves you from mixing worn plates with new ones.

Specifications

• Brand: PROX
• Manufacturer part number: 16.CPS22188
• Engine: 2-stroke

When to replace it?

• Slipping in the higher gears, burning smell.
• Clutch that drags or judders, neutral hard to find.
• Friction plates below the minimum thickness, steel plates blued or warped.

As soon as the friction plates reach the minimum thickness given in the manual or the clutch starts to slip.

Fitting tips

1. Soak the friction plates in gearbox oil before fitting them.
2. Check the basket and the inner hub: deep notches stop the clutch from working properly.
3. Reassemble in the original order and tighten the spring bolts in a criss-cross pattern to the manufacturer's torque.
4. Close up with a new clutch cover gasket.

Why PROX?

ProX Racing Parts has been supplying engine and clutch parts to motocross riders since 1975, from its headquarters near Amsterdam. According to its catalogue, most of its parts are made in Japan, by manufacturers that also produce parts for the Japanese motorcycle makers.

Spare parts and items to plan

• Clutch springs : HINSON · BIHR
• Clutch cover gasket : BOYESEN · ATHENA
• Gearbox oil : LIQUI MOLY 10W30 1 L · LIQUI MOLY 1 L

Frequently asked questions

Are the springs included?
No: check their free length and replace the clutch springs if they're below spec.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
YAMAHA YZ 250 1990
YAMAHA YZ 250 1989
YAMAHA YZ 250 1988