PROX needle roller bearing

PROX offers this small-end needle bearing. On 2-stroke engines, the piston pin turns in the small end of the rod on a needle bearing.

Why replace it?

The benefits:

• To be replaced every time the piston is.
• Remove small-end play.

Why choose PROX?

ProX uses Koyo or NTN bearings, largely made in Japan in OEM factories, with the original internal clearance (C3 / C4).

When should you replace this part?

Harder starting, loss of power, blue smoke, oil consumption or a knock when cold: these are the signs of a tired top end.

No manufacturer hour figure for this model. Cross-Mania guideline: compression check every 30 h in hard use and every 60 h for leisure.

Specifications and fitting tips

Available in several sizes.

Cross-Mania tip: Lubricate it with engine oil when fitting and inspect the small end: if it is marked or blued, the rod must be replaced.

Compatibility

Universal part: check the dimensions given before ordering.