Yamaha PW50 Top End Rebuild Kit - Wiseco

Wiseco Standard Complete Piston Kit 40mm – Yamaha PW50

Fits (quick view):

• PW50 (All Year Models)

If your PW50 is down on compression, hard to start, or just feeling tired, a fresh top end is usually the fix. This Wiseco 40mm Standard Complete Piston Kit is a proper rebuild solution, not just a basic piston swap.

Designed as a direct replacement for the OEM bore, this kit includes everything you need to refresh the top end and get the engine running crisp and reliable again.

Wiseco pistons are known for their strength and consistency, making them a solid choice whether you’re doing a routine rebuild or bringing an older PW50 back to life.

Kit includes:

• 40mm Standard Wiseco Piston

• Piston Rings

• Wrist Pin & Clips

• Top End Gasket Kit

• Top End Bearing

Ideal for:

• Low compression engines

• Hard starting PW50s

• Smoky or worn top ends

• Full engine refresh or rebuild

Full fitment list:

• PW50 (All Year Models)