3130PS, PISTON KIT, PORT & STBD, STANDARD, 2.638”/Std.
Brand
• Wiseco Performance Products
Description
• Matched & Balanced Replacement Outboard Pistons
Fitment -
Yamaha 40HP, Loop charge, 84-08, 3 Cyl....

6H4-11631-00-96 - Piston Ring set STD

Does not include piston rings

Fits:

Yamaha

All 40 and 50hp 2-stroke 3 ring application's (typically upto 1989)