Description

Yamaha FS1-E, FS1-E DX, FS1 (1972-78) 70cc BIG BORE KIT (MARKED F5B) Premium Range
Yamaha FS1E, FS1 Big Bore Kit 70cc (Premium Range)
Cylinder, Piston, Rings, Piston Pin, Circlips

This kit contains a 70cc big bore barrel (45mm) and piston complete with rings, gudgeon pin and circlips. Suits:

FS1E 1972-1977