Piston Kit. .040 oversized. Fits many Yamaha 400cc ATVs

Part #: NA-40006-4

List Price: $79.95

Our Price: $64.99
All Namura Pistons have molybedenium/teflon skirt coatings for the least possible resistance and extended life as well as anodized domes for superior heat resistance. Complete with piston, ring(s), wrist pin and circlips.

.040 oversized

Application: 93-99 Yamaha YFM400 FW Kodiak

00-04 Yamaha Big Bear 400