Piston Kit Part Number:
MK1001139

Includes:
Piston, Piston Rings, Wristpin, Circlips (2), Needle Bearing, Head Gasket, Base Gasket, NGK Spark Plug

Direct Replacement For:
55X-11638-00-00, 55X-11636-00-00, 55X-11631-00-96, 55X-11181-00-00, 22F-11351-01-00

This Part is known to be Compatible with the following vehicles:

Yamaha Badger 80:
1985-2001
Yamaha Grizzly 80:
2005-2008
Yamaha Moto 4:
1986-1987
Yamaha Raptor 80:
2002-2008
Providing you with the same reliability that you’ve come to expect from factory parts at an incredible price. The Piston, Gaskets and Hardware are manufactured to the same size and standards as your originals. Installation is as easy as referencing your factory service manual which provides you with suggested Ring-Gaps, Cylinder-Piston Clearance, Torque settings as well as technique for preparation. This kit includes a standard-sized cast Piston and Gasket Kit, giving you even more performance out of your machine.