Item fits:
Yamaha YZ250 2003~2021
Item includes:
Crankshaft x 1
Piston w/ RIK Rings Kit x 1
CrankShaft Main Bearing & Oil Seal Kit x 1
Complete Top & Bottom End Engine Gasket Kit x 1
Replace OE P/N:
Crankshaft: 5UP-11400-10-00
Piston Kit: 1P8-11631-00-A0
Feature:
★ World Class Needle Roller Bearing
★ Improved oil canal design for bettering lubrication
★ Direct Replacement Parts
★ A390 aluminum alloy
★ Hard Anodize on crown and side for ignition and combustion resistance
★ MoS2 Skirt coating reduce friction and improve wear
★ RIK Piston Ring: most well-know manufacturer in the industry
★ Cast piston has super-high silicone content for additional strength
★ Nachi Main Bearing Made In Japan
★ Best Taiwan Performance Oil Seal