Description:

Condition: Aftermarket . Improved Casting Design with Larger Cylinder Sleeve. Replace For 12100-HN1-A70/12191-KCY-672/13011-KCY-670/90601-KA5-000/13101-KCY-670/13111-KCY-670/91301-428-003/12251-HN1-003/12100-KCY-670. The cylinder Bore and Stroke is 85 mm x 70 mm. The cylinder Displacement 397cc. The compression if 9.1:1. Fits For Honda Sportrax TRX400EX 1999-2008.Includes Moly Coated Performance Piston Kit, Gasket Kit, and More. Direct Fit Parts for Hassle-Free Installation, No Case Modifications Required. Package Included:1 x Cylinder; 1 x Piston; 1 x Piston Rings; 1 x Spark plug; 1 x Wristpin; 2 x Circlips; 1 x Head Gasket; 1 x Base Gasket; 2 x O-Rings.