Upgrade your Compatible with Yamaha Kodiak 400 or Big Bear with this complete cylinder rebuild kit. This comprehensive package includes everything needed for a full top-end rebuild: cylinder, piston, ring set, wrist pin, circlip, and all necessary gaskets. The 84.5mm bore cylinder kit is precision-engineered to restore power and compression to your Compatible with ATV engine. Compatible with Kodiak 400 models from 1993-1999 and Big Bear models from 2000-2012, this kit provides a direct replacement for worn engine components. The kit features a durable construction and includes perfectly matched components for optimal engine performance. Installation requires mechanical knowledge and proper tools to ensure correct fitment. Each component is manufactured to precise specifications for reliable operation and long service life. Perfect for rebuilding a worn engine or repairing damage from overheating or mechanical issues.