Wiseco CK240 Yamaha FZ-07 Top End Kit 80mm Bore 12.5:1 Compression Ratio

The Wiseco CK240 is a complete top end kit engineered for the Yamaha FZ-07, delivering everything needed to overbore or rebuild the top end of your engine. Featuring a 12.5:1 compression ratio and an 80.00mm bore diameter, this kit is designed to maximize power output and engine longevity for performance-minded riders.

Key Features:

• Forged 4-stroke pistons engineered and machined in the USA (Mentor, OH) to exacting tolerances for superior strength and durability
• ArmorGlide skirt coating on each piston reduces friction and wear for improved service life
• 12.5:1 high compression ratio over the stock configuration for increased power and throttle response
• 80.00mm bore diameter compatible with standard overbore specifications
• Dedicated forging design optimizes the strength-to-weight ratio for each specific engine application
• Improved tensile strength of forged material versus cast pistons for enhanced reliability under high-stress conditions

Kit Includes:

• 2x Forged pistons with ArmorGlide skirt coating
• Piston rings (per piston)
• Wrist pins
• Circlips
• Top end gasket set

Wiseco's CK240 top end kit is a proven performance upgrade for the Yamaha FZ-07, offering race-proven forged piston technology in a comprehensive rebuild package. Compatible with the Yamaha FZ-07, MT-07, Tracer 700, XSR700, and Ténéré 700 platforms sharing the CP2 engine architecture.