40134M08000 Wiseco Std Piston Kit for Yamaha FZ-07 2015-2018 80.00 mm

Wiseco Std Piston Kit for Yamaha FZ-07

This Wiseco Std Piston Kit is a direct-fit engine rebuild component for the Yamaha FZ-07, referencing OEM cross numbers 40134M08000 with an 80.00 mm bore and 12.5:1 compression ratio to restore factory-class performance.

Overview

This Wiseco Std Piston Kit is engineered for the Yamaha FZ-07 2015-2018 models, delivering stock-bore replacement performance with a forged construction that stands up to high-compression demands. The 80.00 mm piston and 12.5:1 compression ratio make this kit an excellent choice for riders performing a top-end refresh or rebuild. Each kit is crafted for riders who demand reliable, repeatable engine performance from their FZ-07.

Built For Performance

• Forged aluminum construction for superior strength compared to cast pistons
• 80.00 mm standard bore size matches the factory cylinder for a drop-in fit
• 12.5:1 compression ratio delivers strong throttle response and power output
• Precision-machined ring grooves ensure consistent sealing and reduced blow-by
• OEM cross-reference 40134M08000 confirms direct replacement compatibility
• Kit includes piston, rings, pin, and clips for a complete top-end install

Fits These Machines

• for Yamaha FZ-07 2015
• for Yamaha FZ-07 2016
• for Yamaha FZ-07 2017
• for Yamaha FZ-07 2018

On-The-Job Use

• Top-end rebuilds on the Yamaha FZ-07 parallel-twin engine
• Restoring compression on high-mileage FZ-07 motorcycles
• Performance refresh for track or street riders
• Preventive maintenance before a long riding season

Specs At A Glance

Good To Know

Q: Does this piston kit require any machining to install? A: No, this is a standard bore kit designed as a direct replacement for the OEM piston in the Yamaha FZ-07. It installs with factory-spec clearances and does not require boring or honing beyond normal cylinder prep.

Q: What is included in the Wiseco Std Piston Kit? A: The kit typically includes the forged piston, piston rings, wrist pin, and circlips for a complete top-end assembly. Always verify contents against the part number before installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.