Wiseco Pistons 40155M07700 High-Performance Piston Kit for Yamaha YZ250F

The Wiseco 40155M07700 is a high-performance piston kit designed specifically for 2016-2017 Yamaha YZ250F motorcycles, featuring a 14:1 compression ratio for increased power output. This premium piston kit is engineered to deliver maximum horsepower and torque gains for competitive motocross and off-road applications.

Key Features:

• Forged from high-silicon aluminum alloy for superior strength and heat resistance
• 14:1 compression ratio optimized for race-grade fuel and maximum performance
• Innovative forging design reduces weight while maintaining structural integrity
• Advanced piston skirt geometry minimizes friction and enhances power delivery
• Complete kit includes piston, rings, wrist pin, and circlips for hassle-free installation
• Precision-machined to OEM specifications for perfect fitment
• ArmorGlide skirt coating reduces friction and wear during break-in

Wiseco pistons are a trusted choice among professional riders and engine builders worldwide. The high-silicon aluminum alloy construction provides exceptional durability under extreme temperatures and pressures, while the precision-forged design ensures consistent performance lap after lap. This kit is designed for standard bore applications; oversize pistons are available separately and require cylinder sleeving.