Carrillo M1121 High-Performance Forged Piston Kit 82mm +2mm Oversized Bore 13.5:1 Compression

The Carrillo M1121 is a high-performance forged piston kit engineered for Yamaha FZ07, MT07, and YZF-R7 motorcycles seeking increased displacement and power. This precision-engineered kit features an 82mm bore diameter (+2mm oversized) paired with a 68.6mm stroke, increasing engine displacement to 724cc from the stock 689cc configuration.

Key Features:

• Forged from high-strength 2618 aluminum alloy for maximum durability under extreme conditions
• 13.5:1 compression ratio for significant power gains
• Fully CNC machined using advanced 5-axis machining techniques
• Balanced to +/- 1 gram for smooth, vibration-free operation
• Double forced pin oilers for enhanced lubrication
• Designed using 3D modeling software and qualified through rigorous Finite Element Analysis
• Manufactured to the tightest tolerances in the industry with computerized electronic inspection
• Complete kit includes two pistons, ring sets, wrist pins, and clips
• Made in the USA

CP-Carrillo pistons represent the pinnacle of piston technology, utilizing proprietary tooling, dedicated cutters, and unconventional fixtures to ensure each piston meets the highest quality standards. The ring set included features 1.5mm-1.5mm-2.8mm configuration optimized for high-performance applications. Installation requires cylinder boring to 82mm and careful attention to ring end gap and piston-to-cylinder clearances per supplied instructions.