CP Pistons 13.5:1 Piston Kit for 06–20 Yamaha R6 – M1076-050

SKU: M1076-050. The CP Pistons high-performance piston kit is designed for 2006–2020 Yamaha R6 engines built for aggressive street, track, or race use. This kit features a 13.5:1 compression ratio and an oversized 69mm bore (+2mm) paired with a 42.5mm stroke, increasing displacement to 635cc for improved power and throttle response. Precision-forged from premium aluminum alloy and CNC-machined for exact tolerances, these pistons deliver excellent strength, reduced friction, and reliable ring seal at high RPM. Engineered for demanding motorcycle performance applications, this CP Pistons kit provides race-proven durability and consistent results.