Set Piston Kompresi Tinggi Φ90mm SR400 810400 SHIFT UP

pecification: Recommended piston clearance: 0.050-0.055mm/compression ratio 10.8:1 [Description] High compression pistons machined from special forged round stock.The piston material / stress distribution is more even, so it has excellent durability.When this product is installed, the engine capacity becomes 427.5cc. [Kit Contents] 810400-PN: Φ90mm / HC piston 810400-RN: Φ90mm / Piston ring 810400-GA: Φ90.5mm / Head casket 810400-PC: 20 x 62 Piston Pin and Clip Set Caution *Boring process of the cylinder is required. APPLICABLE MODELS YAMAHA SR400 SKU: 20957539