Piston Kit 11:1 Compression - 47.50mm Bore (+0.50mm) - For 85-08 Yamaha YFM80

For 85-08 Yamaha YFM80

• Bore - Actual: 47.50mm
• Bore - Oversize: 0.50mm
• Compression Ratio - Actual: 11:1
• Displacement: 81cc
• Note: Cylinder boring required
• Stroke: 45.60mm
• UPC: 193564126009

Includes The Following Components
• 1870XE - 47.50 mm Ring Set
• CW13 - 13mm Round Wire Locks - Set of Two
• Ring - Set
• S592 - PistonPin 13mm x 1.535" NonChromed SW

• All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life
• Pistons can be installed in any of today's cylinder bore compositions (cast iron, chrome, nikasil and boron composite) with confidence
• Wiseco's state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today's market place
• All kits come with pistons, rings and circlips