Pro-Lite Piston Kit 68.50mm +0.50 Bore - For 88-91 Yamaha YZ250

For 88-91 Yamaha YZ250

• Bore - Oversize: +0.50 mm
• Bore Size: 68.50 mm
• Compression Ratio: Stock
• Cylinder Bore Diameter: 68.50 mm
• Engine Type: 2-Stroke
• Items Included: Piston Rings,Wrist Pin
• Piston Diameter: 68.45 mm
• Piston Material: 4032 Aluminum Alloy,Forged
• Type: Piston
• UPC: 193564135063

• All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
• Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today's cylinder bore compositions
• 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.