Wiseco Forged Piston kitRef : WI00339A / 1095612003

WISECO Forged Piston – Ø 85.50 mm (oversize +1.00)

Designed for Yamaha 450cc quads (2009 models listed below), this WISECO forged piston provides a robust and precise replacement part. Machined from aluminum, it meets the oversize specifications of +1.00 mm (letter 100) for bored cylinders. Standard compression piston, suitable for oversize installations for engine restoration or preparation.

• Manufacturer Reference: W4939M08550
• Brand: WISECO
• Diameter: Ø 85.50 mm
• Oversize: +1.00 mm (letter 100)
• Material: Forged Aluminum
• Compression: Standard
• Category: Piston – Universal Quad

Main compatibilities: YAMAHA YFM 450 WOLVERINE 4WD (2009), YAMAHA YFM 450 GRIZZLY CAMO 4WD (2009), YAMAHA YFM 450 GRIZZLY 4WD (2009). Before installation, check the condition of the cylinder, rings, and connecting rod, as well as the piston-cylinder clearance recommended by the manufacturer. Quality part intended for riders and builders looking for a replacement solution that adheres to factory specifications for bored cylinders.