Wiseco Forged Piston kitRef : WI00314A / 1095544001

WISECO Forged Piston – Manufacturer Ref. W4419M08300

Forged piston for 4-stroke engines, delivered as a complete kit for engine refurbishment on quads. Designed and machined according to WISECO standards, this piston is aimed at DIY enthusiasts and tuners looking for a robust and ready-to-install replacement part.

Kit Contents:

• Piston #304382
• Ring Set #3268XC
• Piston Pin #S376 (with coating)
• CirClip #CW19

Technical Specifications:

• Bore Diameter: 83.00 mm
• Piston Bore: 82.95 mm
• Actual Compression Ratio: 10.25:1
• Material: 2618 aluminum alloy
• Piston Pin Coating: Yes
• Oversizing: STD (Letter A)
• Number of Rings: kit provided

Compatible with several Yamaha 350 models (e.g., YFM 350 Grizzly 2WD/4WD and YFM 350 Raptor 2WD). This part is intended for the quad world, for engine replacement or rebuild operations. Follow manufacturer recommendations for installation, timing, and break-in to ensure proper service.