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WOSSNER

Piston Kit for 4 Stroke

Manufacturer Code8957DA
Product CodeCHM-WOSSNER-8957DA
  • Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
  • Lightweight piston with a tight piston wall clearance for a quieter running engine
  • Skirt coated for reduced friction and improved break in performance
  • Ring land treatment for improved ring seal and oil control
  • Double bridged forging design where noted
  • Kit includes piston, rings, wrist pin and pin locks


    • Double bridge forging. 3D crown. Two ring design. Kit Includes: • Piston #8957DA • Ring Set #RIK77.00D • Wrist Pin #WP070-SP • Retaining Clips #CW16

    Vehicle fitment

    Select your vehicle in the bar above to check if this part fits.

    This part is compatible with 3 motorcycle models.
    • YAMAHA WR 250 F2020–2021
    • YAMAHA YZ 250 F2019–2020
    • YAMAHA YZ 250 FX2020
    In stock
    4 in stock
    Delivery in 1-3 business days
    RON 1,135.44
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    Specificații

    Specificații

    ModelPremium Series
    StyleStandard Size A
    UnitsKit
    Bore Size77,00 mm
    Engine Type4-Stroke
    Piston Size76,96 mm
    Product NamePiston Kit
    Riding StyleOff-Road
    Stroke Length53,60 mm
    Research ValueFinalized
    Bore - OversizeStandard
    Piston MaterialAluminum Alloy| Forged
    Bore Size Metric77.00 mm
    Compression Ratio14,0:1
    Piston Size Metric76.96 mm
    Stroke Length Metric53.60 mm
    Bore - Oversize MetricStandard
    Compression Ratio Imperial14.0:1