Free Next Day Delivery on orders over £175+VAT T&C's Apply.

Trade B2B Accounts Only! Click HERE to apply.

PISTON KIT 76-79 YZ250 70.00, FORGED WOSSNER 8179DA 2K7-11637-01-00

SKU
56-W234+000.WO
Retail Price £144.47 £120.39 Trade Only: Please login or Click here to find a dealer
check 1 In stock

PRODUCT INFORMATION

More Information
Brand Wossner
Size 70mm
Product Type Pistons & Kits
Product Group Engine
Catalogue DIRT, ROAD
Piston Diameter 70.00

VEHICLE FITMENT

Make Model CC Year
YAMAHA DT 250 1974 - 1979
YAMAHA IT 250 1978 - 1980
YAMAHA MX 250 1973 - 1975
YAMAHA TY 250 1974 - 1978
YAMAHA YZ 250 1976 - 1979

DESCRIPTION

Wossner forged piston kit designed for Yamaha YZ250 (1976-1979), IT250 (1978-1980), TY250 (1974-1978), MC250 (1973-1975), and DT250 (1974-1979). Engineered for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany.

Features

  • Forged piston for increased strength and durability
  • Optimized heat transfer for efficient combustion chamber performance
  • Elliptical design for even thrust load distribution and reduced piston collapse
  • Manufactured in Germany

Specifications

  • Bore Size: 70.00mm
  • Actual Bore Diameter: 69.94mm
  • Displacement: 246 cm³
  • Stroke: 64.00mm
  • Clearance: 0.06mm
  • Wossner Compression Ratio: 2-stroke
  • OEM Compression Ratio: 2-stroke
  • Compression Height: 33.00mm
  • Lock Part Number: CW18
  • Pin Part Number: WP033
  • Ring Set Part Number: RSB7000 x 2

Cross-Reference OEM Part Numbers

  • 2K7-11637-01-00
  • 234M07000

Vehicle Fitments

  • Yamaha YZ250 (1976-1979)
  • Yamaha IT250 (1978-1980)
  • Yamaha TY250 (1974-1978)
  • Yamaha MC250 (1973-1975)
  • Yamaha DT250 (1974-1979)
Back to Top