Yamaha XS650 740cc Big Bore Kit with Wiseco 10.5:1 Pistons & LA Sleeves

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SKU BBPK-41750
SKU BBPK-41750
Displacement 740cc
Bore Size 80mm
Compression Ratio 10.5:1
Cylinder & Machining Notes Re-Sleeve
Stock Engine Bore & Stroke 75mm X 74mm
Piston Ring Part Number 3150XC
Wrist Pin Part Number S553
Piston Circlip Part Number CW20
Brand Niche Cycle Supply
$545.95

Universal Fit - review specifications carefully

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Product description

Take your Yamaha XS650 to the next level.  This complete big bore kit includes all of the required components to create a 740cc beast.

Kits Includes:

  • Forged Wiseco 80mm Pistons, Rings, 20mm Pins and Clips
  • LA Sleeves - 80mm
  • Head gasket and Base Gasket

Note:  Professional installation required.

Fitment information

Yamaha Models

  • Yamaha XS650 1975 - 1981
  • Yamaha XS650 Twin 1976
  • Yamaha XS650S Heritage 1982
  • Yamaha XS650S Heritage Special 1983
  • Yamaha XS650S Special 1978 - 1983
  • Yamaha XS650S2 Special II 1979
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