- Description
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Details
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.
Additional Information
Specification Details 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 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
Questions & Answers
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With the 770 kit, can you still use the other stock components. Valves, springs, cam etc. ??
Yes, you can use all other stock components, but with a stock head, you will not get the full potential gains of the larger bore.
Answer by: Web Support (Admin) on May 28, 2021 8:36:00 AM
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- Fitment Information
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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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General : 727.342.5601 Toll Free : 1.888.792.0692
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