Features:
- Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders
- Nickel Silicon Carbide plated for long life
- Big bore cylinders do not require machine work (unless noted)
- Standard Bore 102 mm
- OE Part Number: Yamaha: 3B4-11311-00-00 & 3B4-11311-10-00
- Made in the U.S.A.
Technical Specifications:
- Compression Ratio (x:y): 9.2:1
- Cylinder Diameter (mm): 102.00
- Displacement (cc): 686.00
- SizeOverStandard: 0