- Manufacturer: Wiseco
Wiseco Piston Kit - Standard 78.00mm - 13.9:1 Compression
- Forged from high-silicon aluminum alloy for maximum strength and dependability.
- Innovative forging design and piston skirt provide maximum horsepower and torque.
- Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).
- Oversize pistons require cylinder sleeving.
- Displacement: 250cc
- Bore - Standard: 78.00mm
- Bore - Actual: 78.00mm
- Bore - Oversize: STD
- Stroke: 52.30mm
- Cylinders: 1
- Compression Ratio - Actual: 13.9:1
- Skirt Coating: ArmorGlide
- 7800YB - 78.00 mm Ring Set .9mm X 1.5mm
- S677 - PistonPin 16 x 40mm NonChromed TW
- W6883 - Round Wire Retainer 16mm x .049" (pair)
Manufacturer Part Number: 40074M07800