**Built-To-Order. Please email and confirm delivery ETA before ordering**
The Menace85 SS Engine!
Upgrades:
- 52mm Bore x 40mm Stroke
- CNC Smolik Head
- Balanced Crank
Specifications:
- Displacement: 85cc
- Bore: 52mm
- Stroke: 40mm
- Cylinder Material: Aluminum Nikasil
- HP: 8-9 hp
- Torque: 5.5-6 ft-lbs
- Peak RPM: 10,500-11,500
- Top Speed: 55+ mph
- Oil Ratio: 32:1 Synthetic
Optional: Porting the cylinder for increased power and reliability. Cleaning up the ports, and adjusting port timing. Additional lead time.
30 Day Limited Engine Warranty
Important Notes
- All engines are shipped with large squish (1.0-1.4mm) to ensure safety when first tuning. You may adjust squish for increased power but be aware this will cause extra wear and tear on the bottom end. DO NOT go below 0.8mm squish.
- Recommend Spark Plug: NGK BR8HS
- Recommend oil: 32:1 Synthetic