OS OS-1A100 – OS Speed R2102 1/8 On-Road Racing Engine

This is the O.S SPEED R2102 Engine with new features and high quality.

• Displacement:3.49cc
• Bore:16.08mm
• Stroke:17.2mm
• Practical r.p.m.Range:4,000-45,000r.p.m.
• Output:2.8ps/33,000r.p.m.(2.76hp/33,000r.p.m.)
• Weight:340g

Features:

• Rear ball bearing is ceramic. It was steel in R2101.
• Cooling head is 3mm lower for low-gravity.
• An extra inner head is included as a standard accessory, which secures more
  torque in low-mid range.
• You can make a choice of inner head depending on the race track.

Included:

• Standard attached plug T-RP7
• Exhaust seal ring
• Taper collet
• R2102 Inner head