Description:

OS Speed B2104 21 Buggy engine
Displacement:3.49cc / 0.213 cu.in.
Bore:16.27mm / 0.641 in.
Stroke:16.80mm / 0.661 in.
Output:2.68 ps / 2.64 hp / 34,000 r.p.m.
practical rpm range: 4,000-42,000 r.p.m. weight:352g / 12.42 oz.
Standard accessories
Glow plug T-P3 ?Reducer φ6??φ6.5?? Exhaust seal ring  
Dust cap set 12-30(φ3?φ16?φ18)