Displacement： 3.49cc / 0.213 cu.in.
Bore: 16.08mm/0.633in.
Stroke: 17.20mm/0.677in.
Output 2.8ps/2.76hp/35,000r.p.m
Practical r.p.m.Range: 4,000-45,000 r.p.m.
Weight: 340g / 11.99oz