1BP00
Displacement: 3.49cc / 0.213cu.in Output: 2.68ps / 2.64hp / 34,000r.p.m. Bore: 16.27mm / 0.641in. Stroke: 16.80mm / 0.661in. Practical r.p.m.Range : 4,000~42,000r.p.m. Weight: 352g / 12.42oz.