Specification

Stroke volume: 3.49 cc / 0.213 cu.in.
Bore: 16.4 mm / 0.646 in.
Stroke: 16.55 mm / 0.652 in.
Output 2.65 ps / 2.61 hp / 34,000 r.p.m.
Practical rotation speed: 4,000 - 42,000 rpm.
Weight: 353 g / 12.45 oz

Includes

• O.S. SPEED B21 ADAM DRAKE EDITION
• Instruction Manual (Japanese & English) [Download]