O.S. SPEED R21 SHIMO EDITION 3 COMBO EFRA 2196 + MR05

Spec
Displacement： 3.49 cc / 0.213cu.in.
Bore: 16.08mm / 0.633 in.
Stroke: 17.20mm / 0.677 in.
Output :2.80 ps / 2.76 hp / 35,000 r.p.m.
practical rpm range: 4,000-45,000 r.p.m.
Engine Weight:347g / 12.24 oz.

Included Accessories
Glow plug T-RP7
Reducer φ8.5
Exhaust seal ring
Dust cap set 12-30(φ3、φ16、φ18)