

320 6333876
OS has just announced the release of the new B2104, an engine intended for the 1/8 offroad public .
It is a long stroke engine, bore x stroke is 16.27 x 16.80mm. It has quicker low-end response and more mid-range torque with steady idle.
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 φ6Ⅱ 、 φ6.5Ⅱ ・ Exhaust seal ring
Dust cap set 12-30 (φ3 、 φ16 、 φ18