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Spec: Process volume: 3.49 cc / 0.213cu.in.Bore: 16.08mm / 0.633 in.Stroke: 17.20mm / 0.677 in.Output: 2.8 ps / 2.76 hp / 35,000 r.p.m.Practical rotation speed: 4,000-45,000 r.p.m.Weight: 340g / 11.99 oz.Comes standardGlowplug RP7Exhaust seal ring O.S. SPEED Dus..

While inheriting the smooth feeling and good fuel efficiency of the previous model O.S.SPEED R21GT, which was well received in the European market, the home of GT cars, the power feeling in the medium and low speed ranges has been improved by revising the counterbala..

O.S. SPEED R2106 is the factory tuned engine developed for 1/8 on-road racing competition. The new engine 9 port cylinder liner with re-designed port for more power. Also for great power feel from low end, we have adopted crankshaft from R21 Euro II and well received..

This engine is a 1/8 scale on-road racing competition-specific tuned engine produced by O.S.SPEED.By employing pre-break-in, we have been able to shorten the break-in time and reduce initial jamming and seizure. Why not experience the reborn O.S.SPEED R2106 for yours..

Includes・RP6 Glow plug・Exhaust seal ring・Dust cap set 3mm/16mm/18mmSpecDisplacement 2.10 cc / 0.128 cu.in.Bore 13.67 mm / 0.538 in.Stroke 14.3 mm / 0.563 in.Output 1.75 ps / 1.73 hp / 35,000 r.p.m.Practical RPM range 5,000-45,000 r.p.m.Engine Weight 233 g / 8.22 oz...

O.S. Engines would like to introduce all new O.S. SPEED R21 SHIMO EDITION 3. Latest collaboration engine with O.S. Team driver Takaaki Shimo.On exhaust section on crank case, using spacer(s) that is provided, the engine will perform more linear from low to top end. C..

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Compared to the current product TR01 EFRA2098/TR02 EFRA2165, power from mid-range has improved.Performance has been improved by applying a special coating to the surface. In addition, the MR04 manifold has improved its power from mid-range by revising the manifold an..

・Tuned silencer TR03 EFRA2196 (72107851) ・Exhaust adapter seal ring・Joint spring x 3..

Spec.---------------------------Displacement： 2.1cc/0.128cu.in.Bore: 13.67mm/0.538in.Stroke: 14.30mm/0.563in.Output :1.75ps/1.73hp/35,000r.p.m.practical rpm range数: 5,000〜45,000r.p.m.Engine Weight:233g/8.22oz.Standard accessories---------------------------Glow plug T..

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