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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..

TR03 EFRA2196 + MR05 Set[Specifications]Displacement: 3.49 cc / 0.213 cu. in.Bore: 16.08 mm / 0.633 in.Stroke: 17.20 mm / 0.677 in.Power Output: 2.80 ps / 2.76 hp / 35,000 rpmPractical RPM Range: 4,000–45,000 rpmWeight: 345 g / 12.17 oz...

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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