Posts tagged with B2101

Optima O.S. rear engine cover

See: 6MIK 6mik have introduced new Optima’s rear engine cover for the O.S. 21 XZ, B2101 and B2102 engines. Thanks to exclusiv internal channels, the rear cover will increased engine efficiency by feeding optimaly lateral ports. The fuel mixture is actually less melt by the conrod movement. Following the track conditions, the torque can be […]

OS limited B2101 ‘Ty Tessmann edition’

After a truly whirlwind year which has seen the young Canadian driver elevate himself to true RC superstar status winning the likes of Dirt Nitro Challenge, Neo14, ROAR Nats & finally his long-awaited World Championship, engine sponsor OS have confirmed they’ll be releasing a limited ‘Ty Tessmann’ edition B2101 engine celebrating his World Championship victory […]

Worlds Pit News: OS Speed B2101

OS have swooped on these Worlds with a brand new engine, the B2101 which features a square bore & stroke, the engine itself has a slightly smaller displacement than normal (3.46cc compared with the standard 3.49cc) however, we caught up with OS representative Hirose San who said that 8 of their drivers are running the new […]

OS Speed B2101 engine announced

OS continue to advance and innovate, announcing their latest powerplant – the OS Speed B2101 which features a square bore & stroke, the engine itself has a slightly smaller displacement than normal (3.46cc compared with the standard 3.49cc) however, OS’s frontman Junichi Shimazaki said that the engine was found to be much more controllable, a […]