Red RC » OS Engines

April 28, 2021

OS Speed R21 Shimo Edition 2

OS Engines have released their new OS Speed R21 Shimo Edition 2 onroad engine, a collaboration with top Japanese racer Takaaki Shimo. Visually the engine has received a very nice champagne colour to both the cooling head and venturi, while internally there has also been work done to the R21 engine. A new crankshaft design focuses on power delivery throughout the range while the 7 port liner has also received attention to optimise it for the new crankshaft. Sold as a combo set, it comes supplied with the EFRA2165 Tuned silencer set MR03 that includes the WC Exhaust manifold set.

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December 31, 2020

Davide Ongaro joins O.S. Engines factory team

O.S. Engines have announced that current 1/8th Offroad World Champion Davide Ongaro has signed a contract to join their factory team. Running LRP engines, which are O.S. based, for the past few seasons, including to win his World title in Perth in 2018, 2021 will see the young Italian Team Associated driver work directly with the Japanese company. O.S. said of the deal ‘We are proudly announcing that Davide Ongaro, the 2018 1/8 off-road world champion has signed a contract with O.S. engines. We hope to show great performance of our products in the coming season together with him.’

Source: O.S. Engines [os-engines.co.jp]

November 27, 2020

OS Speed TT02 & MT02 exhaust system

OS Engines will release a complete exhaust system that combines the TT02 (EFRA 2690) silencer and the MT02 manifold. This set is optimised for the engine characteristics of the recently released MAX-12TG Ver.4 engine. Compared to the current MT01 manifold, the new manifold combined with the pipe improves low and medium end power. The set comes with pipe, manifold, exhaust seals and mounting springs.

View the complete set here

October 30, 2020

OS 12TG V4 touring car engine

O.S. Engines have released the 4th version of their popular 12TG touring car class engine. The durability of the engine has been improved by adopting the conrod from one of their high end competition OS Speed T12 engines with the crankcase changed accordingly. The shape of the piston is also different and lighter, ensuring a smooth power delivery is achieved. The final changes are only cosmetic with the blue cooling head received a newly designed laser marking. Available as a solo engine and as a combo with the TT02 EFRA2690 pipe and EX Manifold MT02.

Source: OS Engines [os-engines.co.jp]

September 30, 2020

OS Speed T1204 .12 engine

OS Engines have released their new OS Speed T1204 .12 engine. Featuring improved torque at medium to low speeds, the throttle response has also been improved. This has been achieved through a newly designed crankshaft with different counter weight shape which has had two tungsten weights installed for improve performance. The cooling head has also been changed to improve cooling, while the button and its o-ring has been modified to prevent dust entering this area. The T1204 is sold separately or as a combo with a TT01 EFRA2672 silencer with EX manifold MT03.

View the combo set here

September 4, 2020

OS Speed Ronda Drake B21 engine

OS Engines in Japan have announced the release of the new OS Speed Ronda Drake edition engine. Identical in specification to the latest Adam Drake edition B21 engine, we would argue that his wife’s engine looks much cooler with its pink cooling head with black and white print and matching pink venturi insert. Originally only meant for the US market, the Japanese company has decided to make it available to all markets in an engine only or combo kit.

Source: OS Engines [os-engines.co.jp]

August 4, 2020

O.S.Speed MR03-WC 1/8th scale on-road manifold

Coming from O.S.Speed is their new manifold for 1/8th scale on-road engines. Developed for the 2019 IFMAR World Championships and successfully used by World Champion Shoki Takahara, the manifold offers a smooth transition between the low and high speed RPM range and it is best used with the TR01 EFRA2098 exhaust pipe for high speed tracks or the recently released TR02 EFRA2165 pipe for improved torque in the low to medium speed range. Included with the polished and laser-engraved manifold come a high-quality silicone seal and mounting springs.

Source: O.S.Speed [osspeed.com]

August 4, 2020

O.S. Engines 21XR-B Ver.3 3.5cc nitro engine

O.S. Engines have announced the soon release of their new 21XR-B Ver.3 3.5cc nitro engine. The sports engine incorporates the DNA of the ultra-successful O.S.Speed line, transplanted into a more budget-friendly package for the average racer. A newly designed crankshaft will improve engine response thanks to a different shape and timing while a more lightweight piston further assists with a crisp engine response on throttle input. The OSSpeed-style conrod will offer exceptional durability while a redesigned combustion camber insert optimises power supply especially in the low to medium RPM range while offering stable engine performance at high speeds. Other features include a redesigned cooling head, the engine uses the double adjustment 21 J3-1 carburettor and it comes with 6mm off-road and 7mm GT specific venturi inserts. The engine is available separately and also as buggy combo set including an EFRA2089 exhaust pipe and MB01-75 manifold or as GT combo set including an EFRA2042 exhaust and MB01-70 manifold.

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