The OSSPEED “R21 series, which was the first Japanese championship to dominate the podium. R2104, which was further improved on the basis of the R21 series, was completed with the aim of conquering the world championship held in the US this year. Cylinder liner is the heart part for the purpose of increasing torque in the engine.The newly designed 9-port cylinder shaft with OSSPEED traditional DLC coating improves the connection from low speed to top speed by changing the counter balance. Utilizing the know-how of the OSSPEED off-road engine, the “O” ring is used to shut out dust contamination in the cylinder liner, and the outer head colored in black and RED two-color alumite that can be recognized as an OSSPEED brand engine with one eye is a fin pitch. Extends cooling performance and weight balance Each part is finished adopted the part of the latest design to the flagship to the appropriate content of OSSPEED on-road engine such as to contribute to the driving performance improvement of the mounting machine.
OS SPEED R2104
O.S. SPEED R2104 is a factory tuned engine solely developed for 1/8 racing competition. The new engine boasts 9-port piston liner to improve torque in low-middle power range. It produces enough power as designed even in high traction tracks. The redesigned crankshaft counter weight enables smooth power transition from low to top. Distance of each fin of the heat sink head is enhanced for better air flow for cooling and better balance. The heat sink head is anodized in two colors; black and red.
O.S. SPEED R2104
Engine only Code No.1C600
SpecificationDisplacement： 3.49cc / 0.213 cu.in.
Practical r.p.m.Range: 4,000-45,000 r.p.m.
Weight: 340g / 11.99oz