The next generation of on-road performance has arrived with the Speed R2103 from O.S.! Capable of a wider range of torque than the R2102, the Speed R2103 dominates even on high-grip surfaces. Superior fuel consumption ensures you get the most mileage from every fill-up. Factory-applied two-color graphics add signature style to this sleek-looking power plant.
Features:
- Compatible with 16% nitro fuel, which complies with EFRA regulations.
- Crankshaft with Diamond-Like Coating (DLC) and an embedded tungsten weight.
- Outer head with factory-applied two-color graphics.
- Inner button head allows for finer tuning to meet track conditions.
- Steel rear ball bearing.
- Slide valve carburetor.
- 8.5 mm reducer installed in the carburetor venturi to reduce the amount of airflow for greater torque.
- Turbo RP7 glow plug.
- Includes exhaust seal ring, tapered collet and three carb dust seal caps.
Bore: | 0.63 in (16.1 mm) |
Crankshaft Threads: | UNF 1/4-28 |
Cylinders: | Single |
Displacement: | 0.213 cu in (3.49 cc) |
HP: | 2.76 hp @ 33,000 rpm |
Height: | 2.9 in (75.6 mm) |
Length: | 2.5 in (64.5 mm) from backplate to front bearing |
Plug Type: | Turbo RP7 glow plug |
RPM Range: | 4,000 - 45,000 rpm |
Recommended Fuel: | 10-30% nitro fuel |
Stroke: | 0.68 in (17.2 mm) |
Total Weight: | 12.0 oz (340 g) |
Width: | 1.8 in (45 mm) |