O.S. Speed R2103 Engine
Discontinued | This Item is No Longer Available

O.S. Speed R2103 Engine

Item No.
OS Engines - OSMG2020
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The next generation of performance.

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.
  • 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.
  • Second 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.

Product Specs

Product Height
3.58 in (91 mm)
RPM Range
4,000 - 45,000 rpm
Cylinders
Single
Product Width
1.77 in (45 mm) between mounting tabs
Total Weight
12.0 oz (340 g)
Displacement
0.213 cu in (3.49 cc)
Product Length
3.70 in (94 mm)
Bore
0.63 in (16.1 mm)
Power Type
Glow
Plug Type
T-RP7 Turbo Glow Plug
Stroke
0.68 in (17.2 mm)
Crankshaft Threads
UNF1/4-28
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