O.S. 21TM ABC with 2.5 and 3.3 T-Maxx Manifold .21 Engine

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Price: $279.99

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Specifications

RPM Range3,000 - 35,000 rpm
Recommended Fuel10-30% nitro content, 20% for break-in
Width1.5 in (39 mm) at mounting tabs
Carb Type11K three needle slide valve
Height4 in (101 mm)
Stroke0.590 in (15 mm)
Plug TypeLC3
Length2.1 in (53.6 mm) from backplate to drive hub
Displacement0.213 cu in (3.49 cc)
Bore0.669 in (17 mm)
CylindersSingle
Total Weight8.57 oz (243 g)
Type2-stroke glow powered 1/8 scale monster truck engine
Crankshaft TypeThreaded
Crankshaft ThreadsM7x1
HP1.8 PS, 1.77 HP @ 29,000 rpm