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21TM ABC with 2.5 and 3.3 Revo Manifold .21 Engine
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Bore: 0.669 in (17 mm)
Carb Type: three needle slide valve
Crankshaft Threads: M7x1
Crankshaft Type: Threaded
Cylinders: One,Single
Displacement: 0.211 cu in (3.46 cc)
Engine (Only) Weight: 12.25 oz (347 g)
HP: 1.8 PS 1.77 HP @ 35,000 rpm
Height: 3.3" (85.3mm) crankcase botton to top of cylinder head
Length: 2.1" (53.6mm) from back plate to front bearing
Oil Type & Content: At least 18% synthetic lubricant
Plug Type: LC3
RPM Range: 3,000 - 35,000 rpm
Recommended Fuel: 10-30% car blend nitromethane
Stroke: 0.590 in (15 mm)
Type: 2-stroke glow powered monster truck engine
Width: 1.5" (39mm) at mounting tabs

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