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Speed 21XZ-B Spec III 1/8 Scale .21 Buggy Engine Speed 21XZ-B Spec III 1/8 Scale .21 Buggy Engine Speed 21XZ-B Spec III 1/8 Scale .21 Buggy Engine
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Bore: 0.64 in (16.3 mm)
Carb Type: O.S. 21J slide valve w/6.5mm restrictor
Crankshaft Threads: UNF1/4-28
Cylinder Type: Three each scavenger and exhaust ports
Cylinders: Single
Displacement: 0.213 cu in (3.49 cc)
HP: 2.61 hp @ 34,000 rpm
Height: 3.4 in (86.5 mm) from bottom of crankcase to top of cylinder head
Length: 2.53 in (64.5 mm) from backplate to front bearing
Plug Type: Turbo P-3 Glow Plug
RPM Range: 4,000 - 42,000 rpm
Recommended Fuel: 10-30% nitro content, 20% recommended for break-in
Stroke: 0.66 in (16.8 mm)
Total Weight: 12.5 oz (353 g)
Type: .21 2-stroke 1/8 scale buggy engine,2-stroke, glow powered 1/8 scale .21 buggy engine
Width: 1.77 in (45 mm)

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