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5 out of 5 Customer Rating

21XR-B Version II Car Engine

Item No. OSMG2056
Brand Logo
5 out of 5 Customer Rating

21XR-B Version II Car Engine

Item No. OSMG2056
$259.99 Price reduced from $399.99 to
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Product Details

Product Specifications

Specs

Bore 0.64 in (16.27 mm)
Carb Type O.S. 21J3-I slide valve w/7mm & 8mm restrictors
Crankshaft Threads UNF1/4-28
Cylinders Single
Displacement 0.213 cu in (3.49 cc)
Engine (Only) Weight 13.40 oz (380 g)
Power Type Glow
HP 2.45 PS 2.42 HP @ 33,000 rpm
Plug Type Turbo P-3 Glow Plug
Product Height 3.4 in (86.5 mm) bottom of mounting tabs to top of cylinder head
Product Length 2.5" (64.5 mm) from backplate to front bearing
Product Width 1.8 in (45 mm) at mounting tabs
Recommended Fuel 10-30% nitro content, 20% recommended for break-in
RPM Range 4,000 - 40,000 rpm
Stroke 0.66 in (16.8 mm)
Total Weight 12.5 oz (353 g)