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O.S. Speed B21 Limited Edition Ty Tessmann II Engine

Item No. OSMG2086
Brand Logo
5 out of 5 Customer Rating

O.S. Speed B21 Limited Edition Ty Tessmann II Engine

Item No. OSMG2086
$499.99 Price reduced from $799.99 to
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Product Details

Product Specifications

Specs

Bore 0.65 in (16.4 mm)
Carb Type O.S. 21J3 (B) slide valve w/5.8mm reducer
Crankshaft Threads UNF1/4-28
Cylinders Single
Displacement 0.211 cu in (3.49 cc)
Power Type Glow
HP 2.65 PS, 2.61 HP @ 34,000 rpm
Plug Type P3 Turbo Glow Plug
Product Height 3.32 in (84.3 mm) bottom of mounting tab to top of cylinder head
Product Length 2.5" (64.5mm) from backplate to front bearing
Product Width 1.77 in (45 mm) at mounting tabs
Recommended Fuel 10-30% nitro content, 20% recommended for break-in
RPM Range 4,000 - 42,000 rpm
Stroke 0.65 in (16.4 mm)
Total Weight 12.6 oz (356 g)