O.S. Speed B21 Limited Edition Ty Tessmann II Engine
O.S. Speed B21 Limited Edition Ty Tessmann II Engine
O.S. Speed B21 Limited Edition Ty Tessmann II Engine
O.S. Speed B21 Limited Edition Ty Tessmann II Engine
O.S. Speed B21 Limited Edition Ty Tessmann II Engine
O.S. Speed B21 Limited Edition Ty Tessmann II Engine
Discontinued | This Item is No Longer Available

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

Item No.
OS Engines - OSMG2086
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Champion design, champion performance.

Ty Tessmann has delivered a power plant that's worthy of his winning pedigree with the Speed B21 Ty Tessmann II Limited Edition. Unique features include a low-profile cylinder head designed by Ty, a 5.8 mm carb reducer and laser-etched engravings of Ty’s signature on the crankshaft cylinder head and crankcase. Supplies are limited, so get yours now before they run out!
  • Special low-profile cylinder head with double-height vertical fins, designed by Ty Tessmann.
  • Crankshaft cylinder head and crankcase feature a laser-etched engraving of Ty Tessmann's signature.
  • 5.8 mm carb reducer.
  • 21J3 (B) slide valve carburetor.
  • P3 Turbo glow plug.
  • Exhaust seal ring.
  • Dust cap set.

Product Specs

Crankshaft Threads
UNF1/4-28
Displacement
0.211 cu in (3.49 cc)
Product Length
2.5" (64.5mm) from backplate to front bearing
Cylinders
Single
Product Width
1.77 in (45 mm) at mounting tabs
Total Weight
12.6 oz (356 g)
Product Height
3.32 in (84.3 mm) bottom of mounting tab to top of cylinder head
RPM Range
4,000 - 42,000 rpm
Bore
0.65 in (16.4 mm)
Power Type
Glow
Plug Type
P3 Turbo Glow Plug
Stroke
0.65 in (16.4 mm)
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