Speed B21 Engine side view

Speed B21 Ty Tessmann II Limited Edition

Champion design, champion performance.

Ty Tessmann 100% Racing.  Nothing Less. Logo: O.S. Speed

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!

Shots of the extras included with the Speed B21 Ty Tessmann II Limited Edition
Look for the laser-etched engravings of Ty Tessmann's signature on the crankshaft, cylinder head and crankcase! Ty's preferred 5.8 mm carb reducer is also included.

  • Specifications
  • Parts Listing

Stock Number: OSMG2086
Displacement: 0.211 cu in (3.46 cc)
Bore: 0.646 in (16.4 mm)
Stroke: 0.646 in (16.4 mm)
Practical RPM: 4,000-42,000
Power Output: 2.61 hp @ 34,000 rpm
Weight: 12.56 oz (356 g)
Includes: P3 Turbo glow plug, exhaust seal ring, 5.8 mm carb reducer, dust cap set
Requires: Glow fuel, glow igniter, fuel filter, fuel bottle, starter and T-2090SC Tuned Pipe Set (OSMG2953)