OS Speed B21 Ty Tessmann II
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. 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.
  
  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
Include : T-2090SC Tuned Pipe Set