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O.S. Speed B21 Ty Tessmann II Limited Edition

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Low Price: $499.99
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The O.S. Speed B21 Ty Tessmann II Limited Edition engine is a power plant worthy of Ty's winning pedigree. 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. So whether you are a fan of Ty, or just a fan of O.S., this engine is available for a limited time only, so get one before they are gone!

Features:
  • 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
Specifications:
Bore:
0.65 in (16.4 mm)    
Crankshaft Threads: UNF 1/4-28    
Cylinders: Single    
Displacement: 0.211 cu in (3.49 cc)    
HP: 2.61 hp @ 34,000 rpm    
Height: 3.32 in (84.3 mm)    
Length: 3.70 in (94 mm)    
Plug Type: P3 Turbo Glow Plug    
RPM Range: 4,000 - 42,000 rpm    
Recommended Fuel: 10-30% nitro content    
Stroke: 0.65 in (16.4 mm)    
Total Weight: 12.6 oz (356 g)    
Width: 1.77 in (45 mm)

This product was added to our catalog on September 26, 2018