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.
0.65 in (16.4 mm)
O.S. 21J3 (B) slide valve w/5.8mm reducer
0.211 cu in (3.49 cc)
2.65 PS, 2.61 HP @ 34,000 rpm
P3 Turbo Glow Plug
3.32 in (84.3 mm) bottom of mounting tab to top of cylinder head
2.5" (64.5mm) from backplate to front bearing
1.77 in (45 mm) at mounting tabs
10-30% nitro content, 20% recommended for break-in