Speed 21XZ-B Spec. II Ty 110% Limited Edition Off-Road Engine

Speed 21XZ-B Spec. II Ty 110% Limited Edition Off‑Road Engine

Ty Tessmann's title-winning power plant

If it's good enough for renowned driver Ty Tessmann, you can be confident installing it in your ride! The Speed 21XZ-B Spec. II Ty 110% long stroke nitro engine continues the O.S. Speed legacy, with improvements that paved the way for Ty to take first place in the Nitro Truggy division at the ROAR Fuel Off-Road National Championships. The engine is available alone, or as part of a set with a T-2090SC exhaust pipe and manifold that offers lots of tuning options for truggy racers. The Speed 21XZ-B Spec. II Ty 110% is being produced in limited quantities, so get yours today.

Ty Tessmann 100% Racing.  Nothing Less.
OSMG2036
Speed 21XZ-B Spec. II Ty 110% Engine w/ T-2090SC Pipe

OSMG2037
Speed 21XZ-B Spec. II Ty 110% Engine

close-up of lettering on side of engine
Ty's personal involvement with the Speed 21XZ-B Spec. II engine is evident.
close-up of overhead view pic of crankshaft
  • Specifications
  • Parts Listing

Stock Number: OSMG2036, OSMG2037
Displacement: .213 cu in (3.49 cc)
Bore: .641 in (16.27 mm)
Stroke: .661 in (16.8 mm)
Practical RPM: 4,000-42,000
Power Output: 2.61 hp @ 34,000 rpm
Weight: 12.45 oz (353 g)
Includes: carb, inner head, P3 plug and exhaust seal ring
OSMG2036 includes: T2090SC exhaust pipe
OSMG2037 requires: tuned pipe set
Both require: 20%-30% nitro-methane fuel