B2101 Ty Tessmann Limited Edti
  • B2101 Ty Tessmann Limited Edti

Part #: OSMG2044

B2101 Ty Tessmann Limited Edti - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available.

This is the O.S Speed B2101 Ty Tessmann Limited Edition .21 Nitro Engine, with an included 2090SC Tuned Pipe and M2002SC Manifold. Now available to the public, the custom B2101 engine Ty Tessmann used to win the 2014 IFMAR 1/8 Off-Road World Championship.

This engine features the same internals as the well known Speed B2101 but combines a few tweaks requested by the World Champion himself, Ty Tessmann.

Tessmann Edition Features:

  • Natural colored cooling head with black lettering
  • Custom engraved crankcase
  • Custom engraved crankshaft
  • Custom engraved tuned pipe
  • 5.8mm carb restrictor (only available with this engine)
  • T-2090SC tuned pipe & M2002SC manifold combo (only available with this engine)
  • M2002SC manifold increases torque in low-middle range compared to M2000SC
  • This engine, pipe, manifold & carb restrictor combo powered Ty Tessmann to win the 2014 IFMAR 1/8 Off-Road Worlds

About the O.S. Speed B2101
The B2101 was developed to fill a hole in the O.S. engine line with an engine that produces a smooth power band, ideal for slick or blown-out tracks. It's square 16.4mm bore/stroke dimensions, combined with a DLC coated and balanced OS SPEED tuned crankshaft create the perfect blend of power and driveability. Other features include a low slung, low CG cooling head that hangs below the engine case, for improved handling, and the renown 21J carburetor for easy tuning adjustments.

B2101 Features:

  • Low slung, low CG cooling head
  • 21J carburetor
  • Square 16.4mm bore/stroke dimensions
  • Smooth power band
  • DLC coated and balanced OS SPEED tuned crankshaft

Displacement: 3.46cc
Output: 2.65ps @ 34,000 rpm
Bore: 16.4mm
Stroke: 16.4mm
Practical RPM Range: 4,000 ~ 42,000 rpm
Weight: 352g


  • (1) Speed B2101 Ty Tessmann Edition Engine w/21J Carb
  • (1) T-2090SC Tuned Pipe
  • (1) M2002S Manifold
  • (1) P3 Turbo Glow Plug
  • (1) Dust Cap Set
  • (2) Exhaust Gasket
  • (3) Small Pipe Springs
  • (2) Long Manifold Springs
  • (1) Manual 
  • (1) Decal Sheet