O.S. Speed 21ZX-B Spec II Ty Tessman 110% Engine
O.S. Speed 21ZX-B Spec II Ty Tessman 110% Engine
O.S. Speed 21ZX-B Spec II Ty Tessman 110% Engine
O.S. Speed 21ZX-B Spec II Ty Tessman 110% Engine
O.S. Speed 21ZX-B Spec II Ty Tessman 110% Engine
O.S. Speed 21ZX-B Spec II Ty Tessman 110% Engine
Discontinued | This Item is No Longer Available

O.S. Speed 21ZX-B Spec II Ty Tessman 110% Engine

Item No.
OS Engines - OSMG2037
4
Selected Store
Needed to Complete
  • 20%-30% Nitro-methane fuel
  • Fuel Filter
  • Glowplug Igniter with Integrated Battery and Leads
  • Starter Box
  • Fuel Pump
  • Assorted Tools
What's in the Box?
  • (1) Speed 21ZX-B Spec II Ty Tessman 110% Engine
  • (1) Turbo Plug
  • (1) Collet
  • Crankshaft Comes Filled with Silicone
  • Decals
  • Manual

Overview

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 racers. Get yours today and see just how much of a difference it makes in your buggy or truggy!

Key Features

  • The 7 mm venturi insert boosts power while reducing fuel consumption
  • The 4 mm lower cooling head lowers overall center of gravity for improved handling
  • Optional T-2090SC exhaust pipe with 90 mm manifold offers a wide variety of tuning options for truggy racers (T-2090SC is included with OSMG2036)

Product Specs

Crankshaft Threads
UNF1/4-28
Cylinders
Single
Product Width
1.77 in (45 mm) at mounting tabs
Total Weight
12.45 oz (353 g)
Engine (Only) Weight
12.45 oz (353g)
Product Height
3.3 in (83 mm)
RPM Range
4,000 - 42,000 rpm
Bore
0.64 in (16.3 mm)
Power Type
Glow
Plug Type
P3 Turbo Ultra Hot Glow Plug
Stroke
0.66 in (16.8 mm)
Displacement
0.213 cu in (3.49 cc)
Product Length
3.70 in (94 mm)

Video Overview

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