Discontinued
Brand Logo
3.4 out of 5 Customer Rating

O.S. Speed 21XZ-B Spec II Ty Tessman 110% Engine with T-2090SC Pipe

Item No. OSMG2036
Discontinued
Brand Logo
3.4 out of 5 Customer Rating

O.S. Speed 21XZ-B Spec II Ty Tessman 110% Engine with T-2090SC Pipe

Item No. OSMG2036
This Item is No Longer Available
Selected Store

Product Details

O.S. Engine Logo

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
  • T-2090SC exhaust pipe with 90 mm manifold offers a wide variety of tuning options for truggy racers
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) T-2090SC Exhaust Pipe
  • (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!

Video Overview

Product Specifications

Specs

Bore 0.64 in (16.3 mm)
Carb Type O.S. 21J3 (B) slide valve w/7mm reducer
Crankshaft Threads UNF1/4-28
Cylinders Single
Displacement 0.213 cu in (3.49 cc)
Power Type Glow
Muffler Type Tuned Muffler
Plug Type P3 Turbo Ultra Hot Glow Plug
Product Height 3.3 in (83 mm) bottom of mounting tabs/top of cylinder head
Product Length 2.5 in (64.5 mm) from backplate to front bearing
Product Width 1.8 in (45 mm) at mounting tabs
Recommended Fuel 10-30% nitro fuel
RPM Range 4,000 - 42,000 rpm
Stroke 0.66 in (16.8 mm)