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21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx

Item No. OSMG2083
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx
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5 out of 5 Customer Rating

21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx

Item No. OSMG2083
$299.99 Price reduced from $499.99 to
Next Shipment November 2020
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A performance boost for one of R/C's most popular trucks!

Boost the 4WD performance power in your Traxxas® T-Maxx™ with the 21TM engine from O.S.! It's the perfect upgrade for your monster masher – because it's a direct fit for Traxxas EZ-Start® or pull-start systems, as is the manifold and clutch assembly!


O.S. Two Year Limited Warranty
  • The 21TM adds more power and displacement than the 18TM – and without modification!
  • Retrofits into the same mounting pattern, and the Traxxas clutch assembly bolts right on.
  • The special manifolds adapt perfectly to existing pull-start or EZ-Start® systems.
  • Reliable, lightweight and easy to operate – and both include a 3-needle carb for more precise tuning and an LC3 glow plug.

Product Specifications

Specs

Bore 0.669 in (17 mm)
Carb Type 11K three needle slide valve
Crankshaft Threads M7x1
Crankshaft Type Threaded
Cylinders Single
Displacement 0.213 cu in (3.49 cc)
Power Type Glow
HP 1.8 PS, 1.77 HP @ 29,000 rpm
Plug Type LC3
Product Height 4 in (101 mm)
Product Length 2.1 in (53.6 mm) from backplate to drive hub
Product Width 1.5 in (39 mm) at mounting tabs
Recommended Fuel 10-30% nitro content, 20% for break-in
RPM Range 3,000 - 35,000 rpm
Stroke 0.590 in (15 mm)
Total Weight 8.57 oz (243 g)