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Give your Traxxas T-Maxx a big boost of performance with the 21TM from O.S. It's the perfect drop-in upgrade, since it has a special manifold that adapts perfectly to existing pull-start or EZ-Start systems.
Features:
- Adapts easily to existing pull-start or EZ-Start systems, no mods required
- Manifold specially designed to fit directly into the T-Maxx
- Clutch assembly bolts directly onto the crankshaft without modification
- Oversized crankcase cooling fins for dissipation
- 11K 3-needle slide valve carburetor
- High-performance LC3 glow plug
Specifications:
- Displacement: 0.208 cu in (3.41 cc)
- Bore: 0.669 in (17 mm)
- Stroke: 0.59 in (15 mm)
- RPM Range: 3,000-35,000
- Output: 1.77 hp @ 29,000 rpm
- Weight: 8.57 oz (243 g)
- Includes: 11K carburetor and LC3 glow plug
From the Manufacturer
This is the O.S. Max 21TM Engine with T-Maxx Manifold. Direct fit for the 2.5 and 3.3 Traxxas T-Maxx monster trucks. TWO YEAR LIMITED WARRANTY.
Joseph Castjohn
Reviewed in the United States on April 5, 2021
BIG TIME POWER!!!
Joe o
Reviewed in the United States on February 4, 2017
Very good motor . It holds tune way better than the 3.3 that was in my revo. It has way more low end power than the 3.3. It was worth every penny I paid for it!
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