| This is the O.S. Max 21TM Engine with the Revo Manifold. This is a direct fit for the Traxxas Revo 2.5 and 3.3 monster trucks. The .21TM is designed to be used with either the EZ-Start system or the Traxxas pull-start without modification. This engine comes with a two-year limited warranty.
Features:
- Adapts perfectly to the Traxxas E-Z Start or pull-start systems with no modifications
- Included manifold is specially designed to fit directly onto the Revo
- Traxxas' clutch assembly bolts right to the crankshaft with no modifications
- Oversized cooling fins on crankcase helps to keep engine cooler
- Three needle slide valve carburetor with fins to help cool the fuel as it enters the engine
- High-performance long reach O.S. LC3 glow plug suitable for off-road applications that require constantly varying speed
Includes: One O.S. Max 21TM Engine with Revo Manifold, LC3 glow plug, 11K slide valve carburetor, manifold spring, rubber exhaust gasket, sticker sheet and instruction manual
Specifications:
Displacement: 0.21 cu in (3.4cc)
Bore: 0.669" (17mm)
Stroke: 0.590" (15mm)
Practical RPM: 3,000 - 35,000 RPM
Output: 1.8 ps / 29,000 RPM
Weight: 8.57oz (243g)
Distance between mounting hole centers same side: 0.43" (11mm)
Distance between mounting hole centers opposite side: 1.2" (31.4mm)
Distance from end of crankshaft to drive washer: 1.03" (26.3mm)
Distance from center of engine to front bearing: 1.4" (34.8mm)
Distance/bottom of mounting flanges/top of cylinder head:3.2"(81.2mm)
Width of mounting flanges: 1.5" (39mm)
Length of exhaust flange: 0.24" (6mm)
Height/backplate mount to top of cylinder head: 3.3" (85.3mm) |
