RCPlanet
Ofna Jammin .21 Engine OFN51250
| RPM | 36000 |
| Bore | 16.26mm |
| Displacement | .21 cu in (3.49cc) |
| Stroke | 16.8 |
| Weight | 11.64oz (330g) |
| Length | 3.66" (93mm) |
| Width | .82" (21mm) mounting hole centers same side 1.69" (43mm) mounting hole centers opposite side |
| Width at Mounting Tabs | 1.7" (44.1mm) |
| Height | 4.33" (110mm) from bottom of crankcase/top of cylinder head |
| Height | 3.7" (94mm) from bottom of mounting tabs/top of cylinder head |
| Needle settings | factory setting equals 6½ turn out in total |
, HP: 3, , ,
Ofna Jammin' .21JPX engine.
Features:Tuned for buggies
Special Slide Valve Carburetor has high heat nylon body to counteract heat from the engine that could cause the fuel to boil before entering the engine
ABC construction (Aluminum piston with a Chromed Brass cylinder)
Ofna recommends using 20% O'Donnell fuel
Muffler or tuned pipe depending on application
Turbo Glow Plug
Some notes on Slide Valve and Rotary Carburetors: Rotary Carbs offer a larger response in the middle of the power band. This works well for off-road applications when throttle response must be varied.
Slide Valve Carbs provide greater response at the beginning and end
of the power band. This works well for on-road and racing
applications for fast take-offs and high speed.
Red anodized aluminum head
Engine delivers excellent bottom end power with great top end run out
Includes Turbo Plug type head
Check price and availability
Found 11 years, 7 months ago