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Rotax Engine Rebuilding Videos
Rotax engine rebuilding videos, each video is approximately 2 hours in
length and takes you step by step through the tear down, clearing, and
reassembly of a Rotax engine
Click
here for more information!
Rotax 447 engine specifications. |
|
Rotax Engine Rebuilding Videos
Rotax engine rebuilding videos, each video is approximately 2 hours in
length and takes you step by step through the tear down, clearing, and
reassembly of a Rotax engine
Click
here for more information!
Rotax 447 engine specifications. |
| DESCRIPTION: |
Two-cycle, two-cylinder engine, oil in fuel lubrication |
| BORE: |
67.5 mm (2.657 in.) |
| STROKE: |
61 mm (2.40 in.) |
| DISPLACEMENT: |
436.5 cc (26.635 cu. in.) |
| COMPRESSION RATIO: |
Theoretical 9.6, effective 6.3 |
| POWER OUTPUT: |
29.5 kw (40 HP) at 6000 rpm |
| TORQUE MAX.: |
44.0 NM (32.5 ft. lbs.) at 6000 rpm |
| MAXIMUM RPM: |
7000 RPM |
| DIRECTION OF ROTATION: |
Counter-clockwise, viewed towards PTO |
| CYLINDER: |
2 light alloy cylinders w/ cast iron sleeves |
| PISTON: |
Aluminum cast piston with 2 rings |
| PISTON/CYLINDER CLEARANCE: |
0.08- 0.09mm (.00315-.00354 in.) |
| IGNITION SYSTEM: |
Breakerless Ducati capacitor discharge ignition with magneto generator. |
| GENERATOR OUTPUT: |
AC 12V 110W + 30W |
RECTIFIER-REGULATOR:
(optional) |
a.) #9103 requires minimum load 12 W (1 amp.) |
| b.) #9251 requires no minimum load |
| IGNITION TIMING: |
2.09 mm = .086" BTDC |
| CONTACT POINT GAP: |
0.4 mm = .015" |
| SPARK PLUG: |
12mm NGK B8ES |
| ELECTRODE GAP: |
.015" GAP |
| CARBURETOR: |
1 X BING 36mm, with hand lever choke |
| FUEL PUMP: |
pneumatic fuel pump #6903 |
| FUEL: |
Regular gasoline, octane not below 90 unleaded |
| LUBRICATION OF ENGINE: |
Super two stroke oil (AV-2) |
| MIXING RATIO: |
50 TO 1 (2%) |
| STARTER: |
Rewind starter
optional: electric mag side without recoil option |
| REDUCTION GEARBOX "B": |
Reduction gear-box with Torsional shock absorber |
| RATIOS: 2.00 to 1, 2.238 to 1, 2.58 to 1 |
| DIRECTION OF PROP ROTATION: |
Clockwise, viewed toward prop flange |
| COOLING: |
Air cooled by axial fan |
| WEIGHTS: |
Engine without carburetor, intake silencer, fuel pump |
| Exhaust System...................... |
| Carb With Rubber Socket......... 2.0 lbs.......( 0.9 kg.) |
| Exhaust System (approx.)......... 10.8 lbs.......( 4.9 kg.) |
| Electric Start Kit (Optional)..... 7.70 lbs.......( 3.5 kg.) |
| Reduction Box "B" - Dry.............9.9 lbs.......(4.5 kg.) |
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Click here for Rotax engine pricing. |
