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| DESCRIPTION: |
Two-cycle, two-cylinder engine, oil in fuel lubrication |
| BORE: |
72.0mm (2.835 in.) |
| STROKE: |
61mm (2.40 in.) |
| DIRECTION OF ROTATION: |
Counter- clockwise, viewed towards PTO (without reduction gear
box) |
| DISPLACEMENT: |
496.7 c.c. (30.31 cu. in.) |
| COMPRESSION RATIO: |
Theoretical 10.8 - effective 6.2 |
| POWER OUTPUT: |
34.0 kw (46 hp) configuration single carb. |
| MAXIMUM RPM: |
6800 rpm. |
| DIRECTION OF ROTATION: |
Counter- clockwise, viewed towards PTO (without reduction gear
box) |
| CYLINDER: |
2 light alloy cylinders with cast iron sleeves |
| PISTON: |
Aluminum cast piston with 2 rings |
| PISTON/CYLINDER CLEARANCE: |
0.07 - 0.08mm (.0028 - .0032 in.) |
| IGNITION SYSTEM: |
Breakerless Ducati capacitor discharge dual ignition with
magneto generator. |
| GENERATOR OUTPUT: |
170 W AC at 6000 rpm and 13.5 V RMS |
| RECTIFIER- REGULATOR: (optional) |
a.) #9103 requires min. load 12 W (1 amp) to regulate |
| b.) #9251 requires no min. load |
| IGNITION TIMING: |
1.47mm = .059 in. (16 degrees B.T.D.C.) |
| SPARK PLUG: |
14 mm NGK B8ES |
| ELECTRODE GAP: |
.015 in. |
| CARBURETOR: |
1 x BING 36mm (1.42 in.) hand lever choke |
| FUEL PUMP: |
pneumatic fuel pump #6903 for single carb |
| FUEL: |
Regular or premium gasoline, octane not lower than 90 octane
(unleaded fuels) |
| LUBRICATION OF ENGINE: |
Super 2- stroke oil (AV-2), proposed ASTM/CEC |
| STARTER: |
Rewind starter - standard |
| (optional) |
electric starter, magneto side without rewind starter |
REDUCTION GEARBOX "B":
(optional) |
Reduction gear box with torsional shock absorber, for propeller
interia up to 3000 kg cm sq. |
REDUCTION GEAR BOX "C":
(optional) |
Reduction gear box with torsional shock absorber, for propeller
interia up to 6000 kg cm sq. |
| RATIOS: |
2.62 to 1, 3.00 to 1, 3.47 to 1, 4.00 to 1. |
| LUBRICATION OF GEAR BOX: |
Gear oil, GL5 or GL6, SAE 140EP, or 85 W-140 EP |
| DIRECTION OF PROP SHAFT ROTATION: |
Clockwise, viewed towards propeller flange. |
| COOLING: |
Air cooled by axial fan |
| WEIGHT: |
Engine wo/: carburetor, air filter, fuel pump, exhaust
system...................................................67.0 lbs.......(30.4 kg ) |
| 2 carbs w/ sockets...................................4.0
lbs........(1.8 kg ) |
| exhaust system assy...............................10.8
lbs........(4.9 kg ) |
| 2 air filter.................................................0.6
lbs........(0.3 kg ) |
| electric start kit, mag end.1.......................7.7
lbs........(3.5 kg) |
| start kit, mag end.1...................................7.7
lbs........(3.5 kg ) |
| Reduction box
"B"....................................9.9 lbs........(4.5 kg ) |
| Reduction box
"C"..................................16.3 lbs........(8.1 kg ) |
OPTIONS:
- Intake Silencer Kit with filter (requires jetting modifications)
- After Muffler: Special after muffler fitted to exhaust canister
(available in either weld-on type or clamp-on type)
- Air filter: Two K&N RC 1200 or One K&N RC 2820
- High Altitude Compensator: Automatic High Altitude adjustment of
Carburetor calibration with modified Carburetor
- Electric Start Kit: Electric start on MAG end.
- Regulator/ Rectifier: #9103 Single phrase or #9251 three phase
- Reduction Box: "B" box with ratios: 2.0 to 1, 2.238 to
1, or 2.58 to 1
- Reduction Box "C" box with ratios: 2.62 to 1, 3.0 to 1,
3.4 to 1, 4.0 to 1
Click here for Rotax engine pricing.
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
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here for more information!
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