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INDEPENDENT AUTHORIZED KODIAK SERVICE
CENTER FOR ROTAX® AIRCRAFT ENGINES
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4-cylinder, 4-stroke, opposed cylinders, liquid/air-cooled, automatic adjustment by hydraulic valve tappet, dual CD carburetors, mechanical diaphragm pump. Price includes electric starter and regulator/rectifier.
| Operator's Manual |
Part No. 999-609 |
| Repair Manual |
Part No. 999-676 |
| Parts Manual |
Part No. 999-675 |
| 912F Maintenance Manual |
Part No. 897-792 |
| 912 Info Pak |
Part No. 999-673 |
| 912 Installation Instructions |
Part No. 999-672 |
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Call for Prices on ROTAX Parts
1-800-532-3462
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SPECIFICATIONS |
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Bore: |
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79.5 mm (3.13 in.) |
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Stroke: |
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61.0 mm (2.40 in.) |
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Displacement: |
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1,211.2 cc (73.91 cu. in.) |
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Power output: |
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MAX: 80 hp @ 5500 rpm; IDLE: 1400 rpm |
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Torque max: |
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910 in. lb. @ 4800 rpm |
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Max rpm: |
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5800 |
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Cylinder: |
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light alloy / Nicasil plated |
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Piston: |
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Aluminum cast with 3 piston rings |
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Valve train: |
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O.H. valve, hyd. lifters, pushrods, rocker arms |
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Cylinder head: |
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4 separate cylinder heads |
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Max. cyl. head temp: |
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150 deg. C (300 deg. F) |
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Compression ratio: |
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9:1 |
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Crankshaft: |
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Case-hardened with 5 plain bearings |
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Cooling: |
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Liquid-cooled cylinder heads, air cooled cylinder |
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Lubrication: |
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Dry sump lub. with trochoid pump, cam shaft driven, oil return by BLOW-BY gas |
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Oil quantity: |
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3 liters (.8 US gal.), SAE 20W50 or SAE 30 high performance automotive oil API, S6, Mobil 1, 15W50, NO AVIATION OIL |
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Oil pressure: |
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NORMAL 58 psi (4 bar) @ 5500 rpm, MAX 72 psi (5 bar), MIN 22 psi (1.5 bar) @ 2800 rpm |
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Oil temperature: |
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NORMAL 90-110 deg. C (190-230 deg. F), MIN 50 deg. C (120 deg. F), MAX 140 deg. C (285 deg. F) |
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Oil flow rate: |
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3.4 gal. @5500 rpm |
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Ignition: |
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Capacitor discharge double ignition, generator with electronic advance and integrated magneto, redundant |
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Generator: |
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12 V / 250 W AC, 18 amp |
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Fuel: |
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Premium grade leaded gas, according to DIN 1600, ONORM C 1103 EURO SUPER ROZ 95 unleaded, according to DIN 51603, ONORM C1101 |
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Pump: |
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Diaphragm type |
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Fuel pressure: |
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0.4 bar (5.8 psi) |
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Fuel consumption: |
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4.5 gal./hr. @ 75% cruise |
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Starter: |
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Integrated electric starter |
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Gear: |
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Integrated reduction gear with torsional shock absorption |
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Gear ratio: |
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2.27:1 |
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Certification: |
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According to JAR 22, Austria TW 8/89, and Germany no. 4585 |
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TBO: |
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1,200 hrs. |
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Direction of rotation: |
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Counter-clockwise, as viewed towards the propeller shaft |
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![[PHOTO]](images/912.JPG)