Can-Zac Aviation Ltd. is your OEM distributor for Rotax engines in Canada. For Pricing on this engine click here
Zenith Aircraft Company recommends the 80-hp Rotax 912 or the 100-hp Rotax 912S as the standard powerplant for both the ZODIAC CH 601 series and the STOL CH 701. The new 912 S is a 100 HP* version of the certified 81 HP 912 engine, with the same external dimensions as the standard Rotax 912.
Click here for details on the 100-HP Rotax 912S model
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Manufactured by Bombardier's Rotax subsidiary, the Rotax 912 is a new-generation light aircraft engine. The engine is FAA-certified in the United States (though builders of experimental aircraft typically install the non-certified model, the Rotax 912 UL).
The 80-hp Rotax 912 is a lightweight, four-cylinder, four-cycle aircraft engine:
Description of Design: Click here for a detailed specification page on the Rotax 912 (pdf doc)
 | 4-stroke, 4 cylinder horizontally opposed, spark ignition engine, one central camshaft, pushrods, OHV. |
| Liquid cooled cylinder heads, ram air-cooled cylinders |
| Dry sump forced lubrication |
| Dual breakerless, capacitor discharge ignition |
| Prop drive via reduction gear with integrated shock absorber. |
| Integrated AC generator |
| Electric Starter |
| Mechanical (engine driven) fuel pump |
| Engine TBO (Time Between Overhaul): 1,500 hours |
Technical Data
| Bore: | 79.5 mm. |
Click here for a detailed schematic view |
| Stroke: | 61 mm. | |
| Displacement: | 1211 cu.cm. (73.9 cu.in.) |
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| Compression: | 9:1 | |
| Engine Weight: | 123.5 lbs.. 56 kg. |
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| DC Output: | 14 V / 250 W | |
| Carburetor: | Bing (dual) | |
| Power Rating: | 80 hp (59 kW) @ 5500 RPM |
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| Fuel burn @ 75%: | 4.3 US gph | |
| Max. cont. RPM: | 5500 rpm | |
| Fuel: | Automotive or 100 LL Avgas |
Can-Zac Aviation Ltd. supplies complete firewall-forward packages for the Rotax 912 powerplant installation, including the engine, engine mount, fiberglass engine cowl, exhaust system, liquid cooling system, electrical system, propeller, all all other accessories.
| Can-Zac Aviation Ltd. supplies a custom-made stainless steel exhaust system with its Rotax 912 firewall-forward kits. The high-quality exhaust system is developed to provide years of maintenance-free operation, and is custom-made for the ZODIAC series and the STOL CH 701. |
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For more information on Rotax engines:
| Click here for a detailed specification page on the Rotax 912 (pdf doc) |
| Click here for a detailed specification page on the Rotax 912S (pdf doc) |
| Click here for a detailed schematic view of the Rotax 912 (pdf doc) |
| Rotax 912S (100-hp) Engine - info on the new 100-hp Rotax 912S |
| Rotax Owners Association News - Service information for Rotax engines. |
| http://www.rotax-aircraft-engines.com (official Austrian site) |
| STOL CH 701: Engine Information |
| ZODIAC: Engine Information |
| Photos of ZODIAC Engine Installations |
| Photos of STOL CH 701 Engine Installations |
Information provided by Rotax . Subject to change or revision without notice.
The above resources are provided for informational purposes only. Alternative engines will affect performance, specifications and flight characteristics of the aircraft. Also, the weight and balance of the aircraft may be adversely affected by alternative engines, and the original fuel system may not be adequate or suitable for some engines. Most alternative engines will require a custom engine mount and engine cowl. Can-Zac Aviation Ltd. does not manufacture or directly support engines.
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Rotax 4-stroke Engine Options & Accessories (Non-Certified) |
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Part No. |
Description
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| 965 347 | Rectifier/Regulator with Connector Housing | |
| 922 665 | Expansion Tank | |
| 881 690 | Vacuum pump drive retrofit kit | |
| 881 700 | Hydraulic variable speed governor retrofit kit (Does not include variable speed governor) | |
| 886 730 | Woodward variable speed governor for 2.27:1 ratio | |
| 886 735 | Woodward variable speed governor for 2.43:1 ratio | |
| 996 889 | Slipper clutch kit for reduction drive - retrofit kit | |
| 975 796 | Air guide baffle | |
| 922 327 | Overflow bottle | |
| 996 593 | Fuel Pump | |
| 810 980 | Ignition Cover | |
| 995 697 | Radiator - Outside measurements 415 mm x 143 mm | |
| 922 312 | Expansion Tank (90 deg.) | |
| 922 317 | Expansion Tank (180 deg.) | |
| 886 027 | Standard Oil Radiator (912 UL, 912A and 912F) | |
| 886 028 | Oil radiator for 912 ULS - mid size | |
| 886 029 | Large Oil Radiator (912S and 914) | |
| 956 585 | Mounting and fitting kit for oil radiators (bent connections) | |
| 956 615 | Mounting and fitting kit for oil radiators (straight connections) | |
| 978 485 | Exhaust assortment in steel. Includes basic muffler tubes and elbows. Only available in limited quantities | |
| 978 488 | Stainless steel exhaust assortment includes basic muffler, tubes and elbows | |
| 973 675 | Special tuned stainless steel exhaust system for 912 S UL and 912 S | |
| 842 634 | M8 nuts for prop shaft (set of 6) | |
| 842 639 | 5/16" x 20 nuts for prop shaft. (set of 6) | |
| SP2706 | Air filters - 2 required | |
| RU 0810 | Air filters (914 engines only) | |
| 867 756 | Tuned airbox for 912SUL and 912 S engines | |
| 867 753 | Airbox for preheating without drip trays (912 engines only) | |
| 874 300 | Carburetor drip trays (912 engines only) | |
| 837 215 | Flexible cable for RPM Counter (1300 mm) | |
| 837 217 | Flexible cable for RPM Counter (1500 mm) | |
| 966 403 | Tachometer for 912 | |
| 874 230 | fuel pressure gauge kit (0.1 - 10.0 bar / 1.5 - 15 p.s.i.) | |
| 966 670 | TCU monitoring set (cable with dongle) | |
| 887 251 | Nippondenso alternator with drive . 12 v 40 amps |
