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rotax 4-stroke technical information

912UL, 912A, 912F, 912ULS, 912S, 914UL and 914F Engines

general including specifications, technical data, serial number position, general info & torques

oil system oil types, oil change intervals, oil level check, oil pressure sensors, thermostats etc

coolant coolant types, radiator caps, change intervals, leaks, overheating etc

fuel system fuel types, avgas, ehtanol, mixture control, fuel filter, pressure, fuel consumption, fuel flow test

ignition & charging resistance, plugs & gaps, wiring, battery, p lead, smd modules, fault finding, etc

turbo overview & general advice

All information provided here is correct at the time of publishing to the best of our knowledge, but Rotax recommendations may change at any time without our knowledge.  It is the engine owners responsibility to ensure that the engine is fit for flight at all times.  The information is provided here free of charge and with no obligation from us to the consumer.  To ensure that you have the correct and most up to date information, you should refer to the current Installation, Operators and Maintenance manuals for your engine.  The information provided here may not be valid for aircraft outside the UK.  Click here for ConAir SportsTerms& Conditions, including website usage policy.

starting including starting techniques,  starter motors, cranking current and poor starting etc

Gearbox serial no position, slipper clutch friction torqu, dogs, loose gearbox, gear ratio, slipper clutch, service

cylinders / valve / head description, compression tests, head gasket?, leaks etc

instruments & senders flydat error codes, tacho problems, oil pressure, egt probe positions, battery

Documentation service bulletins,  manuals, parts lists, ConAir mainteanance article

installation

propeller fastening bolts & torques

Carburetion carb heat, carb balancing, routine maintenance, trouble shooting

overhaul