To search for parts or accessories click on the SHOP tab (left) and search in the shop.

rotax 2-stroke engine maintenance schedules

All information provided here is correct at 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.

A 503 on a Quantum that has done 400 hours should have had:

10 hour engine service and 10 hour gearbox service after the first 10 hours

50 hour engine service at 50 hours TT

100 hour engine service and 100 hour gearbox service at 100 hours TT

150 hour engine service at 150 hours TT

100 hour engine service and 100 hour gearbox service at 200 hours TT

250 hour engine service at 250 hours TT

300 hour engine overhaul and 100 hour gearbox service and replace all rubber parts at 300 hours TT or 5 years old

50 hour engine service at 350 hours TT

100 hour engine service and 100 hour gearbox service at 400 hours TT