Hi there, I fly a microlight equipped with a 582cc Rotax (grey top) motor, The engine has done 280 hrs and still runs like a swiss clock. I would like to ask if anyone knows when to do an engine "de-coke/de-carbon" servicing and whether if it's really paramount to do so, any warning signs and what is exactly involved if so. New ROTAX Engines ROTAX® Repairs Genuine ROTAX® Parts. 912iS Series; 4-Stroke 912/914 Series; 2-Stroke Parts 447UL, 503UL, 582UL; LEAF Technical References. Technical Documentation; Engine Manuals; Service Bulletins; ROTAX Classes; ROTAX Warranty Period BRP-Rotax MAINTENANCE MANUAL TYPE DESCRIPTION The type description consists of the following: e.g. ROTAX 582 UL DCDI mod. 99 / mod. 17 type certification ignition model Designation Designation Description Type 582 Two stroke engine, 2 cylinder in line with rotary valve inlet. Certification UL Approved to ASTM F2339. Find great deals on eBay for rotax 582 engine . Shop with confidence. Skip to main content. eBay Logo: 582 Rotax Aircraft Engine Top end Gasket Set Ultralight Gaskets See more like this. Rotax Service overhaul service manual 582 ultralight aircraft engine 462 532 See more like this. Aircraft Engine Manual and Maintenance Section: Rotax Engine Manuals: Rotax aircraft engine service, manuals, specifications and troubleshooting reports, for the Rotax 185, 277, 377, 447, 503, 532, 582 and 618 Rotax aircraft engines. Rebuilding the Rotax 582 ultralight aircraft engine. Removal-Engine from aircraft . To remove the 582 Rotax liquid cooled engine from the aircraft it may be necessary to remove or disconnect the following if necessary . drain then disconnect cooling system from engine Rotax 582 engine exhaust gaskets. Repairmanuals4u.com sells Service, repair, Parts, Owners & Maintenance manuals for tractors Cessna & Beechcraft aircraft Bolens Yamaha outboard motors. Rotax 582 UL DCDI 99 Pdf User Manuals. View online or download Rotax 582 UL DCDI 99 Installation Manual