Find great deals on eBay for rotax 582 engine . Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. T=1?" ALLOY RADIATOR FOR 995-699 ULTRALIGHT ROTAX 582, 618 UL 2-STROKE ENGINE See more like this. SPONSORED. The turbo charged Rotax 914 series offers more performance at high altitudes while keeping weight at a low level. This series offers a time between overhauls of 2.000 hrs and is available as certified (Rotax 914 F) according to FAR 33 and JAR-E and non-certified version (Rotax 914 UL). Some testing is still on going, but so far results look good. Rotax Rick's specialty is a Rotax 618/670 (78mm x 70mm) 669.2 cc twin conversion to dual ignition, to generate around 92 horsepower. He accomplishes this using a custom dual plug head and Rotax's dual ignition, with a custom tuned exhaust. Find great deals on eBay for rotax 618. Shop with confidence. Skip to main content. eBay Logo: T=1?" ALLOY RADIATOR FOR 995-699 ULTRALIGHT ROTAX 582, 618 UL 2-STROKE ENGINE See more like this. Aluminum Alloy Radiator Fit Kitfox 1997 w/Rotax 532/582, 618,670 2 stroke engine. Brand New. The main difference between 618 and the 582 besides bore and stroke is the exhaust reed valves, this gives the 618 a higher altitude operation. All the carbs and ignition systems are transferrable from the 503 and 582. It has a different exhaust system. All the other issues written on the replies are also correct. Comparing the Rotax 912 and the Rotax 2 stroke engines for cost of operation in 1997. 912 vs 582/618 - 4 stroke vs 2 stroke . One of the most neglected and probably most costly items on light recreational aircraft today is the engine, especially if it is a 912 Rotax. UL mod. 99 and type 618 UL), inspect the area around the witness hole for fluid leakage prior to every flight. NOTE: A low humidity at the witness hole area is normal and must not be Based on the proven concept of the Rotax 912 S/ULS engine the new Rotax 912 iS Sport engine of