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Mark and Rob from Rotech Research Ltd. upgraded our Rotax 912iS engine with the new Sport upgrades. With the tag line "Stronger. Faster. Higher." the Rotax 912 iS Sport has a modified airbox and intake system that improves its torque curve. The Sport has up to 30-percent better fuel efficiency on average compared to the 912 ULS carbureted engine.
The 912 iS Sport looks similar to the 912 iS but has a new airbox (that is aluminum instead of plastic). Updated software and new calibration support the upgraded engine.
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