The big nose spinner probably caused air flow issues for the top cowl NACA ducts and lower radiator inlet. This is a Rotax 912A series (originally 600 hr TBO) with 1200 hrs, updated stator winding, oil pump, and fuel pump.

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Comment by Bob McDonald on August 4, 2011 at 8:16pm
Don't laugh this CH601HD is built light, powered by the Rotax 912 80hp with the thick high lift wing...C-IDUS is an Advanced Ultralight with the heart of a grass strip STOL aircraft. And it cruises 10 mph faster than my 100 hp Rotax 912S CH750. A very forgiving aircraft that is so easy to fly your Grandmother could fly it.
Comment by Andre Levesque on August 4, 2011 at 11:00am
You lowered the wings on your 750?  LOL

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