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Engine won't start

  • Tony Garrett
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1 year 3 months ago #14493 by Tony Garrett
Tony Garrett created the topic: Engine won't start
2010, 100 hp uls with about 800 hours. Tried to start this morning and got serious kickback every time I tried to start. I fly 2-3 times a week. Engine always starts and runs smooth. Carbs sync'ed in last 10-12 hours. Carb bowls have gas in them. Fuel tanks full with fresh autogas.

With both mags off, prop turns fast and smooth - no engine firing. With one mag on, prop turns fast and smooth - no engine firing. With both mags on, prop turns with serious kick backs.

Suggestions?
Tony

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1 year 3 months ago #14494 by Roger Lee
Roger Lee replied the topic: Engine won't start
Put a gallon ice bag around the ignition modules for 30 min. then try and start it. If it cranks right up buy a pair of new ignition modules. Try this first as it is a cheap and easy diagnostic check.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-574-1080 Home (TRY HOME FIRST)
520-349-7056 Cell
The following user(s) said Thank You: Guilherme Tomazini

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4 months 4 days ago #16981 by Patrick Caron
Patrick Caron replied the topic: Engine won't start
Have you tried the Roger's suggestion Tony or solved your problem in other way?

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4 months 4 days ago #16982 by Tony Garrett
Tony Garrett replied the topic: Engine won't start
Yep, Patrick, I tried the ice bag. It seemed to point that an electric ignition module was bad. I put two new modules in and the engine started fine. Note Lockwood Aviation has a module tester and I have heard they will test your modules for free. The modules are $1000.00 each
Tony

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1 month 1 week ago #17753 by Arthur Götz
Arthur Götz replied the topic: Engine won't start
I once blew both my ignition modules when I connected a battery charger with reversed polarity. Carmo ( www.carmo.nl ) repaired them for less than a quarter of the price for new ones.

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1 month 1 week ago #17755 by Tony Garrett
Tony Garrett replied the topic: Engine won't start
Great information. Do you who makes the Rotax ignition modules? Seems like Carmo wants to know the make when you send them in
Tony

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1 month 1 week ago - 1 month 1 week ago #17756 by Arthur Götz
Arthur Götz replied the topic: Engine won't start
It's made by Ducati. They called mine the "ROTAX 912, SMD-ELECTRONIC DUCATI ENERGIA, BREVETTO, 881280". Give them the Rotax part number before you ship, some of the modules incorporate soft start, others don't, not sure whether they can repair them all.

www.carmo.nl/index.php?main_page=index&c...sort=20a&language=en
Last Edit: 1 month 1 week ago by Arthur Götz.

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