snowblower, intermittent spark


Old 10-26-03, 10:10 AM
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snowblower, intermittent spark

I have a 5 h.p. Ariens snowblower (about 20 years old). It doesn't start and I noticed that it sparks once every few turns (as I manually spin the impeller by hand). I'm not sure how often it supposed to spark.
Is there a good way to test the magneto?
Is it hard to access the magneto?


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Old 10-26-03, 10:48 AM
mower17's Avatar
Join Date: Feb 2003
Location: southern louisiana
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One reason why it wouldn't spark on every turn is because you might not be spinning it fast enough by hand. Also, if there is rust on the flywheel, it would keep the coil from making a good strong spark. The coil is located under the shroud. Just remove a few bolts and remove the shroud. I there is rust on the flywheel, sand it off. And you might also want to check the gap between the flywheel and the coil. It should be the thickness of a buisness card. Hope this helps!!!!!!!
Old 10-26-03, 12:40 PM
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Since it is on an old Ariens, and you have the shroud already off
and do not see the coil, then the coil and points are under the
flywheel on this old Tecumseh.
Put the starter cover back on, and look at the fuel system instead
since you can get a spark or two from just spinning it by hand.
Put a dribble of fuel in the spark plug hole and reinstall the plug
and try to start. If you get a chug or two, get back to us and we
can give you tips on how to clean out your carb, if not, check the
spark with the pull starter back on, and let us know what you

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