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87 Posts
Discussion Starter #1
I need a new inline ignition tester that will will work on the Polaris 570, 500, 425 etc... My lawnmower ignition tester with the alligator clip doesn't reach down in there.

Thanks..

DTLMG
 

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Premium Member
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87 Posts
Discussion Starter #3
When I worked on cars in the 90's we would use a old spark plug. Just ground the outside to something.
The problem with that is its hard to see if there is intermittent spark on a single cylinder when its running. esp the overhead engines like the 570.
 

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4,025 Posts
Timing light can work, but you can't run it off the ATV battery. Needs more juice. I ran mine off the garden tractor battery
 
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