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View Full Version : very weak spark on atv 70



YTZ250#1
04-09-2010, 01:34 PM
my boss just bought a atv 70 for his kids.it ran when he got it but hasnt started sence.I looked it over & it is geten plenty of fuel &very weak spark. could this be a bad coil or just the wire? It has a brand new plug.I waswondering if any 1 on here has any specs for testing the coil or any other suggestions on what the problem could be? any help is appreciated. thanks.

speedfreek
04-09-2010, 08:42 PM
I was told that coils don't usually go bad. It's probably the CDI box or stator.