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Re: Briggs 14 Hp Motor Want Fire
The way to properly diagnose a spark problem is by isolation. Start with the spark plug, have you tried replacing it? If that doesn't fix it, you need to eliminate the safety switches. Modern lawn tractors have a transmission clutch "neutral" switch, a blade clutch switch, seat switch, low oil switch... What you need to do is disconnect the ground "kill" wire that plugs into the coil. Many times there is a connection that can be unplugged about a foot from where the wire comes out of the coil. If there is none, on most coils that ground wire can be unplugged right at the coil. You'll have to remove the engine shroud to get to it. If that doesn't give a spark, you can be just about sure that the coil is bad. They do fail from time to time.
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