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The lower two cylinders will jump the 3/8” gap, the top cylinder will not. I switched the coil from the top cylinder to a lower one and still had spark so it’s not the coils. Got an ohm reading out of all of the orange/blue, orange/purple and orange/green primaries in the upper 50s, cdi spec is...
Hey, I finally was able to find some time to get this old motor started and after replacing the stator and power pack it now sounds like it’s hitting a rev limiter when I start it. I’ve never seen this before so am somewhat at a loss for what to do. When I pull the top cylinder plug it will run...
I was finally able to load test the battery, it was good so I left it on the trickle over night. I think my gap tester is faulty because I tested it on another running motor and it wasn’t working. I was able to see spark holding the plug up to the block. I now can get the motor to run, but after...
I’ve run the tests, the only thing that seemed out of the ordinary was the stator that gave me a low resistance according to the cdi guide. I was almost certain that was the problem and found some chaffed wires when I pulled the original stator. The battery has been kept on a trickle in the...
I have a 1995 Johnson 70 with no spark.
Long story short I was working on the carbs, dropped a bolt and stupidly tried to fish it up with a copper wire I had nearby. Something ark’ed on the motor around the power pack area and there was a small spark. Since then I’ve had no spark.
Since my...
I recently went to launch my boat with a 1998 Mercury 115 2 stroke and it started fine but would die after about 10 seconds of idle. I could hear that it was clearly misfiring so I checked compression and spark today and the compression on all four cylinders is within 5 psi of 120 and the spark...
