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post #1 of 3 Old 05-21-2020, 10:39 AM Thread Starter
 
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coil pack testing out of water

I have a pair of 2007 waverunner HO. I am pretty sure there is a coil pack out on each one since I've had it happen before and I recognize the problem. My question is about how to determine which one is out while I have them out of the water. On a car I usually just unplug them one at a time while the engine is running and it is easy to tell which one is not performing. In this case I am not sure how long it is safe to run the engine out of the water. They also typically idle very rough out of the water anyway and maybe this is not a very good way to check? I am open to other ways of testing as well I am just not sure what that might be. I am hoping to repair these today and tomorrow so they are ready to ride when I get to the lake Saturday. Thanks!
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post #2 of 3 Old 05-21-2020, 01:18 PM
 
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Quote:
Originally Posted by Sooner_Ray View Post
I have a pair of 2007 waverunner HO. I am pretty sure there is a coil pack out on each one since I've had it happen before and I recognize the problem. My question is about how to determine which one is out while I have them out of the water. On a car I usually just unplug them one at a time while the engine is running and it is easy to tell which one is not performing. In this case I am not sure how long it is safe to run the engine out of the water. They also typically idle very rough out of the water anyway and maybe this is not a very good way to check? I am open to other ways of testing as well I am just not sure what that might be. I am hoping to repair these today and tomorrow so they are ready to ride when I get to the lake Saturday. Thanks!
I think I would try testing the resistance of the primary and secondary coils.

Also, since you have two, try changing them between the two if at all practical.


You can't do this to run them on land?
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post #3 of 3 Old 05-21-2020, 01:23 PM Thread Starter
 
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I can test the resistance but I'll need to go get a better ohm meter. The one I'm using is not good enough. I thought about swapping them around but I think both of them have a coil out so I'm still not sure how to narrow it down. Is it safe to let these engines idle for about 2-3 minutes out of the water or is that too long? I've only ever just started them to make sure they work and shut them right down.
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