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Are all cylinders firing

"Michael,

There are a coupl


"Michael,

There are a couple different ways to check to see if the cylinder is firing. One easy test is to pull the plug wire of the suspect cylinder. Run the boat, with a screwdriver bridging the plug wire to the engine block - you should see (and here a ticking sound) the arc of the spark.

The other way is to do a compression check to see if you have compression in the cylinder. The arc test is easy / quick and is a little easier to see at night or dim light.

Hope this helps...

-Mike"
 
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