How Do I check for Spark on a 8HP Two Stroke

carboman

Seaman Apprentice
Joined
Jul 1, 2008
Messages
43
I have a 1995 yachttwin 8.0 hp. How do I check for spark on both cylinders' spark plugs?

Thanks,

Dave
 

samo_ott

Vice Admiral
Joined
Jun 18, 2006
Messages
5,125
Re: How Do I check for Spark on a 8HP Two Stroke

If you just want to check for spark, pull a wire off and stick a screwdriver in the boot and hold it near the block.

If you want to check for a good spark, buy a cheap spark tester at harbor freight or auto zone for under $10 and you can set the gap on it and see the color/strength of the spark.

Why are you checking? If you are trying to see if one cylinder is firing or not, pull one wire off at a time when it is at a fast idle. You see the difference if there is one. And wear gloves when you do it or use a good rag.
 
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