Evinrude 8HP 2 Stroke RPM Measurements

carboman

Seaman Apprentice
Joined
Jul 1, 2008
Messages
43
How do you measure RPM's on these two stroke, 2 cylinder engines. I have an older engin analyzer I used to use on older cars where you clip a pickup lead on one of the spark plug wires. Will this work?

Thanks,

Dave
 

Vic.S

Rear Admiral
Joined
May 4, 2004
Messages
4,719
Re: Evinrude 8HP 2 Stroke RPM Measurements

Yes and no.
It will work but since the 2 stroke fires on every revolution while the 4 stroke only fires on any one cylinder on alternate revolutions it will read double the correct speed.
 
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