magneto ignition 40hp johnson

skipper711

Seaman Apprentice
Thread starter
Joined
May 3, 2012
Messages
39
Can anyone tell me the importance of the 'single upset mark' on the flywheel woodruff key on a '73' 40hp Johnson?

skipper711
 

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: magneto ignition 40hp johnson

Could you a post a pic of it ??
 
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