77' 35E77C no spark in upper plug

J

J35

Cadet
Joined
May 31, 2012
Messages
18
This motor came with the boat Ii just bought and has not been run in many years. I have been going through and replacing and repairing as needed and got to the point of starting to fire it up. I have a bad solenoid so I am having to jump the solenoid. I have a spark in the lower cylinder but none in upper. How do I go about testing/checking to determine the problem?

Thanks,
K2
 
D

Daviet

Fleet Admiral
Joined
Sep 24, 2008
Messages
8,958
Re: 77' 35E77C no spark in upper plug

You don't have any points to contend with, I would swap the coils and see if the no spark condition moves with the coil. If it does not move, you might have a power pack problem.
 
J

J35

Cadet
Joined
May 31, 2012
Messages
18
Re: 77' 35E77C no spark in upper plug

ok, I assume i will have to cut the wires that feed the coil to swap as they seem to be molded into the coil and the harnes. Am I missing something there?
 
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