stbd side weak spark 86 140hp

8up

Petty Officer 3rd Class
Joined
Nov 2, 2003
Messages
98
Hey it's me again with another ?... I searched the post for similar problems without much luck. I can pull off the stbd plug wires one at a time and it doesn't make alot of difference. When I pull off the port one at a time it almost stalls out the motor. I have swapped the coils from one side to the next...no change. I put another powerpack on off of a used motor(running fine)It seemed to help at first..Now it's the same old story........any thoughts. <br />Thanks
 

Hooty

Rear Admiral
Joined
Oct 2, 2001
Messages
4,496
Re: stbd side weak spark 86 140hp

The shift interrupter switch grounds out the stdb. cylinders when shifting. If your engine has one, it might be bad or just out of adjustment. It's located at the shift linkage arm, stbd. side of the engine.<br /><br />c/6<br />Hooty
 
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