late 80s 50 merc losing spark when warm

[joe osborne]

My 3 cyl loses spark to one cyl about one minute after full throttle. I have changed plugs,wires and coil. What do i try next ?

 

[greasemonkeyozi]

Re: late 80s 50 merc losing spark when warm

Hey joe, is your last name Osborne? Mine is. We might be related. Anyways, you may be having a swichbox going out.<br /> My email address is greasemonkeyozi.com, feel free to email me to get this thing fixed.

 

[joe osborne]

Re: late 80s 50 merc losing spark when warm

greasemonkey check your email add i cant get it to work because of too many digits

 

[The Marine Doctor]

Re: late 80s 50 merc losing spark when warm

Once the problem happens. Swap the wires around that lead to a known good coil and the bad one. See if the problem follows.<br /><br />TMD