Hi I recently got a boat with a 75hp mercury outboard on the back. Was told it has a slight miss and needed to sort it out.
I have done compression test and all were 142-151psi.
have done a spark test and here is what I found.
Only cylinder number 1 was sparking. I tested each plug and lead and...
Hi I recently got a boat with a red band 75hp mercury outboard on the back. Was told it has a slight miss and needed to sort it out. So I've tested it and the miss stopped it revving past 3000rpm when under load. I have done compression test and all were 142-151psi.
have done a spark test and...
