I have a 2005 Johnosn 70HP 4 cyl, 4 stroke, EFI with ignition problems. Cyl 2 & 3 fire 100% of the time, cyl 1 is dead (no spark), cyl 4 fires 80% of the time. I replaced the coil for 1 & 4, and I get identical results.
What should I check next?
Marv
What should I check next?
Marv