I HAVE A MERC 4.5HP WHEN I OPEN THE THROTTLE FOR FULL POWER IT MISFIRES LIKE HELL WHY!!!
M macbriar Cadet Joined Jun 28, 2004 Messages 13 Jul 12, 2004 #1 I HAVE A MERC 4.5HP WHEN I OPEN THE THROTTLE FOR FULL POWER IT MISFIRES LIKE HELL WHY!!!
WillyBWright Fleet Admiral Joined Dec 29, 2003 Messages 8,200 Jul 13, 2004 #2 Re: merc 4.5hp misfiring Restriction in the high speed circuit in the carb (main jet), or an ignition problem. If you connect a timing light to it, you can see misfiring if it's ignition related.
Re: merc 4.5hp misfiring Restriction in the high speed circuit in the carb (main jet), or an ignition problem. If you connect a timing light to it, you can see misfiring if it's ignition related.
