Jul 14, 2011 #1 AkNomad Active VIP Member Joined Feb 2, 2010 Messages 1,541 Reaction score 1,775 Location Alaska I put a new iridium NGK plug in my Foreman and did a plug chop on it. It appears that it's running a bit lean so I need to fix it. Anyone know how to richen my mixture up a bit?
I put a new iridium NGK plug in my Foreman and did a plug chop on it. It appears that it's running a bit lean so I need to fix it. Anyone know how to richen my mixture up a bit?
Jul 14, 2011 #2 Garryese Active VIP Member Joined Jul 8, 2007 Messages 624 Reaction score 35 Location Edson, Alberta Assuming you started with a clean carb.... If the chop was at WOT change the main jet; one size larger If at half throttle lift the needle (drop the clip) one notch Beware that iridium plugs take a longer run before the chop to get a good read.
Assuming you started with a clean carb.... If the chop was at WOT change the main jet; one size larger If at half throttle lift the needle (drop the clip) one notch Beware that iridium plugs take a longer run before the chop to get a good read.
Jul 15, 2011 Thread starter #3 AkNomad Active VIP Member Joined Feb 2, 2010 Messages 1,541 Reaction score 1,775 Location Alaska Well I got it fixed by adjusting the air/fuel mixture screw and now the plug is a nice caramel color and no more backfire either.
Well I got it fixed by adjusting the air/fuel mixture screw and now the plug is a nice caramel color and no more backfire either.