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My 1983 GL1100 is running too rich on #3. The plug turns black with carbon soon after it has been cleaned. The other three plugs look good and all four seem to be within tolerance for sync and I made sure they were gaped to specs. The bike normally idles fairly smooth, and runs pretty smooth, but will start cutting out at full throttle. I really do not want to pull the carbs (again, 5th time) and was hoping somehow the #3 carb could be leaned out, without taking the carbs off the bike. If this has already been discussed, just point me to that page. My fear is that there is really no shortcut here. By the way, I believe the ignition to that plug is good. I had replaced the wires and boots. The last time I had the carbs off the bike, I did make sure the air pistons were moving smoothly and the needle was not nicked.
I would appreciate any help you folks can give me.
My 1983 GL1100 is running too rich on #3. The plug turns black with carbon soon after it has been cleaned. The other three plugs look good and all four seem to be within tolerance for sync and I made sure they were gaped to specs. The bike normally idles fairly smooth, and runs pretty smooth, but will start cutting out at full throttle. I really do not want to pull the carbs (again, 5th time) and was hoping somehow the #3 carb could be leaned out, without taking the carbs off the bike. If this has already been discussed, just point me to that page. My fear is that there is really no shortcut here. By the way, I believe the ignition to that plug is good. I had replaced the wires and boots. The last time I had the carbs off the bike, I did make sure the air pistons were moving smoothly and the needle was not nicked.
I would appreciate any help you folks can give me.