When should you consult a professional mechanic for engine problems?

Jul 6, 2015 ... What bike? Forget the electronic ignition for now. Get it right first, otherwise you are introducing new variables. Carbon fouling is a result ... Jan 29, 2014 ... No more fouling of number 2 and the engine runs better then it ever did. Still puzzled about why only one spark plug fouled. Check out the carb. Sep 1, 2014 ... You're not doing your engine any favors like that. Smell, smell is unburned fuel mix coming out the exhaust. this is caused by mis-fire. put a ... ... spark plug because the exhaust smelled quite rich. The plug (original Bosch WR7 DDC4 with two earth points) was heavily fouled with carbon. I cleaned it up ... Sep 8, 2020 ... A YouTube guru on the Nissan VG33 said this plug is more prone to fouling because the oil pools up more in this part of the head due to a flawed ... Jun 1, 2001 ... SO, if your distro went spazmo, it could very likely have caused some plugs to foul (weak spark can do that). ... plug has become carbon fouled, ... Jul 28, 2014 ... ... fouled plugs are more likely to be caused by a fuel problem than an ignition problem." What do you mean by this? If the bike if performing ... May 30, 2014 ... ... plug solid with dirt causing a rich running condition fouling the plug. ... 2005 EZ GO ST fouled spark plugs, Gas EZGO. carbon fouled plug, Gas ... Jan 31, 2020 ... Gentlemen, I have a sooty, carbon-fouled spark plug problem that I ... carbon building up on the exhaust valves causing them to leak. Please see pic of my carbon-fouled spark plugs just taken out today ... The only two things I know of that will cause fouling like that are overly rich fuel ...