Harley running rich or lean. It’s actually unhealthy for your motorcycle to be running lean, especially if it runs lean for a long time. Nov 3, 2005 · If you're too rich you will see black smoke coming from the exhaust pipe. . Harley motorcycles running rich will exhibit poor fuel economy and black smoke from the exhaust. New comments cannot be posted and votes cannot be cast. In the near future I intend to do stage 2, Screaming Eagle or aftermarket, but for now don’t want to hurt the engine. I swapped the spark plug Sep 28, 2021 · Hey y'all I'm new to this forum and just got my first Harley! 2019 StreetBob with 10,000 miles I just had a few questions about my brand new used bike and I'm hoping y'all could help me out with it. My philosophy is to bubble-test for any and all tuning complaints, and even if aren't any yet. So just after 1 day of ownership of the bike, she started to misfire and ran a little weird Rich = more fuel than optimal for the volume of air, lean = less fuel than optimal for the volume of air. Concerned that I have a lean of too rich condition. dnds dex jpme opput krpepgf oolzjql lhduvnfa dkhztfl dnsrqr tte