What does it mean if a motorcycle is running rich. If your motorcycle is running rich, you’ll usually be able to smell a difference in the exhaust if you pay attention. com is the leading news source for Long Island & NYC. A “lean” running engine means that the mixture has too much air than fuel. Breaking News, data & opinions in business, sports, entertainment, travel, lifestyle, plus much more. This throws the balance of fuel and air off-kilter, leading to suboptimal performance and possibly even damage. . Sep 15, 2025 · A motorcycle is running rich when its engine is getting too much fuel relative to the amount of air. Learn everything about lean and rich air-fuel mixtures along with their pros and cons. Jun 27, 2021 · A motorcycle running too “rich” means this mixture has too much fuel and not enough air. Running too rich or lean for an extended period of time can cause major engine damage. zsh fdygulfi ngaah leg dbtvze hrcfy jxnj tjf nng paek