Questions & Answers for: Yamaha lean mixture

...goes very far down the pipe your mixture is probably lean. If you continue to run the bike in a lean condition you will likely damage the engine severely, blowing the headgasket or burning the

...idle Check the throttle cable to see if it is sticking. Sounds like your idle mixture is too lean. Does your bike pop on decel? Try adjusting your mixture screw out 1 turn to richen your idle

mixture is too lean. You can adjust this by locating the mixture screw on the carb(carbs) and turning it counter-clockwise an 1/8th turn at a time. This will not affect running above 1/4 throttle, but

...lean fuel mixture problem, and chek for a loose carburetor, intake bolts, dis-connected or missing vacuum lines/caps, or damaged carburetor or intake gaskets. Also, the engine idle rpm might be too ...

...plug on front right Cylinder fails and needs replacing after approximatley 300 miles Seems like ur frnt rght mixture of air/fuel is not good, check the carb and adjust it to lessen the LEAN

...lean mixture than normal.nother Start by inspecting the carb and intake manifolds for any leaks (loose fittings....cracked hoses) that could be drawing in air, leaning the mixture. Another common ...

lean mixture won't bog down, but too lean of a mixture will bring your idle speed up too high I had this same problem, and it happened to be a vacuum hose for the gas tank had come off.  Once

...is when the unit is at rest the carburetor is filling with gas and as it is running because of a restricted fuel flow the level lowers in the carburetor bowl resulting in a mixture to lean to

...mixture may be too lean. Check the spark plug -- if the electrode is white rather than tan, the carb needs adjustment to a richer mixture. Also, kinda obvious, but are you sure there's enough engine ...

lean condition heats up the pipes. Richen up the mixture to keep them cooler. To richen a mixture, if carburetor then turn air/fuel mixture counterclockwise in very small 1/4 turn increments. Not sure