2007 KTM 250 SX "lean start" Questions

Engine stops when throttle is opened also exhaust glows red at manifold Has major air leak (running seriously lean). If it is hard to start I would check carburation and crank seals.

lean.. It sounds like you have some carburetor issues. I would start by taking the bowl of, which is the bottom cover of the carb, and making sure it is cleaned and free from debris. While in there it

heads when first started, turn red. This is when I use the choke to start. After about 5 min. the red goes away. Too hot means too lean (lean in fuel). If you have custom pipes you must sync the carbs

...start popping and eventually stall if I lean it over just a little I have replaced the lean angle sensor and it is still doing it how can I fix this Fuel pump armature touching the field? Wierd, Fuel ...

...START MISSING AND THEN WOULD GO OUT THANKS FOR ANY HELP LB It sounds like the engine is running a bit lean but it could be spark plugs or wires breaking down under a load. Try another set of spark ...

...the time. However there appears to be a hesitation. those symptons could indicate its jetted a bit lean, try running with the choke on if the hesitation is not there , its definately ...

start when cold, choke or not. I recently put a jet kit in it, hoping that this would help a lean situation. I also took off the carbon canister (California model). I followed the jet kit installation

after starting, if i lean the 99 v92 to the right i hear a metalic clanging noise from the lower right side of the motor. if i lean it to the left no noise is heard. sounds like something let go in ...

...no vaccum issues. An example would be a carburetor that's jetted too lean. Fuel injected can have issues too, but not as common. Start with vaccum first though, it's your best bet check the valves

start.?can the problem be It sounds as though there is a hole in the exhaust causing air to get in, when mixture is a bit too lean air will get in and fire as gases build up in the header pipes. Check