2003 Yamaha YZ 125 "motorcycle won 39 fire" Questions

...won't last very long in a 125. For racing, it's changed every race. For joy riding 15-20 hours of run time and it's time for a ring at least. Weak compression can make it impossible to ...

...won't start .. other then a new airfilter/sparkplug ,... is there something im missing ... if the plug is sooty your float is set wrong the air filter should have oil on it to catch dirt.sounds ...

Motorcycle won't fire Bike turns over, carb has been cleaned (2 jets and idle mixture set), plug is new and has a spark (how strong it is, not sure). bike won;t even fire with starting fluid!!! ...

won't even try without it. There's gas in the lines going to the carbs but I can't figure out why it won't fire. Any ideas? Hi,has the bike sat for any length of time? If so, the carbs

...won't start, the battery was damaged so i have replaced it and now it's turning over nicely and all the lights are nice and bright, with full choke it occaisionally fires once or twice as if ...

...won't start but will fire up for few seconds 49cc engine starter motor turns over but doesn't start the engine the kick start fires it up but only for a few seconds Suspect a dirty fuel ...

...won't start 08 can-am has fire won't start For my 2 cents it takes air,fuel and spark for fire to exist,timing could be off,I would make sure all fuel lines were clear,check for water or ...

...the problem. Right before it died it back fired and moved my bike forward alittle now it won't go back into neutral and only clicks 2 gears can anyone help are the teeth on the clutch plates

...won't start. Sat about a month. Has good spark, turns over good but no attempt to fire up. Compression is good. Have any ideas? 2001 suzuki 650 savage won't start. Sat about a month. Has ...

won't idle no fuel in fueline...will fire but won't idle No fuel in the fuel line = fuel valve off or no fuel or serious clog somewhere between the tank and the observation point. Fix this