engine trouble

81 Yamaha XT 250 discussion forum:


engine trouble

engine trouble 
Cory T said 2007-07-05 22:16 
 
i have a 1981 yamaha enduro XT 250. its bogging really bad and nobody knows y. the bikes top speed is about 120kmph but right now im lucky if i can get it up to 60kmph. (the bike is not smoking or burning oil) i have tryed the following:

new spark plug
carb/exeleration pump are spotless
air filter is clean
i changed the oil and filter
the choke is not sticking
the de-compreser is not sticking
i tryed a new coil and wire
and
i followed all the wireing and it looks good

if anyone has any ideas please let me know

thanx cory 
 
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