Need to see timing marks so I can chk them on bike,also make sure there is no way to get the pick up coil out of center enough to cause fire thru exaust ie late firing.
Remove stator cover and flywheel (puller required), verify crankshaft key is not sheered, and stator plate is in its proper position. There is no timing mark on that flywheel because it is irrelevant and not needed.
This is most likely not a flywheel timing issue but a CDI timing issue. The CDI timing is governed by the TPS switch on the carburetor telling the CDI when to change timing maps and curves. If the carburetor is dirty and you cranked up the idle to run off the main circuit instead of the proper idle circuit this can happen. Or you have an improperly set, or failed TPS switch on the carb.
SOURCE: i have a kawasaki kx 250 2 stroke an it was
hi murray,
nice bike you have there.
have you checked on the carb ans see if the jet is right and the mixture is normal, this is usually the case if the carb is not tuned right.
better of reset the card, open it clean it, then set to default even if you are using your mixture of gas and 2t. just set to factory default. once it starts give it a few run, 1-2 hours, then set it to how you want your mixture to be.
hope this helps,
regards,
voodoo
SOURCE: no idle &bacfires on deceleration
hi mate on the carb you will find 2 screw 1 is for the idle and the over is for mixture the idle one will be the furthest out screw it in 1/4of a turns will the engine is running this will take the idle up on the engine and the backfiring is fuel in the exhaust not being burnt so on the over screw on the carb screw that in 1/4 of turns this will decrease the amount of fuel going into the engine if it still backfires screw it in 1/4 of turns again and see what difference it makes good luck
SOURCE: KLX 250 won't fire - new battery
-check the fuse right hand side below the fuel tank and seat, see if it is blown.
- Check to see if plug has spark, replace if necessary .
- Did you run the bike with a low battery before replacing it? could be that your stator is shot.
-Is bike trying to start but won't?
SOURCE: Fork capacity on 1991 KX 250
SILKOLENE PRO RSF 5WT or use
SILKOLENE FORK OIL LIGHT
500-MLS OIL EACH LEG
SOURCE: Running a little ruff......popping and hesitation and backfiring.
check to make sure you didn't get bad gas some where is it a cali model be couse your carbs can over flow and you will never know it just all goes into the charcoal canister in the front bottom of the radiator is allow raw gas to enter in the air side of the carb un metered
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