Hey my bike just won't start :( i have checked everything and it's all good it has fuel, a spark to the coils, spark from the coils to the plugs, new plugs, new air filter, strong charge from battery.it turns over but does nothing else. it was running perfect then i bled the brakes went to start it agin and it just wouldnt start. can somebody please help me. its an 88 gsx250r gj72a engine. cheers
it was the compression, the idle screw was up to high so too much air was getting in and not creating a vacum. had to call in the pro's (the motor-cycle doctors) they're fricken awesome took him 20 mins to diagnose a get it started and explained what he was doing along the way. cheers flynow for the helpit was the compression, the idle screw was up to high so too much air was getting in and not creating a vacum. had to call in the pro's (the motor-cycle doctors) they're fricken awesome took him 20 mins to diagnose a get it started and explained what he was doing along the way. cheers flynow for the help
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I would check for compression on the cylinders. a engine has to have fuel,fire and compression or it wont run. Check the specs to get the operable compression levels.
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Check all fuses includeing main fuse if all good. While cranking check for spark if spark present check for fuel pressure , if no spark test coil if coil is good I would suspect a bad computer if no fuel pressure you have a bad fuel pump
Hey man, pull the plug wire off to see if there's spark when u crank it - if not then check there's a thin wire with a lug on the coil pack - if wire is on & not damaged then have the coil pack checked
The first thing I would do is a compression test. You say you have spark, but have you actually tested the strength of the spark ? A simple check to see if the spark is strong enough is to take the spark plug, hook it up to the spark plug wire, hand hold the shell portion of the plug roughly a 1\2 inch away from the cylinder head, and crank the engine over. If the spark jumps this gap, you have good spark. If it doesn't jump this gap, your ignition coil or stator coils maybe weak and not producing enough voltage for a good spark.
if the car crankes and wont start there are a few things you need to have for it to run. spark fuel and timing. check for spark at plugs. check for fuel preasure and injector pulse. if these are o/k then check engine timing. if everything is o/k then you probably have a major vacume leak.
it was the compression, the idle screw was up to high so too much air was getting in and not creating a vacum. had to call in the pro's (the motor-cycle doctors) they're fricken awesome took him 20 mins to diagnose a get it started and explained what he was doing along the way. cheers flynow for the help
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