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Hi i have a 1986 gsxr 400 and it only goes up to 7000rpm and when it gets hot in conques out and wont start again till its after cooling down.i cleaned out the carb got new plugs and checkt all the coils to make sure there geting the spark.its a rocket up to 7000rpm like until it gets hot again sumtimes it goes up to 9 and 10000 and it idels perfect and when u touch the trotle the revs fly up.no dead spot like??? any ideas thanks
the problem was the cdi unit.coz tested everything else its loosing the spark from 1 of the coils when it gets hot and thats why it conqs and wont rev properly.thanks 4 your help anywaythe problem was the cdi unit.coz tested everything else its loosing the spark from 1 of the coils when it gets hot and thats why it conqs and wont rev properly.thanks 4 your help anyway
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Probably a bad ignition coil or a bad TFI module (the ignition control module). Much testing could be done to find the faulty part, but I believe if you take the TFI module to a parts store, it could be tested.
I had the same problem a few years ago and it was the coil pack breaking down. If it starts missing before it dies id get a new coil pack. Before u buy a coil pack you need to get it warm again and just before it dies look underneath the vehicle to see if the catalytic converter is starting to get hot, if it is hot and usually getting red hot, its stopped up.It will fool you in to thinking that the coil is bad.
As a first course of action, I strongly suggest that you replace the ignition coil. If the ignition coil gets hot the car may stall or may not start right away till it cools down. The ignition coil is surely faulty and replacement is surely necessary.
Hope this helps and thank you for using FixYa! Have a good one!
The cold pipes means the bike is not firing on those cylinders. Replace all the plugs and start it. Or you will need some elecrical diagnosis. Chaz Moto DC
do you mean wont crank over and start till it cools off? if thats the case it sounds like you got a bad crankshaft position sensor,,thge sensor is fine when its cold and warm but when it gets hot it goes open and the cars computer cant see the rpm and shuts the engine off,and then when it cools off the sensor works again and the car starts and is ok till it gets hot again,if thats the case thats what it is,,,hope this helps,,,about $100 for the part
Its the distributor module. The module in the dist. that tells the plugs to fire. When it gets hot it shuts down till it gets cool again. Had that same problem on several cars.
the problem was the cdi unit.coz tested everything else its loosing the spark from 1 of the coils when it gets hot and thats why it conqs and wont rev properly.thanks 4 your help anyway
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