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694
Joined
5/1/2018
Location
Grand Terrace, CA
US
i have a 2013 ktm 450 xc-f that will not start... i have spark.. i have compression, and the injector is pulsing fuel... no codes show up... i picked this bike up from a person who said it sat for two years and after that it wouldnt start... i replaced the inline filter, cleaned the injector on it and the throttle body... the guy before me moved the tps switch... but i believe i have it set to the correct value, but i may be wrong... he also opened up the air door a ton, so if anybody happens to know a base air gap on that since i cant set it by idle rpm that would be appreciated... i havent checked the fuel pressure coming from the pump to the injector yet, thats my next step, but if anybody happens to have the recommended pressure as well that would be great... bike also has a brand new battery so it doesnt have a low voltage issue...
Timing chain?
Fuel pump and filter?
Fresh fuel?
Some of these had a crimped fuel line from the pump right from the factory. It will deliver some fuel, but not enough.
There is a post on Vital about this with photos.
Have you tried starter fluid to see if it will fire up for a few seconds? If so, you still have a fuel delivery issue.
Spark plug?
Do you have a good bright Blue spark at the plug?
TPS setting should be about .5-.6 volts at idle.
Paw Paw
could be gummed up after sitting that long, especially if it had ethanol.
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