2016 KTM350sxf start issues

Marty Garber
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Marty Garber
Edited Date/Time 4/1/2019 7:44pm
Ok I bought a 2016 350 sxf ran good for about 1/2 hour and shut off wouldn’t restart went out the next day fires right up again ran good about 1/2 hour shut off installed new battery bike won’t start if I use the cold start button it fires up and runs maybe 5 seconds it backfires though the exhaust like it’s out of time take it to a shop the timing is spot on I installed new fuel pump and seems to have good fuel pressure the bike only has 17 total hours on it any help would be appreciated thanks
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Paul_Pitzonka
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Paul_Pitzonka 4/1/2019 2:19pm
4/1/2019 2:19pm Edited Date/Time 4/1/2019 2:22pm
Marty Garber wrote:
Ok I bought a 2016 350 sxf ran good for about 1/2 hour and shut off wouldn’t restart went out the next day fires right up...
Ok I bought a 2016 350 sxf ran good for about 1/2 hour and shut off wouldn’t restart went out the next day fires right up again ran good about 1/2 hour shut off installed new battery bike won’t start if I use the cold start button it fires up and runs maybe 5 seconds it backfires though the exhaust like it’s out of time take it to a shop the timing is spot on I installed new fuel pump and seems to have good fuel pressure the bike only has 17 total hours on it any help would be appreciated thanks
I have seen the O-rings deteriorate on injectors and cause this...
Marty Garber
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Versailles, MO, USA
Marty Garber 4/1/2019 2:58pm
4/1/2019 2:58pm
I assume that it has but unsure just bought it 2 weeks ago with 16 hours on it so it’s set at some point I’m the 3rd owner
Braaaphole
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Braaaphole 4/1/2019 7:44pm
4/1/2019 7:44pm
Mine did something similar, turned out the be the spark plug.
Marty Garber
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Marty Garber 4/1/2019 8:37pm
4/1/2019 8:37pm
I put a brand new spark plug in it already

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CarlinoJoeVideo
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CarlinoJoeVideo 4/1/2019 10:34pm
4/1/2019 10:34pm
I’d make sure the TPS is set correct, make sure injector is clean, good fuel, check/ replace the regulator, check/replace the condenser.

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