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Discussion Starter #1
Got a 2014 250 XCF and it was running a couple of weeks ago. I went to work away for a week and when I returned, it wouldn't start.
I checked spark and it was fine so assumed it was a fuelling issue.
I sent the injector away to be cleaned and it still wouldn't start when I refitted it.
I've tested the coil and it's reading as the repair manual says it should.
New HT/spark plug cap.
Checked valve clearances.
New piston and rings 5 hours ago.
New stator.

Initially I just checked for a spark and that was it. I've now checked the spark and it's intermittent. Sometimes it'll spark a few times then stop, other times it won't spark at all.
Fuel is getting to the cylinder, the spark plug is getting wet.

Does anyone know what it could be?

My next step is voltage regulator/rectifier but I can only find "how to's" for 3 phase ones. Mine has 2 yellow wires from the stator coils and a red, white and green from the pickup.
 

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6 Posts
Discussion Starter #3
Disconnect the kill switch and try it then. Could be a cheap solution before you start taking 1/2 the bike apart.
I thought I already had but i've been unplugging my map switch ??‍♂

Map switch/kill switch swapped for original kill switch, I now have a constant spark but it still won't start.

Checked valves again, all within spec

Had a play around with the TPS setting anywhere between 0.48 and 0.70 but still won't start ?‍♂
 
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