My X1 is coughing and hanging from cold, new plugs, fresh premium grade fuel and no errors showing up on ECMDriod and tps reset, any ideas?

Cheers,
Mark

Leaky o rings on the fuel pump?

Cracked exhaust?

Leaking inlet manifold seals?

What’s the AFV?

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08 Specialized Langster

Hi Nick, thanks for the reply.

I think I can discount the exhaust crack as I've just wrapped them because I wasn't keen on the white ceramic coating that the previous owner paid through the nose to have but on but on a plus's side I think it would have highlighted a crack. AFV if I'm reading it correctly is 102.1? Tomorrow I'll start checking O rings and seals, one thing I have noticed is that the pump sounded odd the first time I powered it up after refitting the tank but put it down to low fuel and maybe being dry?

Cheers,
Mark

why were you refitting the fuel tank , what have you done/ changed/ did you refit it ok IE no trapped or kinked pipes or breathers , just my thoughts

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Buell Ulysses XB12X 06/08

retracing your steps is a good place to begin
we all get it wrong sometimes

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Feros Ferio

You are right, I'll take the exhaust off first in case it's sucking air in

Mark

Check your Engine Temperature Sensor on ECMdroid, mine had a haywire reading as it goes up to 130°C, and sounded like it was firing on one, cylinder now and again, and bogging down (personally I would rather delete the sensor but realise its part of the mapping ). my bike is 2001 and has never had one in the 10 years I have owned it, so with all that heat, they must fail. My pump always sounds like its struggling and engine on, if it hasnt been ridden for a while.....

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Buell X1 lightning 2001 in white