Hesitations and poffing exhaust

westerstroming · Apr 5, 2020

Hi there! Went on a 4 hour trip today, started out great bu after 3 hours of drivning, with maybe a couple of litres left in tank, I lost idle and hesitations when reving. On the way back home it became worse, poppig and shooting when accelerating. Had The same issue when I bought it, after standing still 3 yars, but after I cleanded the nozzle, replaced filter It ran great again. Now to my question, has anybody had problems with the fuel pump or injector, or do you have any suggestions what can be wrong? Have dismanteled fuel tank now, so I Will check if I can find some thing. The bike is a Fe450 2009.
Thanks,

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Phoenix250 · Apr 8, 2020

My spark plug was the problem. The airfilter was toast

westerstroming · Apr 15, 2020

Phoenix250 said:
My spark plug was the problem. The airfilter was toast

Ok, not checked sparkplug, but filter is ok, was a bit dirty maybe. I backflushed injector and now it runs as it should again. I hope, hasnt tried it on Road yet. I ve got about 170 hours on it and not sure if sparkplug is replaced before so think i May replace it anyway.
Thanks!

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Hesitations and poffing exhaust

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