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Hi all
I started my bike yesterday after 2 weeks not riding, and it started and idled fine but when I tried to pull it struggled and I knew right away it wasn't firing on all 4.
Downpipe 1 was cold the other 3 were hot.
I took out all 4 plugs, number 1 plug had wet oil on the electrode but the other 3 were looked absolutely fine.
What problems am I looking at here?
Thanks gang.
 

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Hi its fouled a plug , simple things first it may just have flooded so don't go mad start by changing the plugs around keeping a note of which plug was the wet one (make sure its dryed out first) then see if the missing cylinder has changed, if so its the plug, if not check things that only serve that cylinder so the carb , has the choke stuck on ? Is the carb flooding? If so check float valve has no dirt in it and float hight
 

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If you do the above, and it sits for a while, and you find wet oil on the plug - it could be a leaking valve guide seal. There aren't really any other sources of oil on the plug on an engine that has stood for a while.
 
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