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 Fuel coming out of top end breather pipe ( WTF)

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kinetica



Posts : 31
Join date : 2011-08-02

PostSubject: Fuel coming out of top end breather pipe ( WTF)   Wed Jan 02, 2013 8:59 pm

HI Guys any information on this subject be great :

GS 550M have put on air filters and taken off air box . when you rev the bike fuel will come out
of the top end breather hole it is mainly fuel with some oil thrown into the mix...
is this a valve problem what am i missing here ?

cheers guys...

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gone fishin



Posts : 541
Join date : 2011-10-26
Location : black country

PostSubject: Re: Fuel coming out of top end breather pipe ( WTF)   Thu Jan 03, 2013 2:22 am

absolute shot in the dark seems unlikley to me to be valve related but run a compression test across your cylinders easy to do get the min psi and max psi from a manual or the net

have you had the float bowls off? is one of the floats sticking ? or a bit of dirt under a needle valve this could cause over fueling

whats it run like when its running?

oh the only way into your speedo is force the pressed on besle off repair it and replace with a new one off ebay
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Pud

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Posts : 359
Join date : 2011-06-06
Age : 50
Location : weeley, Essex

PostSubject: Re: Fuel coming out of top end breather pipe ( WTF)   Mon Jan 07, 2013 9:14 am

if fuel had dried out in the carbs you could have petrol varnish on the float needle best strip and have ultra sonic cleaned
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