Fuel inside the induction boot/air filter box

SwampBergie · Feb 27, 2017

FE450 2009 somehow breaths fuel inside the airbox.
There is also little fuel in motor oil.
Any idea where I should start working this problem?
Its not a leakage for sure.

Thanks for help!

paolo6 · Mar 2, 2017

I have the 650 I never seen the airbox of the new model ...but I am sure it might be the breather as I have the same problem if I rev it after a ride in find some oil on the airbox (not petrol) so I am planning to run the breather outside it or find a solution to keep them separate ...fuel in the motor oil? Uhm i heard of leaking from rad(water) but never fuel ...

Ps there is always some fuel in the oil maybe 1/2% but that doesn't compromise it ...it should evaporate after a ride (not in a startup)

That's my 2 cent

jon andersson · Mar 2, 2017

Maybe it leaks past the valve stems? Then you get fuel into the top where it will get pushed out into the airbox and ofcourse some will go into the oil.

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Fuel inside the induction boot/air filter box

SwampBergie

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