Q: Access to fuel filter??

tkyyro · Dec 10, 2012

I think I'm having the trouble with the filter now. Just cannot get access to the filter, the one that lies on the bottom of the tank.

Do I need to remove the tank? So far only tried thru the fuel pump access under the seat. I could get the in-line plastic filter out but it didn't seem to be too bad. Blowed thru it and air goes thru fine. I did not have torx tools so could not get the tank out.

Is the fuel pump itself connected to the bottom of the tank or just free floating?

Thanks
Tomi

berglsmerg · Dec 10, 2012

Yes the fuel pump is a holder which is fastened to the bottom of the tank, you need to remove the tank off to access it. What is the trouble you are having with the fuel filter ?

tkyyro · Dec 10, 2012

Just checking the white gunk story here...

My bike just started starting really bad one day, and once I got it running it made a bit of a knocking sound. When warm it started much better but decided not to run it more than that. I thought it was the valve clearance trouble, but my friend suggested to check the fuel filter first as it seems like its not getting fuel.
He says the valve clearances could cause the not starting or the sound but not really both at the same time.

Off to the shops then, getting that torx tool.

tkyyro · Dec 10, 2012

So it looks the approach from above style was just time well wasted

HusaBELGfs570 · Dec 10, 2012

I will check this in a few weeks to still starts ok but not that good as in the beginning and valve clearance is ok...
I will order a fuell filter because my 2010 doesn't have it or does it :idea:

tkyyro · Dec 10, 2012

Mine is FE 390 from 20120. It did have the filter, inside the tank. Not sure if the bigger sister is different.

tkyyro · Dec 10, 2012

I have these saucer or ufo-shaped bits on the fuel line, inside the tank. Are they sort of quick release connectors or do I need a tool for these? Do I even need to get these disconnected while cleaning the fuel pump mesh?

Ciao

berglsmerg · Dec 10, 2012

I have found that you can remove the fuel pump with the hoses intact just be careful when you put the pump back in that you don't kink the hoses. Perhaps you got a dud fuel pump ? The engine coolant temp sender can affect how it behaves when starting as well.

tkyyro · Dec 11, 2012

Time wasted. The bike's still not running more than few seconds at time. Filter was quite clean too. So I guess you're right, the pump is dead.
To get a new one in italy could prove difficult. Anything is here….

berglsmerg said:
I have found that you can remove the fuel pump with the hoses intact just be careful when you put the pump back in that you don't kink the hoses. Perhaps you got a dud fuel pump ? The engine coolant temp sender can affect how it behaves when starting as well.

berglsmerg · Dec 11, 2012

Use the search function on this site for options regarding the fuel pump, some have had theirs replaced under warranty others have used after market units with good results. A good idea would be to pressure test the fuel system before spending up your hard earned lira on a part that my not be faulty. 58psi is the nominal pressure.

tkyyro · Dec 11, 2012

Pressure test, my outdoor laboratory does not allow for pressure vessel tests

I have not many things around here. Might take the pump out again and ask around if someone could test it

**How would this translate to Italian……**

berglsmerg · Dec 11, 2012

You must make a "t" in the fuel line between the tank and injector and attach a pressure gauge, this way you can observe the fuel pressure while the bike is running.

tkyyro · Jan 12, 2013

So finally got the new pump. The bike started like it never was out of service, so relieved got it running again.
Thanks

Cheers

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