[hornbendr2]

Does everyone else's FJR smell like gas when it's warm or even when you move it when it's cold. I have a check valve on the vent tube behind the motor. I have inspected every fuel hose I can find and found no leaks. Looking at the drawing does not tell you what it is and the Cali models have a carbon filter. Has anyone installed an aftermarket carbon filter? Or really worried about it?

 

[Whooshka]

If you're smelling gas something is not right. Why the check valve?

 

[hornbendr2]

Well. The factory drawing doesn't tell you what it is. Maybe a breather filter. RaYzerman probably knows. I have a 10'. It is at the end of tank vent hose.

 

[RaYzerman]

Perhaps you're confusing it with the airbox drain tube, where there is a filter (on the parts diagram). You do not want a check valve on the fuel vent/drain tube, air needs to get into the tank to replace fuel burned so your fuel tank doesn't collapse. You don't want a cannister, most can't wait to get rid of it.

As for the fuel smell, look for seepage at the fuel pump (see BanditGreg's thread), and at all fuel hose connections, anywhere along the fuel rail/injectors. Maybe put a paper towel down under the fuel pump area.

 

[mikester]

No smell here on my Gen3 unless I overfill or dribble a little on the tank at the gas station

 

[hornbendr2]

I thought it was just the tank venting from the gas sloshing. Especially when the motor is hot.
Thanks Moto Brothers. More searching.

 

[hornbendr2]

My SV did the same thing when it was hot until it cooled off outside before parking it back in the garage.

 

[RaYzerman]

It can slosh all it wants, the vent is via the fill cap, little grommet needs to be clean, and one can dissassemble the cap somewhat to clean up the rest of the vent. If you 'overfill' putting in every last drop you can and then park the bike where the fuel will warm up, it can push some out the vent and you may smell that.... the hose routes from left rear of the tank inside the frame and down into the recess in the middle of the rear of the frame. This is a 'feature' of my Versys, you'll hear a noise as the fuel warms up and there will be a little puddle on the ground...... I learned to not fill as much if I'm just going to park the bike. Anybody with the Cali cannister learned not to overfill an FJR, it "waterlogs" the cannister.

 

[hornbendr2]

Thanks RaYzerman.

 

[Bandit Greg]

I can suggest propping the tank up and inspecting the top of the foil heat-shield over the motor and under the fuel pump.

There's a little valley in the heat shield right there, beneath the pump/hose hook-up... look and see if there is any sign of fuel.. or fuel residue in that valley. Also you can use a dry paper towel (blue shop ones are best for this), wipe it around the aluminum fuel pump flange and see if there's any wetness.

I had a recurrent fuel smell, turned out to be an issue with warpage of the tank sheet metal where the fuel pump bolts into. It cost me a lot of time and labor to figure out. I finally discovered that if anyone had the pump out, then over-torqued the little fuel pump bolts, it can pull the inner nuts inside the tank outward, causing a warped surface.

Fuel Leak

Does this look familiar? I KNEW I was smelling gas. Fuel Pump O-ring..?

www.fjrowners.com

 

[hornbendr2]

Thank you Badit Greg. I will look into this. I don't smell gas when it's running. Just wanted some clarification on the venting. If the tank is mostly full, I notice less fumes. The more fuel in the tank, less expansion, less sloshing.
I just need to let it cool before I put it back in the garage.
Your diligence definitely paid off. We will never know what goes through people's minds when they get a wild hair to fix some things that ain't broke.