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  1. #11
    Fz6Junkie (OP)
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    Re: Smell of raw gas after rides

    Holy crapola! That's scary. I'm going on a ride today so I'll let you know if any of this cured the problem. Thank you.

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  3. #12
    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: Smell of raw gas after rides

    Any updates?
    Scott
    2007 Yamaha FZ6- BD43 headlight mod, PIAA bulbs, Stebal air horn, Scorpion SS pipes-(no DB killers), Speedohealer, HEL SS brake lines, Fenda Extenda, K&P SS re-usable oil filter, custom mounted BMW style electrical outlet(L.S.), Techmount GPS mount with handlebar bar risers/set backs, additional helmet lock, custom mod'ed seat(Spencers), Hyper light-rear running/brake light, custom radiator/fan protector, Techspec tank pads, Grip Puppies, Yamaha rear rack with custom aluminum flat rack.

  4. #13
    Fz6Junkie (OP)
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    Re: Smell of raw gas after rides

    Sorry, I wanted to ride a couple times to do a couple checks. I did a 4 hour ride over the weekend and an hour ride yesterday afternoon and dammit, I still smell it. Right when I jumped off the bike, I smelled around the lower part of the tank where the engine heat flows out and I don't think I smelled anything other that hot engine heat. I guess that means it's not that strong anymore or I'm just turning nose blind to it. I smelled the gas cap (closed and locked) and I do smell the raw gas smell but that too may be normal and the tank was half full.

    All I know is that it wasn't doing this from December to March in the East Tennessee winters where most mornings were in the low 30s and afternoons were in the upper 40s to 50s. I never smelled anything while riding or when the bike was cooling down in the garage. Now I smell it all the time and the only difference I know is that we're riding in 95 degree heat and humidity. Could that just be causing more tank pressures that I'm somehow smelling? I guess I can try a cooler night ride for an hour or so and see if it still happens. If so, I guess i can look into the o-ring issue mentioned earlier.

  5. #14
    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: Smell of raw gas after rides

    Before pulling the tank, remove the tank cap. Three of the six allan head bolts hold it on. With it off, gently blow (with compressed air) thru the vent / hoses to make sure all is clear.

    What you'll see after pulling the cap:




    While the cap is off and with some extra hands(to block openings), lift the tank and pressurize it (as if hot in the sun and fuel is expanding).

    You should now be able to see any fuel leaking from the fuel pump seal (if need be, spray some soapy water-like looking for a hole in bicycle tube) for air escaping.
    Scott
    2007 Yamaha FZ6- BD43 headlight mod, PIAA bulbs, Stebal air horn, Scorpion SS pipes-(no DB killers), Speedohealer, HEL SS brake lines, Fenda Extenda, K&P SS re-usable oil filter, custom mounted BMW style electrical outlet(L.S.), Techmount GPS mount with handlebar bar risers/set backs, additional helmet lock, custom mod'ed seat(Spencers), Hyper light-rear running/brake light, custom radiator/fan protector, Techspec tank pads, Grip Puppies, Yamaha rear rack with custom aluminum flat rack.

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  7. #15
    Fz6Junkie (OP)
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    Re: Smell of raw gas after rides

    Thanks. I'll give that a try. After my two hour ride tonight, there was no smell of gas in the garage and the only thing I did different was leave my tank bag on the bike. So that means the smell is coming from the cap somewhere. Kinda gels with what your suggesting to do.

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