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  1. #1
    Super Member MossflowerWoods's Avatar
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    Aug 2011
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    5,757
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    Ladysmith, VA
    Tractor
    Kioti DK50SE HST w/FEL, John Deere LX266 & STX38 Mowers. Stihl MS290 20" bar, & FS190

    Default LX266 Mower smells like gas?

    Folks,

    It is time for me ot do the 250 hour service on my JD LX266 mower and I've got a question. Every morning & evening I come out and fire it up to haul a small trailer with feed and hay up to the horses. Last week or two there is a distinct gasoline smell.

    I cannot find any leaks, everything looks good under the hood. The smell seem strongest at the rear by the tank.

    Is there a vent I need to clean/check or??? Just curious.

    Thanks in advance.
    David
    Former Submariner & Army SGT
    2011 Kioti DK50SE HST, KL-401 FEL w/72" bucket, tooth bar, & Ratchet Rake, 2 rear remotes, canopy, WR Long RBG72 Grapple, Woods BB72X cutter & TSG-50 stump grinder, TSC PHD, & more to come. Mowers 2003 JD LX266 42" deck mower, & old JD STX-38 (12.5 hp).

    Managing 51 Acres of Virginia hills with ponds & streams, mature market timber, riding trails, empty pasture, long gravel drive, veggie garden, & yard.

  2. #2
    Member
    Join Date
    Apr 2011
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    26
    Location
    Birdshill, Mb
    Tractor
    JD 425 +1026r

    Default Re: LX266 Mower smells like gas?

    I had same problem this fall. Happened to be a cracked fuel tank. Small amount would leak out but not enough to drip on the floor. Also check loose fuel line connection.

    Good Luck,
    JD3X

  3. #3
    Super Member MossflowerWoods's Avatar
    Join Date
    Aug 2011
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    Kioti DK50SE HST w/FEL, John Deere LX266 & STX38 Mowers. Stihl MS290 20" bar, & FS190

    Default Re: LX266 Mower smells like gas?

    Quote Originally Posted by jd3x View Post
    I had same problem this fall. Happened to be a cracked fuel tank. Small amount would leak out but not enough to drip on the floor. Also check loose fuel line connection.

    Good Luck,
    JD3X
    JD3X,

    I hope it is ont a cracked fuel tank!!!!

    How did you determine that without removing the tank?

    Thanks,
    David
    Former Submariner & Army SGT
    2011 Kioti DK50SE HST, KL-401 FEL w/72" bucket, tooth bar, & Ratchet Rake, 2 rear remotes, canopy, WR Long RBG72 Grapple, Woods BB72X cutter & TSG-50 stump grinder, TSC PHD, & more to come. Mowers 2003 JD LX266 42" deck mower, & old JD STX-38 (12.5 hp).

    Managing 51 Acres of Virginia hills with ponds & streams, mature market timber, riding trails, empty pasture, long gravel drive, veggie garden, & yard.

  4. #4
    Member
    Join Date
    Apr 2011
    Posts
    26
    Location
    Birdshill, Mb
    Tractor
    JD 425 +1026r

    Default Re: LX266 Mower smells like gas?

    Quote Originally Posted by MossflowerWoods View Post
    JD3X,

    I hope it is ont a cracked fuel tank!!!!

    How did you determine that without removing the tank?



    Thanks,
    David

    I suggest, first fill the gas tank. Then check visually for any gas residue on the tank, or feel the tank if you can reach around underneath or along the sides. Check the frame for any evidence of leaking fuel. If all looks good, the only other place fuel could be leaking is from a gas line.

    Another thought, if this unit has a carburetor, maybe the carb float is stuck open, letting fuel leak in the carb area.

    Hope this helps,
    JD3X

  5. #5
    Silver Member Eric Barney's Avatar
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    Apr 2012
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    148
    Location
    Palm Beach Gardens FL
    Tractor
    JD X540

    Default Re: LX266 Mower smells like gas?

    It could be the grommet that seals the fuel pickup tube into the tank. I would recommend picking one up from JD before removing the fender assembly to check it. That way, when it breaks from trying to remove the fuel pickup, you will have it ready to install.

  6. #6
    Silver Member
    Join Date
    Jul 2010
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    118
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    Rolla, ND
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    John deere 2305, X520 and LX188

    Default Re: LX266 Mower smells like gas?

    I hope that this guy has at least a 5# aBC fire extinguisher in the garage. Last thing he needs is a lawn tractor on fire INSIDE the shed.

    SC

  7. #7
    Super Member MossflowerWoods's Avatar
    Join Date
    Aug 2011
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    5,757
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    Kioti DK50SE HST w/FEL, John Deere LX266 & STX38 Mowers. Stihl MS290 20" bar, & FS190

    Default Re: LX266 Mower smells like gas?

    OK, number one, the mower sits outside under an aluminum awning type thing, not worried about fire risk at this stage.

    Number two, I think I'm MUCH closer to figuring this out (I'm kinda slow at times).

    I've benn checking out the suggestions made and it does NOT seem to be coming from the rear where the fuel tank is. I think it is a very slow seeping and the enclosed picture shows the "wet spot"... I had suspected this spot, so I wiped it and it came back over time.

    Now I cannot seem to figure out WHERE it is seeping from yet...

    Also, it seems to have developed a sharp left veer when I let go of the wheel...

    Any ideas on either?

    Thanks in advance,
    David
    Attached Thumbnails Attached Thumbnails -2012-12-06-08-14-a  
    Former Submariner & Army SGT
    2011 Kioti DK50SE HST, KL-401 FEL w/72" bucket, tooth bar, & Ratchet Rake, 2 rear remotes, canopy, WR Long RBG72 Grapple, Woods BB72X cutter & TSG-50 stump grinder, TSC PHD, & more to come. Mowers 2003 JD LX266 42" deck mower, & old JD STX-38 (12.5 hp).

    Managing 51 Acres of Virginia hills with ponds & streams, mature market timber, riding trails, empty pasture, long gravel drive, veggie garden, & yard.

  8. #8
    Silver Member Eric Barney's Avatar
    Join Date
    Apr 2012
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    148
    Location
    Palm Beach Gardens FL
    Tractor
    JD X540

    Default Re: LX266 Mower smells like gas?

    I would not suspect a wet spot from gas, unless it is actively leaking. (It evaporates too quickly) I see fuel hoses, and the apparent carburetor float bowl, but they appear to be dry. Check your engine oil for any fuel contamination, or if it is becoming overfilled. That would indicate a leaky fuel pump. (If it is a mechanical pump, driven by the camshaft.) Mechanical pumps can leak into the engine oil, and also leak out the vent hole. (On the pump)

  9. #9
    Bronze Member glgeek's Avatar
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    Mar 2012
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    Location
    minnesota
    Tractor
    X728

    Default Re: LX266 Mower smells like gas?

    try spraying a little talcum powder (like foot spray powder) in the area you suspect and see if it shows any traces of liquid.

    ba

  10. #10
    Super Member MossflowerWoods's Avatar
    Join Date
    Aug 2011
    Posts
    5,757
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    Tractor
    Kioti DK50SE HST w/FEL, John Deere LX266 & STX38 Mowers. Stihl MS290 20" bar, & FS190

    Default

    Mower died this am. Made it up the hill with small trailer of hay & feed, and sputtered once and died, just like the seat nanny hits when my too small daughter tries to drive it... would not start... fuel filter? It is due for a service...
    Former Submariner & Army SGT
    2011 Kioti DK50SE HST, KL-401 FEL w/72" bucket, tooth bar, & Ratchet Rake, 2 rear remotes, canopy, WR Long RBG72 Grapple, Woods BB72X cutter & TSG-50 stump grinder, TSC PHD, & more to come. Mowers 2003 JD LX266 42" deck mower, & old JD STX-38 (12.5 hp).

    Managing 51 Acres of Virginia hills with ponds & streams, mature market timber, riding trails, empty pasture, long gravel drive, veggie garden, & yard.

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