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Thread: 02 LT 80 carb question

  1. #1
    Join Date
    Oct 2002
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    02 LT 80 carb question

    There is a little black boot inside the bowl that goes around where the jets screw in. Does this have to be in there? It is starting to deteriorate and I thuink the pieces of it may be what has been clogging up my jets. Can I just leave it out or do I need to get a new one? Thanks!
    2008 KFX450R

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  2. #2
    Join Date
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    Leave it out it does't have to be in there, i don't have that piece in mine and it runs fine, i don't know the purpose of it but don't worry about it.
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  3. #3
    Join Date
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    It's intended purpose is to feed the jets thru the bottom of the bowl. Why they felt the need is a mystery to me.
    I don't install it on the motors I send out. Never a problem.
    2000 GNC 5N\
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  4. #4
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    Thats what I figured. Thanks guys!
    2008 KFX450R

    WWW.IATVHSS.COM

  5. #5
    Join Date
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    Ok. Cleaned the carb & jets, cleaned tank & put fresh gas in. Still just cranks. No spark maybe? Where is the spark plug, and what is the part # for a new plug? Thanks!
    2008 KFX450R

    WWW.IATVHSS.COM

  6. #6
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    Take the seat off and you can see the boot 4 the plug. I use a NGK BPR7HS, did you prime the carb? it runs off of vaccum so if you don't prime it after you have the bowl off it will take 4 ever to start. In the run position the valve works off of vaccum in the prime position the valve flows constant.
    2006 TRX450ER
    HOUSER SLICAST L/T +2.5
    FOX FLOAT EVOL
    FOX PODIUM REAR W/GTT LINK
    LSR AXCALIBAR +2
    LSR STEM +2
    LSR SPROCKET GUARD
    LSR SKID PLATE
    HRC KIT
    K&N DYNO TUNED
    K&N FILTER & POWER LID
    HRC HEADER/HMF CARBON FIBER RACE CORE
    QUADTECH HOOD
    JETTRIM STEP SEAT
    HIPER REARS 9x9 DBL
    HIPER FRONTS 10x5 SBL
    ITP QUADCROSS 20/6/10
    ITP MXR4 19/10/9
    PRO ARMOR FAT PEG NERFS
    BLINGSTAR DC RACER BUMPER
    FASST BARS
    POWERMADD
    PRO ARMOR SKID PLATE
    QUADFORCE GRAPHICS

  7. #7
    Join Date
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    Originally posted by TRX450RACER174
    Take the seat off and you can see the boot 4 the plug. I use a NGK BPR7HS, did you prime the carb? it runs off of vaccum so if you don't prime it after you have the bowl off it will take 4 ever to start. In the run position the valve works off of vaccum in the prime position the valve flows constant.
    Yes I primed the carb. It was acting just the same before I took it apart so I thought the pilot jet was clogged since I had just went rounds with the main jet being clogged. It is getting fuel I am 99% sure so it must be spark. This plug has seen alot of bad gas and running problems so I bet that is my problem. Thanks!
    2008 KFX450R

    WWW.IATVHSS.COM

  8. #8
    Join Date
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    Location
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    Yeah try the plug hopefully that will take care of it, if not p.m. LT80
    here on the boards he is a real help on these things.
    2006 TRX450ER
    HOUSER SLICAST L/T +2.5
    FOX FLOAT EVOL
    FOX PODIUM REAR W/GTT LINK
    LSR AXCALIBAR +2
    LSR STEM +2
    LSR SPROCKET GUARD
    LSR SKID PLATE
    HRC KIT
    K&N DYNO TUNED
    K&N FILTER & POWER LID
    HRC HEADER/HMF CARBON FIBER RACE CORE
    QUADTECH HOOD
    JETTRIM STEP SEAT
    HIPER REARS 9x9 DBL
    HIPER FRONTS 10x5 SBL
    ITP QUADCROSS 20/6/10
    ITP MXR4 19/10/9
    PRO ARMOR FAT PEG NERFS
    BLINGSTAR DC RACER BUMPER
    FASST BARS
    POWERMADD
    PRO ARMOR SKID PLATE
    QUADFORCE GRAPHICS

  9. #9
    Join Date
    Oct 2002
    Location
    Milo, Iowa
    Posts
    877
    Put a new plug in and it fired right up. Runs like a champ now. Finally I have the kids off my back LOL!
    2008 KFX450R

    WWW.IATVHSS.COM

  10. #10
    Join Date
    Mar 2007
    Location
    MORENO VALLEY,CA SO CAL
    Posts
    963
    Good deal glad to see you got it going.
    2006 TRX450ER
    HOUSER SLICAST L/T +2.5
    FOX FLOAT EVOL
    FOX PODIUM REAR W/GTT LINK
    LSR AXCALIBAR +2
    LSR STEM +2
    LSR SPROCKET GUARD
    LSR SKID PLATE
    HRC KIT
    K&N DYNO TUNED
    K&N FILTER & POWER LID
    HRC HEADER/HMF CARBON FIBER RACE CORE
    QUADTECH HOOD
    JETTRIM STEP SEAT
    HIPER REARS 9x9 DBL
    HIPER FRONTS 10x5 SBL
    ITP QUADCROSS 20/6/10
    ITP MXR4 19/10/9
    PRO ARMOR FAT PEG NERFS
    BLINGSTAR DC RACER BUMPER
    FASST BARS
    POWERMADD
    PRO ARMOR SKID PLATE
    QUADFORCE GRAPHICS

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