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Thread: is this the reason my 350x is smoking picts

  1. #1
    Join Date
    Dec 2008
    Location
    Oregon
    --
    83

    is this the reason my 350x is smoking picts

    is this the reason for its smoking??
    Attached Thumbnails Attached Thumbnails DSC02999.JPG   DSC02998.JPG   DSC02995.JPG  

  2. #2
    Join Date
    Sep 2004
    Location
    Lancaster, PA
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    1,738
    prolly not, that is the effect from it smoking. Check your cylinder, it is prolly worn. If you are this far, have it bored to the next size and install some fresh piston and rings. Before you bore it, check or have a machine shop check to see if it has been overbored already and what size piston you will need to order.

    1985 Tiger 250LC
    1985 Tiger 200LC

    1985 ATC 350X
    1985 ATC 200x
    1973 ATC 70 (resto project)
    ATC 70 Full A+ Suspension Mini Tiger
    and many more!!!
    1991 District-6 Open 4 Wheel 4-Stroke Expert Hare Scramble Champ

    Blue Line Graphics
    Custom and Reproduction Decals
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  3. #3
    Join Date
    Apr 2006
    Location
    SE CA Dez in the sandbox
    --
    892
    Ring job, maybe new piston, and cylinder bore. More exploratory surgery required doctor.
    Have '85 350X-XR500 Hybrid,
    Had Nicholson framed: 90/110, 185s, Gen I 500, Gen II 500
    Had Bandito Framed 90
    Have Vey's Framed 90
    Have too many parts

  4. #4
    Join Date
    Mar 2005
    Location
    overton, PA
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    5,257
    jst take the cylinder to the machien shop and fi they can get you a oversized piston to fit an over bore and new valve seals and o rings and youll be golden!
    ok here goes, 85 atc70,2 84 atc70's 83 alt50,83 atc110 , 70 us 90 parot green, 85/86 350x garage queen, stock rider 85 350x, project 85 350x 85 250r drag bike, 2 85 250sx's, alt185, , scat tracker?99blaster,85 250r rider,85 250r ice racer project ,93 kx500,99 xr200r, 91 dr250s ,89 lt500 quadzilla,88 lt250quadracer, 88 trx250r race full on race quad,, 01 yamahakodiak400, kawaki kd100,lt50 for my doughters,93 300ex, 230 quadsport, lt185, lt250 quadrunner,84200s, is that enough?

  5. #5
    Join Date
    Dec 2008
    Location
    Oregon
    --
    83

    350x

    the only thing i dont understand is that it gets really good conpression

  6. #6
    Join Date
    Nov 2004
    Location
    Waterloo IL
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    2,701
    Quote Originally Posted by coleaclark View Post
    the only thing i dont understand is that it gets really good conpression
    That just means the compression rings are sealing but the oil ring is not.
    08 Outlaw 525s
    07 CRF70
    04 Harley FLHRCI
    04 TRX90
    03 XR650R
    03 400EX- XR650R engine
    02 XR100R

    01 Banshee
    00 XR50R
    00 XR70R

    99 PW50
    99 JR50
    96,95 Sportsman 400
    95 Xplorer 400
    94 Indy XLT
    87 Trail Boss
    86,86,86,86,86 Scrambler

    86 TRX70 x2
    85 ATC350X
    85,84 ATC250R

    85 Red Tecate
    85 LT50 x2
    84 XR500R
    84,84,84,84,83,82,80,79 ATC70
    82,79 XL500R

    83 ALT50
    79,78,77,77,76 XT/TT500
    76,75,74 XL70
    72,71,71,71 SL70

    72 Harley FX
    72,71,70,70,70,70,70 CT70H
    72 SL100
    70,69 Z50

  7. #7
    Join Date
    Mar 2006
    Location
    PA
    --
    3,515
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
    90s......89 Suzuki quad racer 250 (raced 250 A class for 6 years, late 90s.. custom framed 250x with long travel shocks and a built 350x motor.... built Honda 110
    00s...... chomeoly framed 350 RX with all the goodies (thanks to my bro)
    2012.....Replaced the 350x motor for a 444cc YZ426
    WWW.HREATV.COM

  8. #8
    Join Date
    Oct 2007
    Location
    Grosse Tete, LA
    --
    3,440
    It really helps, and shows progression, if you create a single thread for your bike, and then later edit the title as needed.

    You need... Wait, it's already been answered.

    Other members offerring you answers won't have to look for multiple threads.

  9. #9
    Join Date
    Mar 2006
    Location
    PA
    --
    3,515
    Quote Originally Posted by The Goat View Post
    It really helps, and shows progression, if you create a single thread for your bike, and then later edit the title as needed.

    You need... Wait, it's already been answered.

    Other members offerring you answers won't have to look for multiple threads.
    i think thats asking to much of him....lol
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
    90s......89 Suzuki quad racer 250 (raced 250 A class for 6 years, late 90s.. custom framed 250x with long travel shocks and a built 350x motor.... built Honda 110
    00s...... chomeoly framed 350 RX with all the goodies (thanks to my bro)
    2012.....Replaced the 350x motor for a 444cc YZ426
    WWW.HREATV.COM

  10. #10
    Join Date
    Oct 2007
    Location
    Grosse Tete, LA
    --
    3,440
    A cheaper option is to buy a pack of nicorette and put it in your gas tank... Might not stop it completely from smoking, but it certainly won't enjoy the smoking anymore.

  11. #11
    fatcat is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Dec 2005
    Location
    tn
    --
    247
    Quote Originally Posted by The Goat View Post
    A cheaper option is to buy a pack of nicorette and put it in your gas tank... Might not stop it completely from smoking, but it certainly won't enjoy the smoking anymore.
    wow................... ^^^
    My rides

    MINT 1986 bw 200


  12. #12
    Join Date
    Oct 2008
    Location
    NB, Canada
    --
    852
    I had a 200m that smoked badly, but it still had very good compression. The problem I had was the rings were from a different cylinder and didn't seat right. The rings didn't wipe the oil off the cylinder wall as the piston went down. A new set of rings and honing might fix it, if the cylinder dosen't need to be bored oversized.
    Rides:
    1985 250sx
    1982 ATC185s
    1984 200es

    Always Hoping For a Maritime Trikefest- http://www.3wheelerworld.com/showthr...s-where-you-at

    "Wear Limits Are Just A Suggestion"

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