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Thread: 85/86 250r Questions

  1. #1
    Join Date
    Apr 2008
    Location
    Kalamazoo, Michigan
    --
    814

    85/86 250r Questions

    It doesn't fit for crap, any suggestions on how to make it better fit?
    Pics tomorrow, i feel like crap

    Oh and how important are Radiator shrouds?? They don't fit on my Clarke oversize tank ...

    I wish i could find an exhaust that fit well on my bike and didn't get loose or require "adjusting" to fit correctly....

  2. #2
    Join Date
    Jan 2009
    Location
    Holland, NY
    --
    635
    what doesnt fit?
    TRIKES:
    1985 Yamaha YTM 225 DR Special Edition

    Dirt Bikes:
    2006 Honda CRF 250R

    SLEDS:
    2001 Ski Doo MXZ 600
    1997 Ski Doo MXZ 583

  3. #3
    Join Date
    Apr 2008
    Location
    Kalamazoo, Michigan
    --
    814
    The silencer doesn't fit on the pipe right, had to cut the expansion chamber back 2 inches and put a custom bend in the silencer... Still not quite right. And does not like to sit on the exhaust flange without leaking

  4. #4
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,688
    Sounds like you have a TRX silencer????? The TRX silencer needs a tweek to fit properly. Also, most pipe's need the rubber mounts to make everything fall Into the correct place. If you just try to mount the pipe straight to the frame RIGID, they usually won't fit for

    83 ATC 60-R Cr60 converted with Zinger parts.
    83 ATC 70.
    83 Tri zinger
    ATC 85-R Cr85 engine on shortened 86-R frame.
    ATC450AF
    86 310-R Drag racer
    440 snowmobile powered custom built.
    87 Cr 500 Converted to Drag racer

  5. #5
    Join Date
    Apr 2008
    Location
    Kalamazoo, Michigan
    --
    814
    Dunno...
    Could be. Just tired of trying to get everything to fit right.
    Supposed to have a cobra silencer on the way.

  6. #6
    81k is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Oct 2008
    Location
    Bowling Green, MO U.S.A.
    --
    152
    for the flange, I bought an o-ring flange for my '85R and coudn't be happier. it seals great and you can adjust it like you're talking and it says sealed.
    YT 60
    '85 ATC 200X x2
    YF 60
    '02 400EX
    '85 YFM 200
    '99 Scrambler 400 4x4
    '85 350X

  7. #7
    Join Date
    Apr 2008
    Location
    Kalamazoo, Michigan
    --
    814
    I've got a dual o ring billet flange and it still leaks.
    I cut 2 inches off the stinger and used a piece of galvanized steel for a pipe mount and the stock mounts won't fit on my silencer for some reason.

    Makes me want to punch babies in the face and tell them to man up.

  8. #8
    Join Date
    Apr 2008
    Location
    Kalamazoo, Michigan
    --
    814
    I also need a gasket or whatever the seal is inside the fuel petcock.
    Is there any way to clean a gas tank out that has set for a while?

  9. #9
    Join Date
    Oct 2002
    Location
    Northeast
    --
    17,490
    I'd try a good pressure washer, then slosh some carb cleaner around and PW again.....

    I'm sure other solvents eat gas, but carb cleaner works very well in small amounts.

    Also, like Jason touched on; You'll never get it mounted nice without the rubber mounts. You may get it on there but things will crack in time, best to get some mounts on there and do it right but were all different in our opinions of "right".........
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  10. #10
    Join Date
    Apr 2008
    Location
    Kalamazoo, Michigan
    --
    814
    Yeah, im gonna put the rubber mounts back on, the Galvanized metal was a temporary fix until i could get back to the "Parts Stash"

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