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Thread: 85 250R carb loading up. I need help!

  1. #1
    Join Date
    Mar 2007
    Location
    Whitby, Ontario
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    137

    85 250R carb loading up. I need help!

    I just got my carb rebuild kit from hyperparts. I have installed all the components accordingly. I have set up the air screw with the recomended initial setting of 2 turns out. I have set the gapof the plug to .030. No matter what I do,it is still loading up. I haven't had a chance to check the level of the float bowl. I have cleaned it inside and out. It looks brand new. No blockage on any orifice that I can find. When I kick it over she just bogs over til she dies. When I remove the plug, it is soaked with fuel. I would blow it out again and try something else, but still keeps on loadingup. Can the choke assy. have any affect on this problem? I haven't looked into that yet, but I will tomorow. I tried starting it with the choke up, then down. No luck. Any other things to look for that I can check out when I get home tomorow. I'm trying to get as much info tonight. I have been 7 days, 90 hour weeks for the past 2 weeks and will be like that for the next 3 more, so my time is limited. Please help...

    Yamaha YTM200K 1983 (1)
    Honda ATC200 1980 (1)
    Honda ATC200 1983 (1)
    Honda ATC200M 1984 (1) No Motor Yet!
    Honda 250R 1985 (1)
    Yamaha 2005 660 Grizzly Special Edition

  2. #2
    Join Date
    Jan 2007
    Location
    Utah
    --
    644
    Check your floats and make sure they arent collapsed or saturated with gas. Also check your needle and seat, or float valve, because if that is worn then when the floats push it up it cant seal off properly and will allow gas to continously flow into the bowl.
    Good luck!!
    A few wheelers, + an
    '73 Honda 49cc Mini Trail
    '85 200 Big WHEEL

    "Despite the cost of living, its still popular."

  3. #3
    Join Date
    Jan 2007
    Location
    Masshole
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    2,191
    check your reeds, a broken reed can do that

  4. #4
    Join Date
    Mar 2006
    Location
    Oregon
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    2,471
    Your Needle & throttle slide remove it and re-install ( tap it few time's as your setting it in ! )

    Work's like a Charm

  5. #5
    Join Date
    Mar 2007
    Location
    Whitby, Ontario
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    137
    The jet is #142. the slow jet is # 52. I fixed a burr in the fuel shut off seat. Now its not coming out the over flow tube. I started at 2 turn out with the air mixture needle. It wants to start but dies. When I check the plug, its a little wet, nowhere near what it was before. Im wondering if the plug has now gone south. Can a plug go bad from sitting around for so long without being in operation? This trike has only had 2 tankfuls of gas in the last 7 years. Who knows, this could still be the originalplug. It is a br9es. I'llgo and get a new one tomorow anyways. LMK what you think.

    Yamaha YTM200K 1983 (1)
    Honda ATC200 1980 (1)
    Honda ATC200 1983 (1)
    Honda ATC200M 1984 (1) No Motor Yet!
    Honda 250R 1985 (1)
    Yamaha 2005 660 Grizzly Special Edition

  6. #6
    Join Date
    Mar 2006
    Location
    Oregon
    --
    2,471
    Buy 5-6 plugs BR8ES work
    Perfect !

  7. #7
    Join Date
    Sep 2004
    Location
    Phoenix, AZ.
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    Blog Entries
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    Quote Originally Posted by filipinoredneck View Post
    The jet is #142. the slow jet is # 52. I fixed a burr in the fuel shut off seat. Now its not coming out the over flow tube. I started at 2 turn out with the air mixture needle. It wants to start but dies. When I check the plug, its a little wet, nowhere near what it was before. Im wondering if the plug has now gone south. Can a plug go bad from sitting around for so long without being in operation? This trike has only had 2 tankfuls of gas in the last 7 years. Who knows, this could still be the originalplug. It is a br9es. I'llgo and get a new one tomorow anyways. LMK what you think.
    Oh man this is basic 2-stroke 101.

    ALWAYS change the plug when something like this happens. 2-strokes can very easily foul a spark plug in no time flat. Even a brand new one. In fact I NEVER ride my R without 2 spare spark plugs in my tool kit. It's been ages since I've needed one because once you have it dialed in fouling is very rare but, there's nothing worse than getting stranded over such a simple, stupid little thing. BR9ES is what you want. The BR8ES is a hotter plug. You shouldn't need a hotter plug.

  8. #8
    crackshot's Avatar
    crackshot is offline Worthless, would be a vast improvement. Arm chair racerJust too addicted
    Join Date
    Sep 2004
    Location
    Idaho
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    1,024
    Remove the choke plunger and check the rubber tip also. Mine was all chewed up on mine when I rebuilt my carb and had to order new one.
    It was not cheap but works like a champ!
    1980 110
    1982 250R
    1985 200s
    1985 250R
    1985 350X
    Parting out...
    1983 250R
    1984 185s
    PM me for parts



  9. #9
    Join Date
    Mar 2006
    Location
    Oregon
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    2,471
    Sometime's when you re-install the throttle cap & Slide don't sit right ...

    Try Removing it & re-install ... Tap the Carb as you lower it in !

  10. #10
    hoser's Avatar
    hoser is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Nov 2005
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    ILLINOIS
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    # 52 slow jet is stock???

  11. #11
    Join Date
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    Phoenix, AZ.
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    Quote Originally Posted by hoser View Post
    # 52 slow jet is stock???
    For the 1985 carb, yes.

  12. #12
    Join Date
    Mar 2007
    Location
    Whitby, Ontario
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    137

    She's running now

    I bought 3 plugs just in case and shefired up on the second crank. The seller had no idea what he was doing when he opened up the carb to clean it. His intentions were good, but was just unaware of what damage he was causing. I got it warmed up and proceeded to set up the air mixture screw. Everything went smooth after that. I took it down the road for itsmaiden run and did a cat walk unimtentionally in first and in second gear. I'm sure third would have done the same but i was on pavement and it would have hurt if I would have flipped it. Like someone said on another thread when I first got it, ita whole different animal compared to my 200 4strokes and man was he right. Well, thanks for all the help guys, I am planning our first ride with the family this long wekend. Hope you all have a good one!!!

    Yamaha YTM200K 1983 (1)
    Honda ATC200 1980 (1)
    Honda ATC200 1983 (1)
    Honda ATC200M 1984 (1) No Motor Yet!
    Honda 250R 1985 (1)
    Yamaha 2005 660 Grizzly Special Edition

  13. #13
    Join Date
    Jan 2007
    Location
    Utah
    --
    644
    Glad you got it running. I like those little easy fixes that do it all.
    Be safe.
    A few wheelers, + an
    '73 Honda 49cc Mini Trail
    '85 200 Big WHEEL

    "Despite the cost of living, its still popular."

  14. #14
    Join Date
    Jun 2006
    Location
    West Milton, Ohio
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    2
    I know that it appears that the knew plug has fixed your problem and I hope that it has, but if the flooding starts again you may want to check the inside of the gas tank. If it has set for a long time you may have some floaties in the gas that could be getting into your float needle seat. My daughter has a Yamaha 125 3 wheeler and we were having the same flooding problem that you describe. After cleaning the tank the problem has never returned.

  15. #15
    Join Date
    Mar 2007
    Location
    Whitby, Ontario
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    137
    I cleaned that out while I did the oil change, grease, etc. Idid get a bunch of stuff out inside it and used the gas to clean out other parts.
    Thanks. I really should dod that on my other trikes...

    Yamaha YTM200K 1983 (1)
    Honda ATC200 1980 (1)
    Honda ATC200 1983 (1)
    Honda ATC200M 1984 (1) No Motor Yet!
    Honda 250R 1985 (1)
    Yamaha 2005 660 Grizzly Special Edition

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