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Thread: help with my atc

  1. #1
    Join Date
    Oct 2011
    Location
    Albuquerque,NM United States
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    3

    help with my atc

    I just joined 3ww so i hope im posting this in the right place. I just got a honda 1982 185s from my grandfather who had it sitting outside for at least ten or so years. he gave it to me to fix up. so far i put in about $700 on it. I have one big problem. It starts up great and idles great but once i start to increase the throttle it starts to bog down and sputter when i get about have throttle. it has a brand new carburetor, air filter, spark plug, oil,and starter recoil, and a few new body parts and tires. I was told to adjust the valves to .002in so i did but it didnt change. it still does the same thing. when i open the choke even half way it revs up like crazy. i also have the carb to factory specs. i really dont know whats wrong and its really pissing me off. i hope someone has some suggestions.

  2. #2
    chuckiedog04's Avatar
    chuckiedog04 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Mar 2011
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    minnesota
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    369
    if its a chinese carb sometimes they go to junk

  3. #3
    Join Date
    Oct 2007
    Location
    Minneapolis mn
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    4,067
    Raise the needle on the slide 1 notch... Sounds like mid range is lean.
    No trikes. Too old, too crippled. Unless I find one I can't live without!
    "You cant fix stupid" ~ Ron White
    My feeback link: http://www.3wheelerworld.com/showthr...ack-for-Thorpe

  4. #4
    Join Date
    Jul 2010
    Location
    glendive, montana
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    1,822
    have you sprayed carb cleaner around the intake boot yet? I hear the possibility of a air leak

  5. #5
    Join Date
    Feb 2011
    Location
    Sarnia, Ontario, Canada
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    3,415
    You put $700 into a ATC185 that spent 10 years outside??

    You sure must love your grandpa!!
    Current toys..
    1986 Honda 350X..trail bomb!
    1985 Honda 250SX..my main mudder
    1985 Honda 250ES..Back in Black Trike
    Current non-trike toys:
    1990 Honda TRX300FW
    1995 Seadoo GTX
    1998 Polaris Indy Lite 340(Nearly new looking)
    1998 Polaris Touring 500
    1998 Club Car (electric)

  6. #6
    Join Date
    Oct 2011
    Location
    Albuquerque,NM United States
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    3
    I own the atc now. My grandfather said that i could have it if i fixed it up. I have tried moving the needle on all positions.
    I do think that its a chinese carb. do i have to order a new one? I haven't used the carb cleaner on the outside of the intake but
    i will try it. I will keep you posted
    Thanks everyone for your input

  7. #7
    Join Date
    Feb 2011
    Location
    Sarnia, Ontario, Canada
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    3,415
    Try and find a decent used carb from one of the members here..clean and service it.

    I bought a cheapo carb from ebay for my 300 Fourtrax..thought it was better than cleaning up a 20 year old carb. It ran like crap!!!

    After about a week I took it off, clean and rebuilt the old one..been running great ever since.
    Current toys..
    1986 Honda 350X..trail bomb!
    1985 Honda 250SX..my main mudder
    1985 Honda 250ES..Back in Black Trike
    Current non-trike toys:
    1990 Honda TRX300FW
    1995 Seadoo GTX
    1998 Polaris Indy Lite 340(Nearly new looking)
    1998 Polaris Touring 500
    1998 Club Car (electric)

  8. #8
    Nubbinz is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Apr 2011
    Location
    Winchester, VA
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    171
    I bought mine for 600 in good cond and its an 83 which has actual front suspension. And I thought i over payed even when it ran. Id test for a vacuum leak as stated above. sounds to me like its starved for fuel when you rev it up. it takes an insane amount of extra fuel to actually rev it up rather then slow it down. Its giving it not enough which is making it run really hot which speeds up your engine. Or the jets are letting too much fuel thru which is basically like its having the throttle pressed in when it shouldn't run like that. I dont like replacement carbs, Ive never had to "rebuild" one. I just tear them apart spray every inch with carb cleaner and wipe it out with a clean rag, I dont put in new jets springs etc. If gaskets rip I just shoot silicone caulk around where the gasket went. If you got the stock carb just use that and just do what I do, if it runs alot better then you might want to buy a $35 rebuild kit with gaskets springs etc so you know your carb will stay good.

  9. #9
    Join Date
    Jun 2010
    Location
    Texas
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    137

  10. #10
    Join Date
    Oct 2011
    Location
    Albuquerque,NM United States
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    3
    ok so i took the tube like part off between the carb and manifold and the gasket was in pretty bad shape.
    i replaced it and put everything back together and now it wont start at all. i dont know what the hell to do now.
    it was running rough before i did that. can it be the way i adjusted the valves? When i adjust the intake valve at
    TDC do i have to roll it over halfway to do the exhaust valve or do i do it do it at TDC as well?

  11. #11
    Join Date
    Dec 2009
    Location
    BFE
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    1,202
    If you have your engine at TDC both rocker arms should be loose(have play in them) or your not at TDC and you should try rotating the motor again.But both valves should be adjusted at the same time.
    "I'm Kind Of Like The Turtle Man Of 3Wheelers."

    1986 Honda 350X
    1985 Honda 250R
    1985 Honda 200X

  12. #12
    Join Date
    Dec 2008
    Location
    Monroe MI
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  13. #13
    Nubbinz is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Apr 2011
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    Winchester, VA
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    171
    Did you pour gas down the spark plug hole and spray some carb spray in the carb? I've had carbs go dry and they refused to start. A little splash of gas and it works fine. Heres my rule with Hondas. Don't fix the little things, just run them into the ground. I tried fixing a bunch of smaller stuff on mine and now it wont run. With valves unless there ticking I wouldn't mess with them. They definitely will come unadjusted over the years but to an extent. Do you need to play around with them and risk it not working right again?

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