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Thread: need help with my 85 350x

  1. #1
    Join Date
    Feb 2004
    Location
    Hampton, Virginia, C.S.A.
    --
    2,664

    need help with my 85 350x

    today me and my cousin were riding and we found a hill to jump so i followed him over it and got a little air....now i did this about 2 times and the second time when i turn around a nail it to come back the bike barely wanted to move....i had the trottle wide open and it was like i had it at about 1/4 trottle....the first thing i did was check compression and it was 130 psi and i didnt disconnect the decompression cable....so far ive check that my trottle cable and air filter all looked good.. the bike idals great....in neutral it will rev up but not quite like it use to....and in gear it is very low on power wont even do a wheelie in first....i dont know if jumping it had anything to do with it....or just happend to happen after the jump any help will be apreciated
    current rides
    82' ATC110
    85' ATC310R
    85' ATC250R
    85' ATC250ES
    16' brute force 750

  2. #2
    Join Date
    Mar 2006
    Location
    PA
    --
    3,515
    the oil pump might be shot or weak.

    i had a 200x seize a cam before it ran like the brakes were stuck, you might want to pull the valve cover off and look at the cam and rockers....if they are scuffed up you need a oil pump witch honda no longer makes nut a 300ex pump will work if you use your gear on the new pump
    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

  3. #3
    Join Date
    Dec 2003
    Location
    SE PA
    --
    683
    Try pulling the silencer off and see how it runs. Maybe the baffle came loose inside or it got clogged with debris. Easy place to start. Second guess would be a carb problem.
    [FONT="Palatino Linotype"]~My Rides (to name a few) ~
    1986 ATC250R, 1985 ATC350X
    1985 ATC250R Missile (90% done)
    1983 ATC185S
    1999 TRX416EX
    2003 Honda CBR600RR
    1990 Yamaha Zuma
    1985 XR80 w/100 motor
    1967 Honda CB77, '65 CL77
    1962 Puch 250 SGS
    1984 XR350R (owned since I was a kid)
    1972 Suzuki T350 Rebel, '73 T500 Titan
    1964 BSA A65 (needs restored)
    1968 BMW R60/2 mint original bike
    1976 Kawasaki KH500 triple
    Anybody have parts to trade for the above models?

  4. #4
    Join Date
    Nov 2004
    Location
    Fort Kent, Maine
    --
    2,132
    Yup... if you haven't cleaned your carb lately that's the first thing I would do... blow out the main jet with a air compressor.

    Phil

    '85 350X-The Flagship
    Speedo, Chrome HL Guard, Rubber Steps
    DG Chrome Power, 6-Pack Rack, White Bros Skidplate, 400ex Carb

    '85 250ES Big Red-Working in Style
    Many Hondaline & Aftermarket Add-ons
    '84 250R-Old School Racer Project
    Too many Accessories to List
    '82 200E Big Red-The Tractor
    Rubber Steps, Tripmeter
    '85 250SX-Rider
    Various Accessories

    '13 CBR250R & '05 CBR600F4i-Road Toys
    Yoshi Slip-Ons & Fender Eliminators

  5. #5
    Join Date
    Feb 2004
    Location
    Hampton, Virginia, C.S.A.
    --
    2,664
    the baffle has been removed for quite awhile now....and i believe the bike has a new carb on it....it dosent ride the like the brakes are on there is no drag at all.....it just isnt getting full trottle i push it all the way and it is like im only holding it 1/4 of the way
    current rides
    82' ATC110
    85' ATC310R
    85' ATC250R
    85' ATC250ES
    16' brute force 750

  6. #6
    something basic like a spark problem?what does it run like whens its cold?
    84 Honda Big Red w/plow
    85 Honda 200X
    88 Honda CR 125
    86 350x(in process of building)
    :trikesown :Beerchug :trikesown

  7. #7
    Join Date
    Feb 2004
    Location
    Hampton, Virginia, C.S.A.
    --
    2,664
    i actully havent run it cold yet...this happend sunday around4 o clock....so i didnt have any free time today....it will proble be thursday before i can check it out again yall think the cdi box might have broken a circuit and not letting it rev all the way? someone said that might be it
    current rides
    82' ATC110
    85' ATC310R
    85' ATC250R
    85' ATC250ES
    16' brute force 750

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