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Thread: Needed help

  1. #1
    Join Date
    May 2019
    Location
    Michigan
    --
    5

    Needed help

    I have 84 185s with jetted carb and dg pipe but it keeps backfiring what do I do

  2. #2
    Join Date
    Jul 2009
    Location
    South Florida
    --
    5,834
    1983 was the last year for the 185s btw .
    If the head pipe isn’t leaking then you need to richen up the the jetting , if it’s back firing on deacceleration then the pilot jet needs to be bigger , stock is probably a 35 or 38 so a #40 should be a good start . Adjust the air fuel screw for the best highest idle .
    78 atc 90/180cc Dickson Full Suspension
    76 ATC90/180cc Nicholson
    77 atc 90 Dickson Full Suspension
    84 KLT 110/123cc Powroll Racer from 80s
    87 atc 125m stock
    84 atc 200x Curtis Sparks
    84 atc 200x Powroll My race bike from 80's
    83 atc70/108cc Powroll blue Xmas Special
    81 atc185s HP-ATC full suspension

    Performance Shop is Open PM me for Service

    My Feedback http://www.3wheelerworld.com/showthr...ck+shortline10

  3. #3
    Join Date
    May 2019
    Location
    Michigan
    --
    5
    Sorry I forget I have a 40 in it before I had a 35 but I couldn't not go wide open it wanted to die but now I have the 40 in it it runs a lot better but just back firer

  4. #4
    Join Date
    Jul 2009
    Location
    South Florida
    --
    5,834
    Is it back firing on acceleration ?

    Factory carburetor or aftermarket ?
    78 atc 90/180cc Dickson Full Suspension
    76 ATC90/180cc Nicholson
    77 atc 90 Dickson Full Suspension
    84 KLT 110/123cc Powroll Racer from 80s
    87 atc 125m stock
    84 atc 200x Curtis Sparks
    84 atc 200x Powroll My race bike from 80's
    83 atc70/108cc Powroll blue Xmas Special
    81 atc185s HP-ATC full suspension

    Performance Shop is Open PM me for Service

    My Feedback http://www.3wheelerworld.com/showthr...ck+shortline10

  5. #5
    Join Date
    May 2019
    Location
    Michigan
    --
    5
    Just when I let off and factory card

  6. #6
    Join Date
    Jul 2009
    Location
    South Florida
    --
    5,834
    Are you 100% sure the exhaust isn’t leaking at the head ?
    78 atc 90/180cc Dickson Full Suspension
    76 ATC90/180cc Nicholson
    77 atc 90 Dickson Full Suspension
    84 KLT 110/123cc Powroll Racer from 80s
    87 atc 125m stock
    84 atc 200x Curtis Sparks
    84 atc 200x Powroll My race bike from 80's
    83 atc70/108cc Powroll blue Xmas Special
    81 atc185s HP-ATC full suspension

    Performance Shop is Open PM me for Service

    My Feedback http://www.3wheelerworld.com/showthr...ck+shortline10

  7. #7
    Join Date
    May 2019
    Location
    Michigan
    --
    5
    Ya I started it and sprayed it with carb cleaner

  8. #8
    Join Date
    May 2019
    Location
    Michigan
    --
    5
    It was the Jets it's running good thanks

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