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Thread: tecate air screw?

  1. #1
    ATC-RYDA's Avatar
    ATC-RYDA is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Jun 2010
    Location
    Elmer N.J.
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    168

    tecate air screw?

    whats the best way to adjust the air screw on my 85 tecate ??? ... i've searched the forums and couldn"t come up with anything useful.. any help would be much appreciated .. THANKS GUYS !
    MY BABY RIGHT HERE !!! LOL


    86 200x
    86 250r 265cc kit
    86 225dr
    85 250r nice rider
    85 tecate
    85 atc 70
    83 250R bone stock
    88 cr 125
    84 klt 110
    99 yz 125 1st race bike
    02 ktm 125sx 2nd race bike

  2. #2
    Join Date
    Jan 2003
    Location
    Southern MN
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    1,875
    Does the 85 tecate have an air screw? My 84 does not have one.. If it is an air screw, (on airbox side of carb) Then turning it out would make it leaner, and in would be richer. However, if it is a Fuel screw (motor side of carb) it is the opposite - turning it out would make it richer, and in would be leaner. Hope this helps.
    THE 80's RAGE! Currently owns:
    81, 85 Yamaha Tri Moto 125
    83 Yamaha Tri Moto 200 x2
    82,83 Yamaha Tri Moto 175 project
    85 Yamaha Tri Z 250
    84 Kawasaki Tecate 250
    84 Honda ATC 70
    85 Honda ATC 350X
    84 Honda ATC 250R
    (2) 84 Honda ATC 200x
    82, 83 Honda ATC 185s
    81 ATC 200
    Lots of other parts and bikes

  3. #3
    ATC-RYDA's Avatar
    ATC-RYDA is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Jun 2010
    Location
    Elmer N.J.
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    168
    yea i've double checked mine ,and it does have a screw on the airbox side of carb , which led me to believe it was an air screw ,is it a stock carb ??? how can i tell ??
    MY BABY RIGHT HERE !!! LOL


    86 200x
    86 250r 265cc kit
    86 225dr
    85 250r nice rider
    85 tecate
    85 atc 70
    83 250R bone stock
    88 cr 125
    84 klt 110
    99 yz 125 1st race bike
    02 ktm 125sx 2nd race bike

  4. #4
    eyecekold1's Avatar
    eyecekold1 is offline Check my feedback before buying from me First time rider
    Join Date
    Oct 2009
    Location
    Provo Utah
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    209
    You want to know where the air mixture screw is or the idle adjust screw? Air screw is on the bottom of an oem carb inside the bowl. The idle adjust screw is on the side of the carb.
    85 350x 12:1 piston and porting by "boosted96cobra"
    4 85 tecates 1 runs
    5 84 tecates none run
    1 84 Yamaha Zinger, mildly ported & polished, milled, bored .25 over finally running
    2 atc 90's just parts bikes
    00 rm250
    93 kx500
    2 Honda 200m parts bikes

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