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Thread: Jetting Suggestions Please.

  1. #1
    JMiller's Avatar
    JMiller is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Nov 2003
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    386

    Jetting Suggestions Please.

    My 84 T3 has a 34mm carb., 210 main jet, 45 pilot jet, pipe and silencer, and a UNI 2 stage pod air filter. I know these trikes didn't come stock with a 34mm carb in 84. The bike is running rich and loads up and has poor throttle response. What jets should I change? Pilot, main, or both? And what size jets should I start with? Any suggesstions are apprecciated?
    Current Rides:
    '87 Tecate 3
    '84 Tecate 3

  2. #2
    bbechtel16 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Oct 2002
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    Halifax, PA
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    400
    I really don't know but My friend has a 38mm Keihin PJ that has like a 185 or something main and its FREAKIN' HUGE!!! So I would think 210 may be too big. How does it run at WOT?
    -'86 ATC 250SX: No longer mine... Complete 350X front end, Corbra Megaphone system, 350X carb with UNI dual stage foam & outerwear bolted driectly up, Powroll/Rocky 260cc bore 10.5 to 1 compression piston.

  3. #3
    Join Date
    Dec 2002
    Location
    SW Alabama
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    763
    Is it loading up all through the throttle range? Do some plug chops. Line it out and run wide open. Turn the switch off while going wide open. When it stops, check the plug. If it is brown, you are good in the main. If black, go to a smaller main. If loading up at low rpm, go to smaller pilot. Check your plug after running a certian speed and see when it is black, then you can tell what to change. You may have to go way down before you see any difference. Just keep a check on the plugs and if it turns white, you are way lean and need to go back up before you toast something. I am not a jetting expert, but hope this helps.

    Whiteman
    Trikes: Cagiva 200, 85? Tiger 250,(2)84 200x's , (3)86 200x's, 87 200x, (5)85 350x's, (2)86 350x's, (2)85 250r's, 86 Tecate, (3) 85 250sx's Restoring: 83 200x, 86 250sx. Too many utility trikes to list.

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