Vintage Tiger 94 Steamer With Mikunis

Discussion in 'Tiger / Explorer' started by Simon Logan, Aug 31, 2021.

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  1. Simon Logan

    Simon Logan Active Member

    Jun 13, 2020
    132
    33
    Sutton Coldfield - UK
    Greetings, bike running fine following carb rebuild but slight smell of fuel so suspect running rich. Can you remind me how to lean with the mixture screw. I set them at 2 1/4 turns out but do I screw in or out to lean. Either way should I decrease/increase in 1/4 turns ?
     
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  2. Yorkshireman

    Yorkshireman Crème de la Crème
    Subscriber

    Dec 12, 2015
    3,255
    1,000
    Barnsley
    Have a look at the spark plugs and see if they tell you anything about how it’s running. From what I remember about carbs (long time since I fiddled with a carb) screwing out the air screw lets more air in and weakens the mixture.
     
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  3. Kinjane

    Kinjane Active Member

    Oct 15, 2017
    187
    43
    Bristol, Land of Enger
    Depends on what type of mixture screw you have.

    If it’s a fuel screw then clockwise and inwards makes it run leaner.

    If it’s an air screw then clockwise and inwards makes it run richer.
     
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  4. Simon Logan

    Simon Logan Active Member

    Jun 13, 2020
    132
    33
    Sutton Coldfield - UK
    • Agree Agree x 1
  5. Kinjane

    Kinjane Active Member

    Oct 15, 2017
    187
    43
    Bristol, Land of Enger
    Looks like it should be a fuel control screw, confirmable by having a stepped tip with a sharp point. Modern air mixture screws have smooth gently rounded ends.

    Untitled mixture.png
     
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