Carburettors gs 750 1978

Discussion in 'Bike Maintenance and Repair' started by Ken, Jan 4, 2022.

  1. Ken

    Ken

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    Hi guys new to this site, I have a question, would anyone know the float heights on the carbs for a GS 750 1978, I've asked this question on another site and you would not believe some of the answers.
     
    Ken, Jan 4, 2022
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  2. Ken

    Gabbymoto10

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    i am not sure how you are measuring your float height. but the its usually done from the mating surface of bowl to the bottom of the float. meaning the side that's nearest to the drain.

    .70" is 18mm while 1.02 is about 27mm which would make the level in the bowl much lower. i dont know the exact specs but if thats what the book says go with it. but its seems low to me. if unsure about the correct level. turn the carbs on their side an take a look. they float should be slight lower then level. that should put you in the park.

    its better to set the float a little lower then higher. if the carbs still leak gas out of the drain and it has an over flow tube in the bowl.( long brass tube)check the tubes closely for small cracks. (common) which will allow fuel to enter the overflow tube now matter what the level.

    also make sure your book is listing the float height and not the fuel level!
     
    Gabbymoto10, Jan 6, 2022
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