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Thread: Question Yamaha moto 4.

  1. #1
    Join Date
    Jul 2005
    Location
    leroy, new york
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    1,025

    Question Yamaha moto 4.

    My friend has a 86 or 87 yamaha moto 4 80cc for his daughter and it has a issue. I donsen't idle and it bogs out when you give it gas. He has cleaned the carb, fresh gas and clean air filter.

  2. #2
    Join Date
    Sep 2005
    Location
    Massachusetts
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    1,272
    Sounds like it might need a carb rebuild and maybe the float needs adjusting?

  3. #3
    Join Date
    Sep 2005
    Location
    Lipetsk, Russia
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    2,824
    Probably not enough gas getting to the carb... i had that happen on my 110. Check the tank for rust (if metal) and make sure the gas lines dont have any obstructions.

  4. #4
    Join Date
    Oct 2005
    Location
    Pennsylvania
    --
    863
    Small Displacement Yammis Have apparently have a problem with Exhaust restriction---Tim Sr has a Post about it , but I cant seem to find it. It was about the 60 cc Trizinger trikes- Check into it.
    Buy American! Unless your only option is a HARLEY.

    A customer walked in to my shop and Impatiently stated "My car doesnt start, Whats the problem?"I responded with a smile-"Yep that sounds like your problem alright"----

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