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Thread: Motor question 80's, 70hp, Yama

  1. #1
    Join Date
    Nov 2005
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    Pensacola, Florida
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    Default Motor question 80's, 70hp, Yama


    A friend of mine is having problems with fuel. You can pressureize the buld and gas sprays out. If you un hook the gas line coming from the tank connector that runs up to the filter I assume, the gas is making it that far. ANyone familiar with these motors? Do they have a filter?

  2. #2
    Join Date
    Aug 2004
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    Joelton, Tn
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    www.themarinedoctor.com or something like the should be able to help. Me if it does not work I have to get someone to see to it sorry.
    Today is a great day

  3. #3
    Join Date
    Nov 2006
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    Greenville, SC
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    Sounds like he/she let it sit, and it has varnished in the carbs. I have a 1985 Johnson 150GT, and I had a similar problelm. I found out the high end jets were at the bottom of the carb, and I left fuel in it for awhile. The varnish built up in the bottom of the carbs and effected my speed once over 30 mph.
    Joe


    -----------------------------
    Still learning this crappie thing.
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