2001 90 hp four stroke Merc

  • StaleMackrel
    Posts: 443
    December 4, 2003 at 1:44 pm #1232371

    I found out in a round a bout way that you should not pump the gas ball hard. Pump it just enough so that gas is entering the motor. This is for balls with a yellow ring around it. If you pump it hard it may flood the engine. This particular model has carburation. This may be true for the 75 hp model also. It might also be true for Yamahas that are four stroke carburated.

    hof
    Rochester, MN
    Posts: 2443
    December 4, 2003 at 4:39 pm #284009

    Hey StaleMackrel,

    Good to see you on here – welcome! Thanks for the info.

    Good Fishing,
    Mike

    wade_kuehl
    Northwest Iowa
    Posts: 6167
    December 4, 2003 at 6:01 pm #284023

    Welcome to the site! We appreciate you sharing the info. Hopefully that will save someone a little trouble.

    rippinpigs
    Apple Valley, MN
    Posts: 399
    December 4, 2003 at 6:06 pm #284024

    good to know… I have the same motor.

    theleadsled
    Washington, Ia.
    Posts: 231
    December 5, 2003 at 4:54 am #284116

    I was taking to a mechanic the other day and learned something new for me. He told me that when I squeese the bulb, to always hold the bulb so that the fuel line is straight up and down. Has to do with air getting trapped in the bulb. Thats what he told me anyway.

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