Outboard Midsection Heat

  • Jesse D.
    Posts: 80
    May 24, 2021 at 1:18 pm #2038598

    I have a 2005 Yamaha 25hp 2 stroke. Yesterday I was cruising the Mississippi and Minnesota rivers for about 2 hours. I was running the motor the entire time, about 60% low rpm and 30% full out. At the end the midsection/exhaust area of the motor was warm to the touch.

    Is this normal? I have never had a motor I could trust to run this long and hard and so have no idea if this is normal or not.

    I’d really appreciate some knowledge. Thanks!

    Ralph Wiggum
    Maple Grove, MN
    Posts: 11764
    May 24, 2021 at 1:57 pm #2038607

    I would say warm is normal.

    KPE
    River Falls, WI
    Posts: 1713
    May 24, 2021 at 2:23 pm #2038615

    Sounds normal. Exhaust travels down that midsection and out, so it’ll be warm to the touch. If it got real hot I’d be concerned but you should be fine.

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