Thread: yamaha 275 sho

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  1. #1
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    yamaha 275 sho

    WELL IT LOOKS LIKE THERE IS ALREADY 275 SHO OUT IN JAPAN, HOPE IT MAKES IT TO THE STATES. CHECK OUT THIS LINK


  2. Member
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    #2

    Re: yamaha 275 sho (jrbritt)

    Wish I spoke japanese, lol. Those mountains along side the lake were beautiful.
    2022 Xpress H18

  3. Member
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    #3

    Re: yamaha 275 sho (jrbritt)

    I think you will see a 300HP SHO in the states soon. I do not think it is a big deal to make 300HP with 4 liters a little porting and a differant ECU bigger air intake. It will be 330HP to the crankshaft 300HP to the prop. It will burn a little more gas.

  4. Member
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    #4

    Re: yamaha 275 sho (55excl)

    The current 300hp offshore is the same sho power head.
    Allison XB-21 ProSport
    Yamaha 250 SHO
    Croxton Razor 4XL

  5. Member
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    #5

    Re: yamaha 275 sho (PSM207)

    Hydrotec can re flash the ECU to a 300 and also has a light weight fly wheel, it hass been available for a while

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