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  1. #1
    Joiseyboy
    Join Date
    Feb 2009
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    Middlesex NJ
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    engine info needed

    My 04 MSX150 had a new engine installed in 06. It is a 'liberty' engine. Is that a reputable co. & a good running motor. this new engine matches all the spec. as the original one. Thanks kind people


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Jul 2007
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    near Toronto, Canada
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    Welcome to the Hulk!

    Liberty is just the branding that Polaris used for their engines, it doesn't actually mean much.

    The MSX 150 uses a 150HP rated Weber (German built) two cylinder, turbocharged 4-stroke engine. Unless someone went to a lot work effort, that would be the same engine that was in that hull from the factory.

    There were a few updates and service bulletins related to those engines, so I would expect your replacement engine had all, or most of, the updates.

    Was your engine replaced under warranty?

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