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2004 f90

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  • 2004 f90

    Is it a none interference engine? Can the pistons hit
    the valves?

  • #2
    It is an interference motor. If the cam shaft gets out of phase with the crank shaft valves and pistons can collide.

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    • #3
      Thank you Boscoe, i thought i had it in a tech guide
      couldn't find it.

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      • #4
        It is in the 2005 Marine Technical Guide.

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        • #5
          Thank's buddy.

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