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1987 viking 41

Discussion in 'Viking Yacht' started by Robert k, Jul 7, 2017.

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  1. Robert k, Jul 7, 2017
    #1
    Robert k

    Robert k New Member

    Joined:
    Sep 17, 2016
    Messages:
    5
    Location:
    long island ny
    hey guys i have an 1987 viking 41 with Detroit 671 JT what should be me cruise speed and what RPM>?