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  1. #1
    Join Date
    Mar 2008
    Location
    Vaudreuil-Dorion, QC
    Posts
    164

    Johnson 150 GT Specs

    Hi guys,

    Been trying to find some info on 1987 150 GT. I haven't found any info as of yet.

    Looking for weight, RPM max etc. Any help would be appreciated!!!

    Thanks

  2. #2
    Join Date
    Apr 2001
    Location
    Windsor, Ontario
    Posts
    4,523
    1987 GT 150 from brochure

    381 lb
    149.4 cubes
    150 at 5000 rpm
    14:26 gears
    4500-5500 full throttle rpm
    cross charged

  3. #3
    Join Date
    Mar 2008
    Location
    Vaudreuil-Dorion, QC
    Posts
    164
    Thanks David, much appreciated!!!!!

  4. #4
    ran mine at 6100 all dAy. motor must have had 800+hour and was running good when traded in

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