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  1. #1
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    Aug 2017
    Location
    Etobicoke, Ontario
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    100

    1998 R91 Motorwell cap gasket seal part replacement

    does anyone know where I can find a motor well cap gasket replacement?

    I'm hoping a cheap amazon part but have my reservations

    see photo below

    also, might as well tighten up screw holes. any suggestions?
    Current: 1998 Ranger R91 Sport, 2003 Mercury 200HP EFI 2.5l, OT749297
    Smartcraft motor- analogue gauges
    NMEA2000 backbone for Motorguide Xi5 and Lowrance Elite Ti 9" connected to run trolling motor
    Separate Garmin 942xs 9", run off of trolling motor transducer, not NMEA2000 connected yet.


    1st Boat: 1984
    Ranger 350v Raspberry, 1987 Mariner Magnum 150HP 6cyl

  2. Member
    Join Date
    Aug 2017
    Location
    Etobicoke, Ontario
    Posts
    100
    Current: 1998 Ranger R91 Sport, 2003 Mercury 200HP EFI 2.5l, OT749297
    Smartcraft motor- analogue gauges
    NMEA2000 backbone for Motorguide Xi5 and Lowrance Elite Ti 9" connected to run trolling motor
    Separate Garmin 942xs 9", run off of trolling motor transducer, not NMEA2000 connected yet.


    1st Boat: 1984
    Ranger 350v Raspberry, 1987 Mariner Magnum 150HP 6cyl

  3. Lead sled driver 11pounder's Avatar
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    Mar 2005
    Location
    Broken Arrow Oklahoma
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    11,392
    #3

  4. Member
    Join Date
    Aug 2017
    Location
    Etobicoke, Ontario
    Posts
    100
    #4
    maybe I will get a gasket kit and cut my own. Approx $13 at parts source
    Current: 1998 Ranger R91 Sport, 2003 Mercury 200HP EFI 2.5l, OT749297
    Smartcraft motor- analogue gauges
    NMEA2000 backbone for Motorguide Xi5 and Lowrance Elite Ti 9" connected to run trolling motor
    Separate Garmin 942xs 9", run off of trolling motor transducer, not NMEA2000 connected yet.


    1st Boat: 1984
    Ranger 350v Raspberry, 1987 Mariner Magnum 150HP 6cyl

  5. Member
    Join Date
    Aug 2017
    Location
    Etobicoke, Ontario
    Posts
    100
    #5
    ranger didnt have a part # either
    Current: 1998 Ranger R91 Sport, 2003 Mercury 200HP EFI 2.5l, OT749297
    Smartcraft motor- analogue gauges
    NMEA2000 backbone for Motorguide Xi5 and Lowrance Elite Ti 9" connected to run trolling motor
    Separate Garmin 942xs 9", run off of trolling motor transducer, not NMEA2000 connected yet.


    1st Boat: 1984
    Ranger 350v Raspberry, 1987 Mariner Magnum 150HP 6cyl

  6. Member
    Join Date
    Aug 2017
    Location
    Etobicoke, Ontario
    Posts
    100
    #6
    Current: 1998 Ranger R91 Sport, 2003 Mercury 200HP EFI 2.5l, OT749297
    Smartcraft motor- analogue gauges
    NMEA2000 backbone for Motorguide Xi5 and Lowrance Elite Ti 9" connected to run trolling motor
    Separate Garmin 942xs 9", run off of trolling motor transducer, not NMEA2000 connected yet.


    1st Boat: 1984
    Ranger 350v Raspberry, 1987 Mariner Magnum 150HP 6cyl

  7. Member
    Join Date
    Mar 2010
    Location
    Woodsboro MD
    Posts
    2,358
    #7
    I made a new one for my R91 using reinforced rubber gasket material from a local hvac supply house.

  8. Member
    Join Date
    Aug 2017
    Location
    Etobicoke, Ontario
    Posts
    100
    #8
    Picture or product number of the material?
    Current: 1998 Ranger R91 Sport, 2003 Mercury 200HP EFI 2.5l, OT749297
    Smartcraft motor- analogue gauges
    NMEA2000 backbone for Motorguide Xi5 and Lowrance Elite Ti 9" connected to run trolling motor
    Separate Garmin 942xs 9", run off of trolling motor transducer, not NMEA2000 connected yet.


    1st Boat: 1984
    Ranger 350v Raspberry, 1987 Mariner Magnum 150HP 6cyl

  9. Member
    Join Date
    Aug 2017
    Location
    Etobicoke, Ontario
    Posts
    100
    #9
    i ended up taking neoprene tape, must have been 1/2"x1/2" adheesive on one side and carefully attaching tape around the outside of the cover. It worked remarkably well. I cut the starting edge with a 45 degree edge and the final edge with the opposite 45 degree so they could overlap. This really only needs to be 1/16-1/8" of an inch thick and it would have been fine. Probably moulding tape would have been perfect.

    it cost me $2.00 at the store and i bought twice the amount of tape I needed.
    Current: 1998 Ranger R91 Sport, 2003 Mercury 200HP EFI 2.5l, OT749297
    Smartcraft motor- analogue gauges
    NMEA2000 backbone for Motorguide Xi5 and Lowrance Elite Ti 9" connected to run trolling motor
    Separate Garmin 942xs 9", run off of trolling motor transducer, not NMEA2000 connected yet.


    1st Boat: 1984
    Ranger 350v Raspberry, 1987 Mariner Magnum 150HP 6cyl

  10. Member
    Join Date
    Aug 2009
    Location
    Apache Junction, AZ
    Posts
    124
    #10
    If you have a swimming pool supply store in your area you might check there. The good ones around here carry a bunch of different sized gaskets for all the various sized pool pumps. I found one there years ago that worked for me.