Recent content by 23x8io

  1. 2

    Mercury Green Tank KG5 Coil Adjustment?

    Happy boat motoring season 2021. Just acquired a green tank Mercury KG5 (5 hp) in vintage condition. It had been sitting for years, he said. Does it have a title? NO. Does it run? DON'T KNOW. Will it turn over? NO. Externally it looked pretty good and everything was all there. The gas tank...
  2. 2

    Fuel pump problem ? ?

    Last weekend on the Mississippi River we participated in a local annual vintage boat show. Your thread about the , no reason fuel pump failure, has backed up a suspicion I have had for the past two years. My Mercury 1968 L6 160 was running great for about an hour and stopped running. (after...
  3. 2

    1968 Single Solenoid Trin Tilt Wiring Schematic

    This schematic is for a 1968 Mercruiser 160 6 cyl. single solenoid trim and tilt pump. Hope this helps. FYI - GREEN WIRE (green grass for down) BLUE WIRE (sky blue is for up)
  4. 2

    1968 Mercruiser 160 6 cyl alternator upgrade

    Have a 1968 Mercruiser 160 I6 cyl. with the original 35 amp alternator with electronic voltage regulator. Can I change to a higher AMP alternator and use the same voltage regulator? If so what would be a safe increase in amps with this voltage regulator in mind? Thank you Rich
  5. 2

    Tilt and trim gimbal switch info for Pe-Alpha Outdrives

    The engine is a 1968 Mercruiser straight 6 cyl 160. The out-drive a type one pre-alpha ser#C2125004A. Both look to be original to the boat. The lift cylinders on it have two hydraulic lines each to them. The dash mounted tilt and trim switch control has three buttons. The two wires at the gimbal...
  6. 2

    Describe locating pin in top bearing cap of 1968 pre-alpha outdrive.

    On a 1968 pre-alpha out-drive ser# C2125004A the top bearing cap (with eye on top) has a round recess for a seal and locating pin. The pin is missing. Can you give the purpose of this pin and what would the dimensions be as it is no longer available. Pin part# B-17-45573 seal part# B-26-45916...
  7. 2

    Gimbal Ring Tilt and Trim Switch in the Early Type One Out-drive

    On the early out-drives, why are there two tilt and trim switch part numbers listed for the two wire switch that goes in the top of the gimbal ring? How does one differ from the other? The 39672A1 switch (for power trim w/two hoses to each cylinder) is normally open (makes contact when the...
  8. 2

    1968 Type 1 Out-drive Gimbal Ring Tilt Switch Needs Fix

    :confused: 1968 160 6 cyl. Mercruiser I/O. The Tilt Limit Switch in the top of the gimbal ring in a 1968 Type 1 out-drive has died of old age. Has any body worked out a fix? It is a rubber covered , normally on switch approx. 1 inch in diameter. Please post any and all ideas. Thanks - Rich
  9. 2

    Pre Alpha Gimbal Ring Pins Removal?

    :confused:[SIZE=4]Early !968 Pre Alpha gimbal ring pins, need to know how to remove the lower pin. Removed the cotter pin that goes through the pin, now does it screw in or press in? It has a large slot across the bottom. Thanks for the help in advance. Happy Sailing! Rich SIZE]
  10. 2

    1968 Mercruiser 160 HP ID & Tune-up Specs.

    :confused: I believe to be a 1968 Mercruiser 160 HP straight 6 cyl. is stamped with a serial #F12176BJ at the base of the distributor. Can anyone break this Mercruiser engine number down for identification. Also can you furnish the correct tune-up specifications and the correct spark plugs for...
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