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  1. kbh121956

    Bolt size

    Thanks for your help.
  2. kbh121956

    Bolt size

    Any idea of the bolt size for the 3 puller bolts? It's a 1994 Force 120 with the thunderbolt electronics. Thanks.
  3. kbh121956

    Mariner 40 HP

    Thank you for the replies. 1989 it is.
  4. kbh121956

    Mariner 40 HP

  5. kbh121956

    Mariner 40 HP

    I have a 40 HP Mariner The number on it is OC160400. What year is it?
  6. kbh121956

    Remote control help

    Glad that you have it fixed. Any US Marine or Chrysler control will work on that year unless you are using the Mercury thunderbolt ignition.
  7. kbh121956

    Old Airguide "Sea Speed Tachometer.

    I will hold onto the tach. It's like brand new, someone will need it for a restoration project. I know that it's around 1971 because the boat and the old Merc are both 71's. The boat sat in a back yard for about 16 years, outboard up. I bought it and replaced the transom and gave the boat a...
  8. kbh121956

    1994 Force 120 controls.

    Ok guys thanks for the help. Jiggz was right the tan/blue is the overheat alarm. Purple - keyed power to run gauges and stuff. Gray - sender on tachometer. Brown/white - trim gauge. Black - ground. I put this 120HP on a old 1971 StarCraft 18' SS. It had a Merc 140 that was left up for 14 years...
  9. kbh121956

    1994 Force 120HP tilt and trim questions.

    I didn't take the motor itself apart but I put power to it and found that the brushes are worn. It will run and then start to jerk. I would say that the bushings/bearings are also bad. There is a Generator Exchange shop in town that rebuild small electrical motors, I drop it off to them.
  10. kbh121956

    1994 Force 120 controls.

    Ok, I found a little information on the internet. Black is Tachometer ground, Purple is positive on tach, Gray is alt or sender on tachometer. Still wondering what the Brown/white and Brown/blue are used for.
  11. kbh121956

    1990 Lforce engine Bayliner Capri-

    Do as Jerryjerry05 stated, remove the head as the gasket could be bad. Being number 1 the top cylinder, it will be easy to see if the rings did damage. People need to de-carb every season, the rings get stuck on one side and break.
  12. kbh121956

    1994 Force 120 controls.

    This 120hp uses the Mercury style control box. It has a plug that runs the gauges at the helm. My question is, there are five wires. One is brown/blue stripe. Brown/white stripe. Purple. Black, I assume is a ground. Gray is the tachometer wire. What are the brown/blue, brown/white and purple...
  13. kbh121956

    1994 Force 120HP tilt and trim questions.

    Update, replaced the tilt/trim motor, and the problem is cured. Problem is the new motor is a Chinese brand, seems you can't get one made here anymore. I have the old and will see if it can be rebuilt.
  14. kbh121956

    Old Airguide "Sea Speed Tachometer.

    Just a black (ground) and a green.
  15. kbh121956

    Motor dies then won't start

    Most states have a generator and alternator exchange that does an excellent job at rebuilding old outboard starters. When you get it back, it looks new and they warrantee it. I would do a local search. My 1963 Merc 65 hp starter the bushings were shot. No starter for it to be found anywhere...
  16. kbh121956

    Old Airguide "Sea Speed Tachometer.

    I have an old Airguide tach that was used on a 1971 StarCraft 18' SS. The outboard was a Mercury 140 HP tower of power. The Merc was stuck solid. My question is will the tach work on a 4-cylinder Mercury "Thunder bolt ignition system? The only number on the tach is P 6487 and on the back 5 GB as...
  17. kbh121956

    Does this timing advance rod (1985 50HP) look factory? Should it be bent like this?

    That is not factory. Look for used on ebay or franzmarine.com Franz will need your serial/model number.
  18. kbh121956

    90 hp Ignition Question: Thunderbolt VS Prestolite

    This is an old thread from 2017! I would start a new one.
  19. kbh121956

    1994 Force 120HP tilt and trim questions.

    Jiggz I see what you said. I believe this was filled to full and they used the wrong oil. This is from a Force Service Manual.
  20. kbh121956

    1994 Force 120HP tilt and trim questions.

    The service manual called for ATF. My other Force/Chryslers used a 30 WT. non detergent motor oil. This outboard uses the Mercury tilt. On the fill cap it states that the system is under pressure when all the way down and to fill it, the outboard should be all the way up?
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