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  1. jerryjerry05

    Force 125 Trim Motor working, but I think it should go higher

    That's why Mercury was more expensive, less bells and whistles on the Force. Yet the Force had one of the best lower units made. If you kept the oil changed and made sure no water got in the lower lasted and lasted. Had a pair of 88/85 30 years and never needed any work other than fresh oil.
  2. jerryjerry05

    Force 125 Trim Motor working, but I think it should go higher

    Chris1956 his pump doesn't have either one of the things you describe. His manual release is undoing the front hydraulic line where it goes into the front of the pump.
  3. jerryjerry05

    1989 Force 125hp propeller torque

    The Nyloc nut: if it comes loose too easy??? It can turn itself and fall off along with the prop and hardware. Had one come loose, luckily it was still on the ramp and could be seen when the water calmed down. The owner had just bought a new stainless prop. $450
  4. jerryjerry05

    Force 125 Trim Motor working, but I think it should go higher

    ONE IMPORTANT THING!!!! There is NOTHING in the actual pump that you can fix, NOTHING!!! The seals that usually leak aren't part of the pump. It's real easy to screw up the T@T be extra careful when taking it apart. IF??? it's ever been in salt water?? That can make the job extra hard or...
  5. jerryjerry05

    What size Fuel Water Separator? 1998 Mercury Force 120 HP.

    Yes I used the Racor for over 30 years and never had a problem. The metal canisters are subject to rust and corrosion and they can collapse when trying to remove them. Salt water destroys them and the mount for the filter. The Racor is more expensive but you get what you pay for.
  6. jerryjerry05

    What size Fuel Water Separator? 1998 Mercury Force 120 HP.

    Just change the fittings to what ever size the hose is. The better or more expensive the filter the better the results. I ran a Racor with the clear bowl and water drain on the bottom. That way you can see any water build up.
  7. jerryjerry05

    1990 Trophy twin Force 120s prop question

    Keep us posted.
  8. jerryjerry05

    85hp 3 cylinder Force carburetor throttle plates.

    As long as they start to open at the same time they should be ok.
  9. jerryjerry05

    1990 Trophy twin Force 120s prop question

    People made the assumption that a 4 blade will be an upgrade and get better performance. They get better performance if your pulling 3-4 skiers and don't plan on ever going fast again. Great holeshot.
  10. jerryjerry05

    1990 Trophy twin Force 120s prop question

    Had a 21 with twin 85's and 17p props. It would get it up on plane (1 motor) if it wasn't too loaded. Your boat actually came standard with a single 125. The twins was a more expensive model.
  11. jerryjerry05

    Force 50 hp outboard won't start

    Those muffs need to be taped in place. Duct tape won't stick to a wet drive, put it on when the lower is dry. Was at work and running a new motor test. Things going good then I notice no water in the exhaust. The yard guy unhooked the first part of my hose and hooked another so he could wash a...
  12. jerryjerry05

    1990 Trophy twin Force 120s prop question

    The 4 blade is it stainless? The weight difference between stainless and aluminum can be 15# That make the motor turn slower. Yes add a 4th blade it increases the weight and drops the rpm's. All 125 hp should run about 52-5400 rpm's. The boat weight and load and how you run the boat will make a...
  13. jerryjerry05

    85hp 3 cylinder Force carburetor throttle plates.

    Idle: the butterflies all need to be closed. At wide open if they're not all even it doesn't really mater.
  14. jerryjerry05

    1990 Force 120HP B model cannot seem to find the issue with sporadic no start

    Two posts covering the same questions. Maybe add them together and delete the other.
  15. jerryjerry05

    1990 Trophy twin Force 120s prop question

    Maybe add a description of the boat?? 90 Trophy came with a few different style boats. The problem is the props are the wrong ones. They came with 13 1/2 X 17/19p 3 blade. Like I explained the props are the wrong ones. Your motors should run 53-5500 rpm. 4400 is too low. I had a pair of 88/85...
  16. jerryjerry05

    Force 125 Trim Motor working, but I think it should go higher

    The motor might need some fluid. The 125 used a Prestolite pump. The bottom half is the reservoir the top half is the electric motor. The reservoir is filled when the motor is in the down position. Remove the fill plug and add 30w motor oil until it runs out the hole. Filling it while up can...
  17. jerryjerry05

    1987 Force 125 tower shaft linkage frozen/seized

    Easy out(Topgun) the plug is small and you might have to drill through it to install the tool. Once the tool is installed, use a propane torch to heat the boss around the plug. That should make it easier to come out.
  18. jerryjerry05

    Testing kill switch??

    2013 4stroke 9.9 2013 4st. 9.9 F9.9SMHB 1035097 How to test the kill button. Thanks
  19. jerryjerry05

    Won’t stay running 125 force pestoline

    That needle is no good. Slightly Deformed = BAD
  20. jerryjerry05

    1979 75hp Chrysler

    The OEM calls for: SPARK PLUG(CHAMPIONL-20-V) Use them or upgrade to NGK
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