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    Idle mixture adjustment problem

    Re: Idle mixture adjustment problem Hi Frank, Thanks for your help. I have had the boat for 3 years. Only one previous owner. Only driven to church on Sundays. Usual story. The boat was in immaculate condition and the motor had 70 hours on it. Used in fresh water. The owner didn’t look...
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    Idle mixture adjustment problem

    I tried to set the idle mixture screw on my 1998 75 ph Force. Only one carbie so it should be easy. I set the screw to 1 1/8 turns out, boat in the water, in neutral about 1000rpm. The engine ran OK. ? turn in the motor ran rough. All good. When I turn the screw out past 1 1/8 it didn’t seen...
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    Excessive exhaust smoking 1977 Chrysler 135HG

    Re: Excessive exhaust smoking 1977 Chrysler 135HG Hi seattle scott I have attached a photo of what my plugs look like after idling for a short time. Being a premix 2 stroke they always look at bit wet. As far as I know this is normal. I?ll be interested to see what others think. I run...
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    Tacho Problem

    My tacho has been reading high for a while and I may have found the problem. I noticed the signal wire to the tacho, leading from the regulator, was wrapped in a loom that also had the 2 yellow AC wires from the stator in it. The signal wire ran parallel to the stator wires and I think was...
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    1998 75hp Force misfire

    I have a 1998 75 hp Force with has recently developed an intermittent misfire. It happens sometimes just after I start it and last time after cursing at medium speed and slowing to idle speed in the marina. The motor kicks violently (thought I had hit something with the prop) and last time...
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    Dark Gearbox Oil

    I have switched gearbox oil from Quicksilver Premium to Quicksilver High Performance the last couple of changes. The Premium oil would not change colour but the High Performance oil comes out a lot darker than when it when in. I have not tried using Premium again but is this colour change...
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    Carburetor Problem Force 85

    Re: Carburetor Problem Force 85 Hi Ryan I?ve just answered another question similar so I just cut and pasted it here. ?It?s probably the needle and seat in the carby not sealing with the extra pressure from the new fuel pump. There may have been some rubbish dislodged from the rebuilding of...
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    Carburetor leaking fuel

    Re: Carburetor leaking fuel It?s probably the needle and seat in the carby not sealing with the extra pressure from the new fuel pump. There may have been some rubbish dislodged from the rebuilding of the fuel pump that is stopping the needle and seat from sealing. To prevent this it is a good...
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    Starting motor

    Re: Starting motor This is the solenoid
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    Fishing Line around prop

    I would like some advise regarding fishing line getting wound around the prop. I have a 1998 75 hp Force. Managed to get nylon fishing line wrapped around the prop whilst at anchor last weekend. I pulled as much line off the prop as I could but couldn?t get it all. The weather was rough, we were...
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    25/20 jet starting problems

    Re: 25/20 jet starting problems Have you tested the starter with the jumper leads? Does the system work when things cool down? Next day? When you bridged the solenoid the other day which contacts did you bridge? A - B or A ?C? Your solenoid my have a different configuration to this...
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    What is the purpose of a Trim Tab?

    Re: What is the purpose of a Trim Tab? You need to start a new thread as it gets confusing mixing answers. Turning trailing edge of the trim left, turns the boat right.
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    Fuel Filters

    I am about to change the filter in my Water/Fuel separator. I can get an after market filter for about $25.00 or Mercury or Raco filter for about $65.00. I?m not sure wether I need to spend the extra money. Does anyone have any advice on these filters please. Thanks Dean
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    Black Gearbox Oil

    Drained my gearbox oil this morning & it came out black. No filings on plug & not milky. Motor has done about 30 hours & 10 mths since last change. This is the first time I have changed the gearbox oil myself not sure what to expect. 1998 75 force. 160 hours total. Is this normal?
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    Thermostat removal?

    Does anyone know wether it is standard practice to remove the thermostat if the motor is run in salt water? I was talking to a mechanic today and he said it was standard practice to remove the thermostat when they knew the motor was used in salt. His reasoning was that the thermostats can salt...
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    Removing lower cowl

    I?m trying to lower the bottom cowl on a 1998 75 force so I can get at the exhaust plate. So far I have removed 2 nuts on the two lower side shock mounts under the cowl each side and two bolts from the front shock mount. The cowl is still rock solid. The complete description in the manual I...
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    impeller change

    When you replace an impeller do you need to fit a new seal that goes between the top of the water pump & the water tube to the top of the motor? Had a mechanic say it should always be changed. I hadn?t heard it mentioned before.
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    1998 75 force head gasket

    Motor 1998 75 Force. I?m planing on replacing the head gasket & inspecting the exhaust plates at the next service. I?m running the motor in salt water and as far as I know they haven?t been looked at before. Can the lower cowling be unbolted and lowered or do I need to remove the powerhead to...
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    Water on Plugs?

    Is this milky stuff on the plug the result of water getting in? 1998 75 force. Still running well but dies away at idle sometimes. Thanks
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    Sparkplug choice

    I have a 1998 75 force motor which has always had ?NGK BUHW? perm gap style spark plugs in it since I have owned it. I went to purchase a spare set but the boat shop only had Champion L76V plugs which are the standard pin & post style of plug. They said they thought that they would run better...
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