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  1. M

    Can you figure this one out?

    I have a 40 hp Mercury serial #OG252917 and I can't stop the oil sensor/high temp buzzer from sounding when I turn the switch on. Here is what I tried and found today. The 2 blue wires from the oil sensor (when unplugged) from the motor has continueity, when I disconnect both of them the buzzer...
  2. M

    No air filter on a 40 hp Mercury

    I was suprised to find out when I took the cover off my motor on my 40 hp Mercury that there was no air filter, is there suppose to be one, if so does anyone have a picture so I can see what I need? Thanks, Wade
  3. M

    Which spark plugs for my Mercury motor?

    I have a 1995 or 1996 Mercury 4 cylinder, 2 carbs, 2 stroke 40 hp motor. I would like to run NGK plugs cause I have heard they are the best for these engines. Can anyone please tell me the right plug number to get, it currently has NGK BUHW 2, is this the correct one or what do you recommend...
  4. M

    Mercury motor idling higher now, any thoughts

    I have a 1996 Mercury 4 cylinder 2 stroke 40 hp motor on my pontoon. When I put it in the lake the first time this year and the first time since I bought it, it would idle but when you put it in gear it would usually die. I removed both carbs and soaked them in carb cleaner overnight along with...
  5. M

    What is correct water pressure

    Last week I took my pontoon out for the first time since I bought it last year. It has a gauge in the dash that says PSI, I am assuming this is the water pressure gauge, correct? When I first started off it was reading about 3 psi, but later after riding for a while it leveled off at 2 1/2 psi...
  6. M

    Carb break down pictures

    Hi, does anyone have or know of a site I can get a break down for the 2 carbs on my 1996 Mercury 40 hp 2 cycle? I have a Sealoc book but it doesn't give many details and covers too many different Mercury motors. If anyone has a break down for my carbs please send it to...
  7. M

    Idle problems on a 40 hp Mercury

    I have a 1995 or 1996 Mercury 40 hp on a 21 ft pontoon. This motor has not run in 2 years that I know of, maybe more. I drained all of the old gas from it and filled it with new gas. Last week I took my pontoon to the lake and it would idle fine when it was not under load but when I put it in...
  8. M

    Another water temp and water pressure question

    Hi, I have read a lot of the posts on here concerning water temp gauges and also water pressure gauges. I would like to add these to my motor, I am convinced after reading other posts on these subjects that they are good insurance to have, so if any of you have the time please help me. I have a...
  9. M

    What type of batteries

    After reading some of the past post about batteries I have a question. I just bought a marine deep cycle battery to use for cranking and my trowling motor. After reading it seems like some of you guys are using a regular (car) battery to crank your motors and a deep cycle for the radio, trowling...
  10. M

    Oil in the tilt and trim

    Last year when I finished working on my pontoon and before I stored it the tilt and trim was working fine. This year when I tested it it would run but not lift or retract. Could it be low in oil and if so what kind of oil does it take? I don't see any evidence that any oil has leaked out, I just...
  11. M

    Motor overheating sensor

    I have a pontoon with a 40 hp Mercury that I bought last year and have been doing some work on it and I am about ready to put it in the lake but I have a question about my motor overheating sensor/buzzer. When I turn on the switch the buzzer sounds all of the time. A friend of mine told me it...
  12. M

    What is fogging

    I have read about winterizing your motor with carbs and some talk about fogging, please explain what this is. My motor is fuel injected so how will I do this to mine. I was going to remove most of the old gas in the tank then add stabil and run the motor until it ran out of gas, is this a good...
  13. M

    Almost complete

    A while back I asked about a good way to put a hardtop up and down and I got some good ideas. One was to use a boat trailer winch with cables. Well I almost have it complete and soon will test it to see if I have any bugs in it. I will post pictures if I can figure out how. Also I was...
  14. M

    Is a tarp a good boat cover?

    I am having a shed built for my pontoon. I want to put a cover over it to keep furry animals out of it during the winter. Today I went to Harbor Frieght and bought a large tarp with lots of adjustable tie downs. I can't use a boat cover because the hardtop I installed on it is much higher for a...
  15. M

    Needing a spare tire for a Tracker trailer, anyone got one?

    Hope I am not posting this in the wrong place. I have a Tracker trailer that I need a spare wheel for. The size on my tire is 20.5X8.0X10, it is a 5 lug. I found out that Tracker makes an odd size so you have to go back to them for parts. Thanks, Wade
  16. M

    Raising a hardtop

    Hi, I bought a 12 foot long hardtop for my 21 foot pontoon. I had to make brackets for it, it has two legs on each side that are made from (2) 1 inch x 1inch square aluminum tubing. This hardtop will give me lots of shade but I have a question. For one person to put this top up or down (folds...
  17. M

    What to do for winter storage

    Hi, I live in the midlands of SC and I bought a pontoon in late summer. I have been doing some things to it to get it ready for use before winter comes but now we have discovered my wife has stage 3 breast cancer so now the pontoon is on hold until next year. I need to drain my fuel tank (fuel...
  18. M

    Please answer about folding hardtop

    I have a hardtop that I traded my softtop for, it is 12 foot long and I am putting it on a 21 foot pontoon. My question is does the hardtop fold down toward the rear or the front of my pontoon? Thanks for all of the answers ahead of time. Wade
  19. M

    High temp alarms all the time, please help

    I have a 1995 Mercury tracker 40 hp, 4 cylinder, 2 stroke motor. When I turn the key on the alarm starts screaming and regardless if the motor is started or not it never stops. Is this an indication that the buzzer is bad? How would I check it to see if the buzzer is bad or the sending unit is...
  20. M

    Checking oil in tilt/trim unit

    I have a tilt/trim unit from a 1996 Mercury Force 40hp. What is the correct way to check the oil level? A so called Mercury mechanic told me you have to raise the motor up then check the oil and add to full. But if I do that won't the oil run out when I let it back down with the plug out or if...
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