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    Tachometer replacement for a Nitro Ultra and Johnson 150 HP TJ150SLEIE

    A couple of question here. My tachometer is bouncing around , I believe it to be bad. The batteries are charging. I have the wiring correct according to the manual and experience. How many poles should it be set at for this engine? Can a newer system check tachometer be used as a replacement...
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    Mercury WMC Carburetor Red Primer gasket replacement

    This carb or close variations are used on lots of small Mercury"s, not certain of the model #"s. . Within the carbureter bowl of the WMC type carbs which contain the primer. is a small red gasket, o ring, seat thingy. It is included in the carb repair and gasket kits. I have never found it...
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    Merc 25 HP A741456 Canada Reed seal issue

    Spent some time figuring this one out. Hot spark jumping half inch, soaked and rebuilt the carburetor but still a no start..I knew there was a fuel delivery problem just not certain why. Error in rebuild rechecked and all that. So I pulled the reed cover off and found my issue. The seal had...
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    Auto Blend 1985 Mercury 60 hp

    Auto Blend on this motor. I am not sure how it worked, nor do I need to know. Recently acquired this engine. From the intake manifold are small hoses which go nowhere. They are attached to small nipples on the manifold. On the cowl support bracket there is a small nipple near the fuel line...
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    Mercury 60, 1985 , A139746 , Ignition/Carb/Switchbox Issues

    I checked the spark on all three cylinders and it is strong, jumps a 3/8 gap easily. I have a Seloc manual which shows the firing order and wiring diagram for the CDI to the coils to the 1,2 and 3 cylinder which I have followed. . The motor and manual have 1-3-2 as the firing order and the top...
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    Painting my lower unit on my Johnson suzuki

    Not certain where to post but it is a Johnson motor. Or not.I have had a few of these motors. They do not seem to hold up in salt water very well. I need to paint the lower unit as I have done on others in the past. Not real happy with the way the last ones have held up so I have some questions...
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    Johnson 15 HP J15R4SR 2003.

    I need a power pack for the above motor which is built by Suzuki. The parts listing shows part # 5033235 as the current replacement. A bit pricey for me. I have found a power pack for 2005 to 2007 9.9 and 15 Hp motors which is part # 5036265. It appears that the connectors are configured...
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    Mercury 18 Hp Soaking a Tillotson "BC"rectangular bowl double float.

    My 18 Hp Mercury has the above carburetor. In the throat of the carb is a plastic 2 barrel thingy. Can the piece be removed in order to soak the carb ? Or can this carb just not be soaked? Of course the manual says never dip the plastic parts only clean with solvent and blow dry. I sure...
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    1964 50 Hp Mercury, No spark on 2 cylinders

    My manuals go from 1965 up. I actually found an old manual for this engine and have ordered it but it will be a week or so till I get it. In the meantime I would like to see if I can do anything. I have no clue as to this old ignition system. I have a parts diagram that's it. I am going to put...
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    Mercury 50 HP 1964 - cutting a cylinder block cover gasket

    On this motor after I installed a water pump the cylinder block cover gasket started to leak in several areas. I removed the cylinder block cover and was able to save the old gasket for a pattern possibly. The cyl block cover has some pitting from age but certainly still has integrity to reuse...
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    VRO oil reservoir caps

    Are they all the same? Are they vented. ? Do they need to be serviced to insure they do vent if they are designed to do so ? Do they all have the small less than dime sized cap in the middle ? Is that a one way valve underneath the small cap ? If it is a valve is it pressure activated ...
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    Merc 3.5 HP 6594874 1984 Water in cylinder.

    Manual calls this a type B powerhead split block without head. This motor was running well but would fart and die after a while of idling . I checked the spark plug it was was clean.I shined a good light inside the cylinder and saw the piston clean and shiny on the right side.. I was hoping easy...
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    Mercury 50 Hp. 500E 3. 1964 S# 1641009 Bushing Removal

    I saw a post regarding the shift shaft seal replacement started by Skatopia. Looks like without the Mercury special tool the bushing takes a beating to get out. Before I gnarl up the bushing does anybody have a clean way to get it out of the lower unit. I am leaning towards heat and a plumbers...
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    Remote oil tank leaking or ??????

    I just looked into the bilge of my Nitro restore boat. It has a Johnson 1991 150 on it. In the bilge area was a bit of a mess, almost a quart of 2 cycle oil. I filled the remote 1.8 gallon tank almost to the brim. I did this in order to check my oil consumption while I was running on premix 50...
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    Mercury 9.9 or 15 HP serial # 0D290497

    This motor has a 9.9 cowl . Previous owner says it is a 15 HP. The sticker on the bracket is missing or illegible , the aluminum plug on the powerhead has this serial number D290497 . When looking up the serial number both the 9.9 and 15 HP come up. This motor is a tiller, manual start...
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    1996 Yamaha 15 hp

    Found another issue on this one. The crank case leaks air behind the power pack. Other than ppulling the power head and opening it up to reseal can anything be done on the outside along the leak spot?
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    Fuel tank venting question

    In the rear of my boat near the fuel fill is my fuel tank vent. It is about 6 inches down and to the side of the fuel fill. I put a clam shell over it to keep water from entering either by splash or by hose when rinsing off the boat. I noticed that the vent hose on the inside of the boat...
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    Fiberglass fuel tank vs ethanol

    Have a boat to woark on with a fiberglass fuel tank.. I tthink I remember reading that ethanol is especially corrosive to the resins fiberglass tanks are made from. Is this correct or do I just remember part of an old ethanol ranr
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    Suzuki dt9.9 pressure testing the lower unit

    Just to confirm while pressure testing this or any lower unit, does it need to be empty or full of gear lube. My l/u will hold 10 pi for over an hour while empty of fluid. At 15 pi I can see tiny bubbles slowly leaking from the front of the propeller shaft seal when held underwater . I don't...
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    1996 Yam 15 ESHU or Yam Enduro 15 hp E15CMH

    On these and a few other motors I have I can not figure out whether there is a gasket between the carburetor and the crankcase. One ran great, did not have a gasket, another runs badly and it does have a gasket. I looked up the parts diagrams for these motors, they do not show a gasket. Not on...
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