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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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    Honda BF50- 1001418 Year and compression

    Picked up this nice looking little motor a while back and finally have a chance to look at it. There is an issue in the lower unit, feels like a square bearing as it locks up every so many turns of the flywheel. I took the L/U off so I could do a compression test. I crank as my wife holds the...
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    Fuel tank and supply.

    If I can siphon fuel from my tank can I take that as proof of free flow and no fuel restrictions.
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    S.L.O.W. function 150 Evinrude EXEOM 1995

    Have pulled my hair out last 2 fishing trips. Same issue last 2 trips. Engine starts and run great in the morning , go 25 to 30 miles running great. Stop on an patty fish for a bit . When I restart the engine it is in SLOW. First off, I did not know it was in SLOW. I thought there was , and...
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    Through bulkhead barbed fuel line fitting

    I have noticed that my through bulked hose fitting is an anti siphon valve. I have a few questions regarding the fuel lines and filters from the boat to the engine. This post is not about the engine but about fuel delivery from tank pick up through hoses to the water separator filter onto the...
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    1991 Nitro with a 1991 Johnson JT150SLEIE warning horn buzzer alarm

    On this year motor what is the warning horn supposed to do? Is it overheat only? I have this motor on my Nitro but it has gone bad. It is a three wire horn but does not appear to be an OMC product. There are no markings on it at all. It is cylindrical black with a red rim on rim at the sounding...
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    Suzuki DT9.9C Driveshaft removal

    Well I do not have a manual for this one thought I did but can not find it. Job needs to be done. Doesany person know how to remove the drive shaft from this motor ? There is no nut at the bottom. Do I just yank it up ? Breaking the circlips on the way. Or must I remove the propeller shaft act...
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    Merc 9.9 0R063137. 1F10351DK. Carburetor questions

    Carburetor TK . 3YOF. A . 4F6 Two part question here. To set the float height what is the height and from where to where is it measured? Scold me or use me as an example. While cleaning the carburetor I nicked the float valve seat ever so slightly. Other carbs I have worked on have removable...
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    Yamaha 9.9 Enduro 1993 ? E15CMH. 684c s 145945

    Having a tech of a time with this one. Can any person direct me to parts and parts diagrams. Has the symptoms of a bad carb. The fuel pump leaks a bit also. Carb bowl and fuel pump have been to tight for who knows how long. I would like to find a whole carb kit for it. I think it is a 1993 but...
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    Mercury 15 HP 4 stroke 2007 1B152. FB

    Beautiful low hour motor starts on a pull, idles slow and smooth. Issue is that the longer it idles the louder I hear a ping or knock. Seems to be coming from the head itself. Motor has never been opened , all of the paint and gaskets appear as on a new engine. I am not much familiar with four...
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    Tohatsu Ignition Help M9.9B2 2 stroke

    I went for a spin with this motor a few months ago. Owner said it had a mid speed stutter but would get over it and run fine. It would start and idle fine and after the stutter at mid speed it would open up and run well.He said he had soaked the carbs real well and the miss was still there.So I...
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    J6RCDE Johnson 6 HP 1986 CDI question. CDI compatability

    My motor needs a power pack. I have a spare here 583170, the parts list the pack for my motor to be 582285. The 583170 is electronically identical to the 582285 the only difference is the length of the orange coil wires. On the 583170 the wires are too short to reach to the other side of the...
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