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    Fuel leaking when motor tilted.

    Early 80s 40 hp. Serial # 7207752 Canadian made. When tilted fuel runs out of the carb throat. I know some fuel dripping is "normal". If I pump the primer bulb with the motor tilted it pours out. If I prime it while the motor is down it fills the bowl like it should and the the bulb gets hard...
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    1982 7.5 hp shifting problems

    Canadian made # 7180524 1982 7.5 hp.. I have not seen the motor and do not know the history of it.. I was told that forward gear is where neutral should be and neutral is where reverse is. And for reverse he has to really force it and it pops out of reverse. He is...
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    FD-20 Carb question

    My nephew has a 1966 20hp Johnson.. And when the primer bulb is pumped and also when running gas sprays out the side of the carb.. There is hole on the side of the carb below the slow speed drip chamber.. This where the fuel is leaking.. I only saw a bad quality video of it.. I believe it is...
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    1972 johnson rewind starter

    On the underside of the pully it says arrow here rope recoiled and there are 2 marks.. When the rope is recoiled the arrow is off by 2 inches.. How do I make the pully line up with arrow? Edit sorry it is a 25 hp. Thanks.
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    1981 40 hp wot rpms

    Serial number 7207752 Canadian made 40 hp. I have a tiny tac ripoff from china.. With a 10 3/8 x 13 prop it bounces between 4900 and 5000 RPMS. And with a 10 pitch prop it bounces between 5500 and 5600 RPMS... I am not sure what the wot range rpms are for this motor...
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    Prop nut torque

    What is the proper torque value for a 1981 40 hp merc prop nut. Thanks in advance.
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    40 hp neutral start switch

    I am adding electric start to my 1981 tiller model.. I have all what I need except the neutral start switch.. The switch is #22 in the diagram.. It is NLA. I am trying to find one.. The biggest problem is I do not know where it is supposed to be mounted.. Does it contact the shift shaft or where...
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    Early 80s 40 hp

    Canadian made tiller model with rope start serial number 7207752...The previous owner had 370 dollars of work done in 2018 and the motor was not used this year. The work done was a new impeller, gear oil change, carb cleaning and new spark plugs.The picture is the plugs I removed from the motor...
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    Info needed on 40 hp mercury please.

    I am going to look at this motor and it looks around 1980-1982.. Is there anything I should be careful of with it... I have seen new old stock ignition parts still in the box with crumbling wires...Supposedly has had a tune up and a fresh impeller.. thanks..
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    1970 6hp gearcase seals

    I am replacing all the seals in the the gearcase and everything is ok until I install the skeg... With the skeg off the driveshaft turns and I can find FNR by moving the shift shaft and holding the prop shaft in place.. But when I install the skeg and pivot pin the driveshaft locks up.. And I...
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    1993 15 hp stator

    My nephew has a 2 wire stator on his 15hp... It has no spark and the testing we did points to the stator... It has 2 leads coming off the stator and in the parts diagram it shows 2 wires also... But the all the new stators have a 3rd black wire.. I assume the black wire is a ground... We saw...
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    48-43586-13 merc prop

    I have a prop that is part number 48-43586-13... I believe the 13 is the pitch.. But there is no diameter stamped on it..It measures around 9 1/4".. It came with a 1994 20hp I have..I was getting around 5200 RPM WOT with this prop... I have since put a 25hp carb on the motor and the RPM went up...
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    1970 6hp shift cradle

    Last year the lower unit had a trace of water in it as the oil was milky.. It was stored indoors over the winter with new oil in it.. I ordered a seal kit last week and am still waiting for it. When i drained the gearcase there was some water and small metal flakes.The shift cradle was just...
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    6hp Johnson

    I found a 6hp johnson today around 1970 or 1971 and the ignition cam and the plastic cam follower from the carb are worn down..... It looks like the cam has ground down and it cut into the plastic follower. I have some better pictures but for some reason I cant down load them... Is this a normal...
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    1970 6hp johnson starts only at high throttle

    I bought a 1972 25hp last fall and the 6hp was a throw in..... I think the 6hp is probably the better of the 2....The motor had new coils points and condensers when I bought it..... I have put a carb kit and impeller as well as a new thermostat... I have got it to idle super slow in neutral...
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    1994 20 hp lower unit shift rod boot.

    Where the shift rod exits the lower unit.-- I have water coming out while running. ---There is a boot part number 85552001. I have tried a couple of times to seat it and it still leaks.--- The boot is not torn.--- It has been this way since I bought the motor and I am pretty sure it really does...
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    1997 minn kota 48 AT bow mount

    I bought a 1997 minn kota 48 AT bow mount motor. I asked over the phone if it was 12 or 24 volts and he told my 12 volts. But while looking at wiring diagrams it shows 1 battery for the 42 AT and 2 batteries for the 48 AT. He said he has owned it for 7 or 8 years and ran it as a 12 volt. I did...
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    Will 700 feet of elevation affect an outboard?

    One of the lakes I frequent is around 450 feet and another has close to 700 feet of elevation. I do not feel any difference between them, But when I boat on the St Lawrence river close to sea level it "feels" like I am turning a few more RPMS. I do not have a tach so I can not confirm...
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    Outboard mounting angle

    I have a new to me boat that I installed my long shaft 1976 40 hp evinrude on. It is a 16 foot fiberglass tiller with an almost flat bottom with rounded sides and a deep V bow. It is 68 inches wide at the transom and 74 inches at its widest point. It is rated for 45hp and for 1580 lbs...
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    25E72R cam follower question

    Does this cam follower sleeve look worn down? I have it set that the throttle plate starts to move at the first of the 2 marks. And when the mag plate goes around and hits the stop the throttle plate is fully open. The reason I ask this is because I have not seen one of these sleeves before. I...
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