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    1989 15HP MERC

    Hi all I have a 15 hp mercury that stalls about 50% of the time you put it into reverse forward gear is no problem I should say I changed the lower unit seals the shift rod is set 16.5 inches from the top of the water pump and I have tried adjusting the cables on the tiller I think this is just...
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    Is this the wrong flywheel

    Hey guys been working on a 1988 100hp inline 4 mariner and had the timing light hooked up on the number one cylinder and indexed the flywheel and found the cylinder was sparking when 2 3 and 4 were at top dead centre .The flywheel that is on there right now is 261 9007 C2 from what I see that is...
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    1991 30 hp yamaha timing pointer

    Hi all I have a 91 30hp yamaha that I would like to check the timing on first step would be check the pointer is in the right spot I have a dial gauge and the manual. In the book it says turn flywheel clockwise and stop it when the piston is at tdc then set piston at 0.14 inch btdc and set...
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    Trigger fires multi times

    HI all I have a 1989 100hp mariner thats not running right I indexed the fly wheel and have found that the two top cylinders are being fired multi times such as when the other cyl are at top dead centre I have replaced the trigger and no change I think the ignition coils get over loaded and...
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    Low speed mixture screw

    I have a 1988 or 89 100hp mariner that i just purchased i know this motor is a 2+2 and i do have a factory manual my question is should the top 2 carbs have low speed mixture screws or not mine has the same blanks as the bottom 2 carbs in the top 2 thanks for your help
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    2004 mercury xr6

    HI looking at buying a project motor it has low compression on the number three cyl I was planning to check the comp on the other 5 and check for spark as well as check the lower unit oil any other advice and is there anyway to tell if its been rebuilt before besides looking at the crankcase...
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    100hp mariner

    Hi everyone I just bought a used boat with a 100hp mariner 1989 inline 4 . the motor was seized and I was hoping to rebuild it . this past weekend I opened it up and found that the top of the pistons around the top ring had many broken pieces and one had a large crack running halfway around it...
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    1989 40hp johnson

    Can anyone tell me if part number 432572 should have that bit of hose around it like the cam follower. Im trying to set my timing and think that part is missing the hose part thx
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    1991 75 hp merc starter motor

    Hi all when I try to start my merc the starter gear stays in gauged after the motor starts any Ideas thx
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    1997 merc 115 question

    iVE BEEN LOOKING AT THE PARTS DIAGRAMS FOR THE 1997 115 MERC AND THE 1990 MERC 115 AND WAS WONDERING IF THE 1990 CRANKSHAFT WOULD WORK IN THE 97 THE CONNECTING RODS ARE THE SAME AS WELL AS THE BEARINGS THE ONLY DIFFERANCE IS THE FLYWHEEL THAT i CAN SEE ANY IDEAS. THX
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    Does anyone know this block

    HI I have a 1998 115merc 2 stroke that threw a rod and put a hole in the block . I found one in florida that has know makings except what is cast into the block and it says 877 9146-07 xk they say its from a 1997 anyone know thx.
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    Can i use a reverse gear in my motor

    Hi i have a 1987 30 hp johnson the forward and pinnon gear are shot i was woundering if the forward and reverse gear are the same thx
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    30HP Johnson Gears Locked

    Hi I have a 1987 johnson that has the lower unit all locked up the propeller wont turn and the drive shaft wont turn there is no metal in the gear oil anyone have any ideas what went wrong here thx
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    40HP Force Overheats

    Motor is a 1992-1994 40hp just replaced the impeller still the same problem took the thermostat out started the motor and exhaust is coming out could this mean a bad bypass cover . Any help appreciated thx.
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    115 Ficht

    Hey guys looking for a winter project and a 2000 Ficht 115hp turned up it has 145psi on 3cyl and the last has 0psi so it needs to be rebuilt Ive rebult a few but never one with fuel injection or fuel pumps (all I know is carbs) and everything else that goes with such a new motor so if I buy a...
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    Is this to hot

    Hi guys I have a 1995 3cyl 50 hp johnson that runs about 78 C at idle speed on the muffs .Is this to hot does anyone know,This motor was just rebuilt thx
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    Mounting a motor

    Hi guys mounting a 75 hp motor on my 17ft alu princecraft.I would like to know if there is a special sealent that goes around the bolts or do I just use silicon.thx
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    Upper Main Bearing

    I have a 1995 3cyl 50hp johnson that I am rebuilding .Top and middle cyl are toasted but I have had all three honed and bored .The question I have is that while placing the crank into the crankcase half the middle bearings all go into their locating pins but the top doesnt is it supose to
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    50 HP Johnson

    hi guys i have a 1995 3cyl johnson that needs to be rebuilt .1cyl is in perfect condition not a mark on cyl or piston the other two are shot but i have been told all three must be bored out is this true .Also i was wondering if it is possible to make this motor into a 70HP model thx.
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    What year is my Mariner

    :DJust got a 20hp Mariner not sure what year it is can anyone help serial number is A701411 thx
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