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    97 Mariner 150hp Overcharging and No Tach

    Hello, Hoping someone can give some advice, Issue's noticed when trying to fix strange tach readings. The readings I was getting are all over the board. I have the 40 amp duel regulator charging system. All wiring to tach is intact and when testing charging system i found it to be overcharging...
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    Boat trailer leaf springs

    Broke a leaf spring recently and I'm having some trouble finding a replacement. Hoping some of you could help. They are 4 leaf double eye springs. The measurement from center of eye to center of eye is 26.5 inches. This is with the spring off and sitting on a table. the arch height is 4 inches...
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    Kill switch/emergency cut off question

    I have the standard up is run down is off switch on my throttle controls. My question is when I remove the lanyard the knob stays up in the run position, is it suppose to be spring loaded? I can move the knob up and down freely but it stays in whatever position I leave it in. It seems the...
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    Protester prop?

    Got a new boat with a protester prop on it. Has two different numbers in it. "3021C" and "25800" can anyone tell me the pitch? Motor is a 97 mariner 150hp. Thanks
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    Considering buying 1990 GT 200 Johnson V6

    Lookin at a used boat with above mentioned engine, never had anything like it just asking for opinions. Owner claims it was rebuilt and bored .10 over with new everything. Runs good. Started right up on hose buy was a little harder on water. Had to choke it a few times even after it was warm...
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    Prop size differences

    So I recently picked up a used lower unit to replace my old one. It was suppose to be identical and seems to be as I mounted it but the prop isn't going on right. My engine is a 1990 force 120hp and the lower came off a 1991 force 90hp. The prop splines up but it seems to grab where the prop and...
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    water pump seal?

    got a simple question, just replaced my lower unit after having it off for a month and I cant remember how this seal went on. it comes in the water pump kit and goes on the driveshaft I just don't know in what order. thanks
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    Rebuilt lower units for sale

    Anyone know of a good dealer of rebuilt lower units? I had a place in Jacksonville, FL that charged $700 but sold the last one for my model and all the places I have checked online are asking $1500 and up. Thanks
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    Identification sticker

    Friend of mine has a late 90's force that I might buy buy the identification sticker with model and serial # is unreadable. Any other place I can find this info?
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    120hp Force lower unit compatability

    Trying to find what years and HP had lower units I can interchange with on my 1990 120hp. Model #- H1208F90B. Is there any other info I need? Thanks
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    help lower unit shift screw!

    Got water intrusion in the lower unit so I figured before ordering complete seal kit I would replace all fill plug seals and also the clutch dog screw o-ring. Well after taking the screw out the clutch dog fell down. After about an hour of playing around with the shift rod I got screw back in...
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    1990 force 120hp RPM range

    I tried searching but couldn't find the answer. What is the top end RPM that I shouldn't exceed? also at what RPM are these engines most efficient while running? thanks
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    cdi box

    1990 force 120hp Hey guys found out I got no spark on #4 cylinder and after some test it seems to be my CDI box. Question is can half the box go out and the other half still work? I always assumed if one ever went out it would kill the 2 cylinders it controls but I can switch the wires and...
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    bogging/pulling issue

    hey all, just got a new to me fish and ski boat with 120 hp force so the family can do some ski ing,anyway problem im having is that when i first take off. the boat seems to kinda bog like im tryin to pull to much weight or something.(even with kids on tube) and it will do this for a...
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    Building a livewell

    Decided i wanted to build a live well into one of my benches in my jon boat,got an idea of what i want to do just wanted to get some opinions. ive got a big peice of lexand from when i worked at a glass company which is basically 1/2 in think plexiglass but stronger.i made a doodle of my idea.i...
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    planing help

    I need some help guys. i got a 16' lowe semi tunnel hull jon that i cant get to plane out.when i first got the boat it had a 25hp johnson that i got to plane once only because i hit another boaters wake. now i have a 35hp evinrude but still cannot plane.i was having alot of problems with boat...
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    Starter help

    Just got an 84 35hp evinrude to replace my 72 25hp johnson.evinrude came with starter bracket but no starter so im takin mine off the johnson to put on it.the brackets are exactly the same but the problem im havin is when i try to put the bracket with starter on the evinrude it doesnt fit.the 3...
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    drive shaft hard to turn

    just got an 84 35hp evinrude and decided to replace all seals in lower.put lower back together and was testing before i put the lower back on and the drive shaft was really hard to turn.thought something was binding with impeller so i took the water pump back off and turned it with it off,its...
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    boat planing question

    first off ive got a 16ft aluminum jon with a 25hp johnson.my boat is also a semi tunnel hull,ive been running this boat all summer not really having any problems other than its kinda slow but the other day i was in a hurry goin back home and was running the boat wide open and every now and again...
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    1972 25hp johnson idle and over rev issue

    i just bought this motor and havin a few problems,first i had a hard time gettin it to idle in a test tank.the only way it would is if the needle valve was adjusted all the way out so that it wasnt even threadin in at all just sittin in there.i took it out for a test and it ran great,the next...
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