Recent content by duckhunter55

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    1998 35hp Johnson Probs

    I have a 1998 35hp Johnson longshaft tiller steer motor mounted on a short shaft transom jon boat via a mini jack plate. I have the plate which sits directly above prop (cavitation plate?) just a tad above the bottom of the hull maybe 1/2in. I bought a new 15p sst prop for it and at first...
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    1998 35hp Johnson tiller steer 3 cylinder

    I just bought the above motor. It has the oil injection still connected. I have put 50-1 mix in the tank just to make sure the injection is working. I haven't run it enough yet to confirm that the oil level is dropping, but motor runs fine. My question is, do the tiller steer motors have alarms...
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    1997 35 Johnson prop

    Just bought the above motor. RUns great. THe motor came with a 10 x 12 prop. I have the motor on a 16 ft. aluminum, riveted boat. Boat is very light, no console, no flooring, just 2 batteries and me, 270lbs. I know all about the effects of pitch and rpms, but i broke my tiny tach and dont...
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    1997 35hp Johnson

    I am considering buying the above motor for $800.00. It is a tiller steer, electric start motor. I am not positively sure, but judging from the pics the cowling looks pretty tall which suggests a 3 cylinder. I was wanting to get some input on these motors from someone that has owned one like...
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    2005 25hp Johnson

    Got a 2005 25hp JOhnson 2 stroke 2 cylineder motor with a problem. Motor has ran fine since new, but the other day I ran out of gas. Tank still had a little bit of gas in it so i cut the hose at the clip and stuck the hose directly into the remaining gas. Made it back fine, but later that day...
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    70hp merc busted

    Just bought a 1980 70hp mercury 3 cylinder 2 days ago and ive already ruined it. Bought it from a retired boat mechanic who holds over 40 diplomas from factory outboard motor schools. Motor had 140 lbs compression on all cylinders and he had just replaced water pump and decarboned within the...
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    classic 50 prob's

    Have a 1986 Merc. classic 50. Motor runs great at home on muffs, will rev up as high as u want. But once at river will take off and get up to 3000 RPM then stop and go down to 1500 RPM even at full throttle. WIll not go over 5 mph. Have had carbs cleaned and switch box replaced, mechanics...
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    Merc Classic 50 Prob's

    Alright after trying to reconnect a ground to the cylinder head cover bolts, i snapped off the head of the bolt flush. Water leaked out so i decided to go ahead and try to remove the rest. Broke 2 more before i stopped. I used heat to. Now it leaks water pretty good from the bolts. I do not...
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    Merc Classic Fifty Probs.

    1987 Merc. Classic 50 45hp. Motor has ran good since i bought it, which has been around 2 months. Last 3 times out, motor would start off for the first few hours running around 5300-5500 RPM. Then over course of the day motor would drop to 4000 RPM and rarely get above that. It would always...
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    1987 35hp Merc

    Bought motor used, and from only hearing it run on the muffs. Started and ran fine. After putting motor on my boat, the motor will only start in fast idle, and would cut off upon bringing back to neutral. A local mech. suggested (cant afford for him to fix, and after he listened to it) that i...
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    1978 25hp Johnson Timing

    ALright finally got the old motor out of the garage again to try and get running right once and for all. Its a 1978 25hp Johnson. A little background info. Originally a manual start, but i have added a 1978 25hp electric starter on to it. I also have replaced the pull starter housing with an...
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    Replacing motor Mounts

    Have a 1987 35hp merc. with shot upper motor mounts, which causes the motor to rattle very badly. I also have a leak in which water shoots out right under the powerhead. Is this the crankshaft seal? Does anybody know how difficult this would be for a somewhat handy person with a manual to do...
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    Merc Carb Problems

    Ok after just taking my 1987 45 hp merc to mechanic to get the top carb fixed, because of gas shooting straight out of the little hole on top of the carb, and bringing it home, i ran it at the lake and it ran fine. I put it on the muffs today just to make sure it was still running and now when...
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    Submerged battery

    Alright after using my boat on the lake and then returning home and forgetting to pull plug, the back end of my boat filled with rain water enough to cover the battery completly with the pos and neg wires still connected. None of the switches at the helm were submerged. I have since tried...
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    Carb Problem

    After starting my 1987ish 45hp 4 cylinder mercury in the yard and running at all throttle postions with no problems, i take the boat to the lake and when i put in water and go to pump primer bulb gas shoots out in a straight line from one of the little holes on the top carb. It was not doing...
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