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    90 horse Mariner bogging down-battery not charging

    My friend has a 1983 Mariner that he just put a new stator and 2 new power packs on. We put on the water and it ran great for a good while. After a while it wouldn't accelerate past 2000 rpms before cutting off. We know that the battery is not charging so he is going to install a new...
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    Am I getting the most out of my engine?

    My 1988 75 horse Mariner won't go past 5400 rpm and 35 mph at wot. It redlines at 6000. How do I get the most out of my engine?
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    Looking for prop pitch

    I am trying to find the pitch of my prop on my 75 horse Mariner with a stainless prop. Any help would me appreciated. Also what is the best prop for top end speed. I can go 35mph at wot. It is on a Tracker Tournament V17.
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    Bad stator?

    My 1988 75 horse Mariner is not getting any spark intermittently. After running great it will suddenly cut off just crank when I try to restart it. I know it is getting fuel because it will eventually flood out. Does this sound like a bad stator?
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    75 horse Mariner suddenly dies then just cranks

    Went to the lake after running my motor with muffs to tune it up and adjust the carbs. Had it running great and when I launched it started fine and ran fine. I shut it off for a few minutes to fill the inner tube and when I started it up to run across the lake it suddenly shut off and wouldn't...
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    75 horse mariner bogging down at low rpm

    Hey guys. My 75 horse mariner starts fine and beyond 2000 rpm runs great and revs up and down with no problem. The carbs were recently rebuilt and the plugs are fairly new. After starting the motor and after it warms up I have to shift into gear slowly because the motor acts like it is going...
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    '87 90 horse mariner wont run past 2500 rpm

    My friend has a 1987 90 horse mariner that won't run past 2500 rpm. Starts and idles ok but won't run at full power. It doesn't stop it just creeps along at wot. A mechanic told him that he needed a power pack, a stator and a rectifier. Does this sound right? He wanted to charge him $1200...
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    2 cycle oil

    Does anybody out there know what the best 2 cycle oil is for a 1988 75 horse Mariner. Is there one that I should avoid?
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    Dash board speedometer accuracy

    Does anybody out there know how accurate the speedometers are that work from a small hole in lower unit are? My 1998 Tracker V17 registers about 36 mph @5600 rpm with my 75 horse Mariner. My gps stopped working so I'm not sure how fast I am actually going
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    Lower unit oil or 2-cycle

    My 75 horse Mariner is leaking fluid out of the bottom water intake hole. I have had it repaired twice and I believe that it was fixed correctly by a reputable repair shop. The motor sat for several weeks without any signs of leaks after the repair. When I got to the lake last Saturday I...
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    75 Horse Mariner stalls at low rpm

    I have a 75 horse Mariner that stalls out and dies after I put in gear. When I finally get the rpms up to about 1500 the boat runs perfectly. I could raise the idle speed but I don't want to damage my lower unit when I put in gear. Any suggestions out there?
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    75 horse mariner acceleration question

    I am having trouble getting a good hole shot on my Bass Tracker. When I adjust my motor to idle at the correct rpms my motor shuts off or hesitates pretty bad when I put it in gear. If I can get it up to about 1700 rpms+ it will run like crazy. I feel like it has to be a simple adjustment but...
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    Need help with carb adjustments and throttle settings.

    I have a 75 horse mariner that I had some work done on it. When I got it back the motor was idling at 2000+ rpms. I can get it to idle at a more reasonable rpm by adjusting the screws on the side of my 3 carbs but have trouble keeping the motor running when I put it in gear. I made some...
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    Trouble with lower unit 75 horse Mariner

    I am having trouble reinstalling lower unit after a shift shaft seal repair on my 1988 75 horse Mariner. When I put the LU in neutral and throttle from the control box in neutral the lower unit will not go all the way up. when I put the throttle in forward it pops right in but now the prop...
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    Lower unit reinstall on 75 horse Mariner

    I just had the shft shaft seal replaced on my 1988 75 horse Mariner. Now I am having the worst time reinstalling the lower unit. The problem is getting the gears to correspond correctly. When I finally get to seat all the way it will ratchet in forward and neutral and turn freely in reverse...
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    What is the max rpm for my motor

    Can anybody out there tell me what my 1988 75 horse Mariner should be running at at wot? And how accurate are the speedodemeters that register from the little hole on the lower part of the motor?
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    Battery placement

    I am running a 3 battery system on my 17 foot Tracker V bottom boat. Is it best to have the trolling batteries in the front or in the back.
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    Can I increase my rpms?

    My 75 horse Mariner maxes out at 5000 rpms at wot at about 31 mph. My tach doesn't red line until 6000 rpms. The boat is a Bass Tracker Tournament v17. It maxes out the same rather I am by myself or with my wife and 2 kids. Is there something I can do to increase power or is that probably the...
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    75 horse Mariner bogging down

    My 75 horse Mariner bogs down when I put in gear but even shutting off at times. It runs great at wot. I just rebuilt the carbs and I am using fresh gas in it. Any ideas what might be the problem
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    Lower unit leak or something else?

    My 75 horse Mariner is leaking a gold colored fluid out of the bottom water intake hole. Would a lower unit leak come from there or could it be something else. If it is a bad seal how difficult is it to replace?
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