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    Weight and engine bogging

    1988 85hp - Would improper carb and timing adjustments cause the motor to act differently under different loads? If I put 2 or 3 people in the bow of my boat and give it throttle, it bogs down and wants to stall, put it in neutral and idles ok. If I have noone in the boat except myself and...
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    Starting issues

    Hi again all. So I've posted several times regarding my ongoing issues after I went and rebuilt my carbs. Now my issue is that the motor starts and idles fine on muffs but does not start at all when I put it in the water. I've got it at the local marina and mechanic was eluding to something to...
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    Help! starts on muffs but not in the water???

    Please help!! 1988 force 85hp starts fine on muffs and runs good but when I put it in the water it doesn't start at all and the bulb won't stay hard. What could it be? Thanks in advance for the help. Diaphram is new, carbs rebuilt, new water pump, new plugs.
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    Carb rebuild didn't do it, still running at 4600 rpm max

    So i posted several topics related to how I couldn't achieve more than 4500-4600 rpm at WOT and 30MPH on the GPS on my 1988 Force 85HP on a 17' Maxum and both the prop forum and this one, the advice was that something was wrong with the motor becuase changing between 17 pitch and 15 pitch made...
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    ARRGH!!! Carb rebuild now doesn't start

    :(MAN this sux!! rebuilt the carbs over the last week and went really well - did everything by the book.. Got them back on the motor yesterday put it in the water today and fired her up. Fuel spitting out of top and middle carb so i figured the floats were either not set properly or were...
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    Thanks!

    Glad I listened to you all and rebuilt the carbs myself. It was a challenge but definitly manageable. Definitly would recommend same to others that are on the brink of spending $300 - $400 to have it done. Still have the most difficult step ahead of syncing but think with my manual i'll be...
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    Throttle Shutter gap???

    Just finished re-assembling my second carb and noticed that when I put in the throttle shutter there appears to be a slight gap at the top of the shutter and the carb body (i can see daylight). The first carb I put back together does not have this gap. Is this ok to leave or is something...
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    Welch Plug - 88 Force 85HP

    I'm in the process of reassembling my carbs and got to the welch plug. My manual (oem service manual) says to install the welch plug and tap it in the center so that it spreads and is held in place then use nail polish to seal. Issue is that the new welch plug (in the repair kit) is much...
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    Carb rebuild kit

    1988 Force 85HP - Can anyone suggest the proper carb rebuild kit. Iboats lists a few and not sure which is the right one to get. thanks
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    Oil slick

    So what would cause the oil slick (its light) in the water every time i put the motor down initially or stop and sit around for a while. Its a 1988 Force 85HP. Thanks
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    Should I attempt carb rebuild or let marina deal with it???

    Decisions decisions. Obviosly would love to save the cash and do it myself but seems a bit complicated. I have an oem service manual thats pretty good for mostly everything and I've done alot myself, just seems like the carb rebuild can get hairy with syncronizing, etc. Should I attempt it or...
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    Tach and prop issues

    So i posted in the Force Forum and got some good feedback but figured I'd try to get more here. Got a 1988 Maxum 1700MA powered by a 1988 Force 85 HP. Had it out twice so far and runs great. First time out the stock tach didn't work. I bought a piranha prop 13.7x15 pitch per their...
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    Tach issues

    Just want to say first how thankful I am for all the advice I have gotten over the past few months. Due to the great knowledge of several of you I was able to get my 1988 Force 85 HP to run and run great. However, I've been trying to figure out which prop to go with and getting my tach to...
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    lower unit fill and vent screw gasket

    Are rubber o-rings ok to use on the fill and vent screws instead of the vinyl or fiber ones?? Thanks in advance.
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    88 Force 85HP thanks Frank, replaced water pump

    Well thanks to Frank and his step by step directions, I was able to replace the water pump assembly in my 88 force 85 hp. All went smooth for the most part and the most difficult parts were getting the impeller lined up with the key in the housing and getting the lower unit back on so the...
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    88 Force 85 Fuel Pump question

    Anyone know the best place to pick up a fuel pump diaphram online? Is this a necessary component to replace in the process of tuning up? And is there anything else with the fuel pump that should be replaced. I just bought the boat and don't know how long its been sitting (at lease since last...
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    1988 Maxum 1700, Force 85

    I picked up the boat last weekend for $1000 and its in decent shape (at least better than the last one I bought a few weeks ago that had a bad bottom cylinder) This force actually runs and I took it to the marina and had the compression checked and got 130, 135, and 140 which from what i've...
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    1988 Force 85 HP, Propeller question

    Hi all, This is my first boat/motor and I need to replace the prop. Does anyone have any recommendations on a replacement? I tried searching on this site and not sure if I have a dual exhaust or not. Thanks in advance.
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    88 Force 85 HP Water Pump

    Hi All, Can anyone recommend where I can order or obtain a water pump/impeller kit? I need to replace and this will be my first shot at it. Thanks
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    Intake Drain Hose

    I noticed that the intake drain hose is missing from the bottom of the intake on my 90 HP Force that I just purchased as well as the intake itself being loose. I bought some new bolts and gaskets to reinstall the intake. Question is the rubber hose off of the intake (its missing), being a...
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