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  1. DunbarLtd

    Water tube connection after repairing power head adapter plate gasket.

    Force 88 85hp I decided to replace the adapter plate paper gasket after failing to fix a leak with silicone. All went well with lifting the motor and lowering. Got everything back together fine. The only thing I noticed was where the water tube comes up into the power head. At the surface of...
  2. DunbarLtd

    Link and sync procedure?

    88 Force 85hp Im having intermittent sneezing issues on startups after turning mixture screws out to 1 1/4. At times it will fire within a single crank and run fine. Not sure if this is relevant but the motor shakes a bit much when idling @ around 1500 rpms or about 5-6mph. Shakes the windows...
  3. DunbarLtd

    Rack and pinion steering adjustment for steering wheel?

    I am not sure if this is relevant to this forum but my boat make and model commonly had the Force outboards. I have a late 80s Bayliner Capri 1700 that has a "rack and pinion" steering. I guess thats what its called. Its definitely not cable driven. My problem, although tolerable and mostly...
  4. DunbarLtd

    Steering arm issue.

    '88 Bayliner 17ft 85HP force. This steering part(bottom side of the bolt thread is hitting the plastic cup and tearing it up. Its maybe 1/2" too low but havent measurerd it. If I pull on on the arm manually I can get it to clear the cup but it sugs when under normal use. There is wood under...
  5. DunbarLtd

    What brand 2 cycle oil does everyone you use for your 50:1 fuel mix?

    Hey everyone, I was just curious what brand 2 stroke oil you guys use and why you choose to use it? Ive been thinking about trying different brands and seeing what the differences are, if any. Maybe save some money if possible. Im sure this topic has been beat to death but I cant find any...
  6. DunbarLtd

    Power trim motor not working in UP??

    Went to hit the trim switch to raise the motor and all i hear is the relay clicking but the trim motor is not powering on. So I took the cover off the trim motor. I cleaned off the copper commutator. Magnets inside housing were fine. Nothing appeared burnt or melted. Also sanded the two little...
  7. DunbarLtd

    How to remove propeller shaft?

    1988 Force 85hp 856X8A Well its bad news...... last time out about halfway across the lake I heard a nasty sound coming from the lower unit enough to stall the motor. Used the trolling motor to get back to the docks. I had just changed the oil 2 weeks ago too with Quicksilver 90wt. Anyways to...
  8. DunbarLtd

    Brand new plugs...???

    88 85hp brand new spark plugs. First trip out with new plugs yesterday. This is what i found when taking them out when i got home. It has a fine grainy texture to it. How to fix this issue with these motors? 50:1 Quicksilver Premium Synthetic tcw3 oil. 87 octane Chevron gas with stabilizer and...
  9. DunbarLtd

    85hp Engine block head cover. RTV type???

    I am replacing the head gasket and need to seal the cover onto the head. No gasket required. Does anyone know what type of sealant to use on the cylinder head cover for an 88' Force 85hp outboard? Manual says silicone rubber so Im assuming black rtv will work? Or is the a better product...
  10. DunbarLtd

    1988 Force 85hp Top end rpm loss troubleshooting help.

    Hey everyone, I started a thread before but it got way too long so I wanted to start a new one with some updated and more accurate findings. Compression: #1 cyl - 130 (top) #2 cyl - 130 (middle) #3 cyl - 135 (bottom) I am having issues with top end rpms and would like to know how to...
  11. DunbarLtd

    88 Force 85hp (3 cylinder). Engine sputters under heavy acceleration from idle.

    I did a lot of searching and havent really seen this topic discussed much. So I wanted to start a new thread about this issue. I think I have an idea whats causing the problem but i figured id come over here and ask you guys. After warming engine lets say first thing in morning, if i am idling...
  12. DunbarLtd

    Minn Kota Edge 12v 45lb trolling motor inner shaft upgrade?

    I bought a Minn Kota Edge 12v 45lb thrust bow mount foot control about a year ago and i guess a screw came loose on the inside and damaged the main shaft and now i need to replace it. Ive torn into the unit and its pretty simple to understand. The main shaft is simply threaded into the motor...
  13. DunbarLtd

    1988 Forcce 85hp Losing 4mph top speed after decarbing???

    I've had this outboard for about 3 years now and havent done much to it. Ran pretty good when i bought it. Just maintenance repairs like hoses and stuff. I did rebuild the carbs last year. Also ran some Quicksilver power tune through the carbs/cylinder soak last year. Was able to get up to 35mph...
  14. DunbarLtd

    Single axle trailer hub missing spindle "wear sleeve"?

    I am replacing the hubs on my single axle trailer that i use to pull a 17ft fiberglass boat. I noticed last time out the starboard side rim had black grease flung all around the inside. So when i had the time i took off the rim and hub and removed the seal and bearings and I noticed the inside...
  15. DunbarLtd

    '88 Force 85hp exhaust boot split open. I need help identifying a plastic part.

    My exhaust port boot or whatever its called split open last time on lake. I have provided a link to some pics. I found a piece of plastic that is supposed to go inside the rubber boot but i cant tell which way its supposed to sit as the diagrams are too blurry. I know it goes on the tapered...
  16. DunbarLtd

    1988 Force 85hp noticed black oil dripping onto garage floor.

    I have been running this motor for a couple months and havent seen this yet. It has ran strong and started every time. Idles fine too. Previous owner must have had it dialed in. One of the reasons I bought the boat. It started right up and ran for 10 minutes strong when we looked at it. Not even...
  17. DunbarLtd

    My mechanic recommended yamaha Ring free for my 2 stroke. Any good?

    I have an issue with trolling for fish and my 85 hp force fouls plugs if i run at idle too long. Mechanic told me to use Yamaha ring free. Will this product do what it says or will i still have fouling issues still? Motor starts every time and idles fine. No power loss. I get a steady 35-36mph...
  18. DunbarLtd

    88' Force 85hp Power trim unit seems weak going up after replacing.

    88' Force 85hp with power trim and tilt unit Recently replaced power trim unit and valve. Added proper oil (30w non detergent) as instructed from dealer. At first it was very slow going up. So i kept trying and eventually it started to go up and down. I figured since the system was empty it...
  19. DunbarLtd

    Force 85hp Controls @WOT but carb butterflies only 3/4 open.

    I did the lync and sync that is at the top of this forum to the T and I can get the carby flies to open fully all together without the cable connected. I adjusted the towershaft link rod correctly onto the cam. The cam is not bent. The roller has been adjusted out so that the line on the cam is...
  20. DunbarLtd

    '88 Force 85hp gear shift cable installation

    Hello everyone, First of all Im new here and also to boats in general but i have excellent auto mechanic skills. I just havent worked on boat motors yet so any help is definitely appreciated here. I realize i am in for a long long journey of learning about these outboards but im excited and...
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