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  1. fixitdaily

    1978 90 hp inline 6 carb issue

    I ran my fresh Mercury rebuilt 1978 inline 6 this weekend and ran very nice except I used a lot of fuel 6 gallons in 1 1/2 hour. Throttling up and down cruising at various rpm's to break it in. I noticed that the carb. linkage that connects carb.1 to carb.2 and carb.3 are soaked with fuel. Which...
  2. fixitdaily

    1978 Merc. 90hp fuel pump inlet cover??

    Any of you gentlemen know where I can get one of these?
  3. fixitdaily

    90hp inline 6 versa 85hp inline 4 transom weight??

    I am fixing to put a 90 hp inline 6 on a 1972 15 foot trihull starcraft that had a 80 and 85 hp inline motor on it before. The boat is rated for max 85hp.Will the added weight of an inline 6 make any great difference on the transom.I know back in the mid to late 60s Mercury made an 80hp inline...
  4. fixitdaily

    1978 Mercury 90HP serial number 5033791

    I picked up a 1978 90hp inline 6 for next to nothing (0=$) and it looks good.There are however a few questions I would like to throw out here.With todays gas what should this one be set at for WOT degree wise.Also the switchbox looks to be damaged,is there a difference between 332-2986 inline 4...
  5. fixitdaily

    1974 Mercury 85 hp

    Are the bleed restrictors for these motors still available somewhere?I have been looking high and low and cant seem to find any.
  6. fixitdaily

    Merc. 1974 85hp serial Nr.3871943 looking for some input????

    I need alittle input on another project motor.A buddy of mine gave me a 85hp merc. that hasnt run in 5 to 6 years or more.All the wiring harness was rotten so pulled it all off and got a new one.In the process of getting this thing cleaned up I soaked the cylinders in 2 cycle oil overnight and...
  7. fixitdaily

    1972 Merc.800 Parts question??

    just purchased a 1969 distributor in the hopes I could just change out the collar to match my carb setup.Well I was wrong now in order for this distributor to work I need the top carb cluster part number 52518 and this is NLA. anybody have any Idea's where these still can be purchased??
  8. fixitdaily

    1972 merc 80 hp Distributor question

    Will the Distributor from a 1970 merc 65hp model fit my 1972 merc 80hp.The 650 has the same style cdi ignition as mine just the distributor is a little different.I am pretty sure it will bolt up and work for my switchbox but I am not sure how it works with the carb link.
  9. fixitdaily

    1972 Mercury 80hp 800 serial 3192882 rebuild

    Due to low compression I would like go ahead and rebuild this motor serial number 3192882.My question is there a difference between low dome pistons and high dome pistons.Or does this only go for the inline 6's not the inline 4's. I was reading somewhere more torque with low dome pistons versa...
  10. fixitdaily

    1972 Merc.80hp 800 sparkplug choice???

    I know I will probably get bunch of different opinions on these plugs but your expertise is always welcomed.I am currently using NGK BUHW plugs but would like to get a new set due to renewing electrical componets(also still have a slight misfire).So my options are: NGK BUHW Champion L76V...
  11. fixitdaily

    1972 merc. 80hp 800 waterpump question

    I am a little concerned about a new water pump.I ordered a new complete water pump and installed it.But before i put the lower unit back on I would like to know is it hard to turn the drive shaft after the new pump is installed.Mine sure is.I didnt wrench it down real hard,it just tight.Any...
  12. fixitdaily

    1972 Merc.80hp and a 80's 115hp lower unit

    I need a little advise concerning a new water pump I have a 72 80 hp merc with a early 80's 115hp lower unit and I need to purchase a new water pump/complete kit I found 2 but not for sure if these are right.The lower unit is with the tapered bearing style and has the speedometer hose on it.I...
  13. fixitdaily

    1972-1973 80hp vers.85hp

    I have been reading some of the posts and was wondering compression difference between 80hp and 85hp motors.On my 72 80 hp I am lucky to hit 125 psi and on some post I have read that the 85 hp motors are hitting 140/145 psi.Looking at some of the engine specs there isnt much difference between...
  14. fixitdaily

    Boat Shop doesnt like you guy's

    I went down to my local boat shop today to pick up some odd's and ends and we got to chatting about my Motor Merc.800 and I had mentioned that you guy's hear had helped me alot.Thats when the discussion went sour,he said these guy's will lead you on a wild goose chase and you will end up having...
  15. fixitdaily

    1971 merc bleed restrictors

    Hello Guy's I just took the side covers off of my motor to see if the bleed restrictors are gone.Well they are either gone or were never put in or they didnt use them on this model.According to my book they did,but my book shows a variety of motors starting late 60's to early 80's so my question...
  16. fixitdaily

    1971 80 hp Mercury outboard 800 question

    Took the boat out today for a spin,ran good for awhile then started to run on three cylinders.Took number 1 spark plug out and it seemed to have metal shavings on it???So I put in a new spark plug tested it further and ran good till we loaded back up and went home.At the house I thought I would...
  17. fixitdaily

    1971 Mercury 800 bleed restricters

    I was wondering if any of you have dealt with the bleed restricters being missing or sucked in the motor causing it to Idle bad, wet plugs on cylinder 2,3, and 4.Number 1 piston plug looks great.
  18. fixitdaily

    1977 Mercury 115hp max rpm

    I have a friend call me today and ask me about his boat,so I would like to pass this on to you guy's for your opinion..He has a 1977 Merc.115 HP on a 14 1/2 foot Hydro boat weighing about 420 LBS.Also he is running a 13 1/4 by 21 Pitch Prop and he say's his Motor is screaming at 6000 RPM WOT and...
  19. fixitdaily

    1971 Mercury 80 hp 800 thunderbolt

    Hello again, I am really lost here again, I have been reading the manual and the forums trying to figure out this flywheel situation. From my understanding the flywheel on my Motor is nothing more than to charge my battery and to set the timing. I had to take the flywheel off to get to my...
  20. fixitdaily

    1972 Merc.800 Timing??

    My Motor seems to run pretty good but I am a little concerned with the timing,I have read the link and synch procedure and have read the manual several times and still not sure. Number 1 the only thing on my flywheel as far as markings are 3 dots and if I am doing this right, I used a dial...
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