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  1. merc850

    Mercury Outboards on the Water...Post your Pictures

    Re: Mercury Outboards on the Water...Post your Pictures My 1946 6hp KD4 on borrowed boat (2010 photo.)
  2. merc850

    1974 Mercury 650 starting problems

    Re: 1974 Mercury 650 starting problems Here's the wiring for the solenoid is only a heavy duty switch and is not polarized. I wouldn't pull the Mercontrol apart until you've checked the switch operation with a voltmeter.
  3. merc850

    MERC 1100 SS Desirable or no?

    Re: MERC 1100 SS Desirable or no? Here's some info on the insides
  4. merc850

    1979 Mercury 50HP mount

    Re: 1979 Mercury 50HP mount It's difficult to tell from your pics. but it looks like you are missing the pwer trim cylinder on that side if that's the case you might find one on ebay. If not you can remove the brackets and run without it.
  5. merc850

    50hp thunderbolt 500

    Re: 50hp thunderbolt 500 If your motor has these carbs note the filter screen. I took mine out because there is a filter near the fuel pump and I keep my fuel system clean.
  6. merc850

    '65 Merc 1000 Just Quit at WOT - Ideas?

    Re: '65 Merc 1000 Just Quit at WOT - Ideas? Here's a wiring diagram that might help; you have power to the coils and the difference in voltage is unusual but should not cause total shutdown. I would check the timing belt under the flywheel (they get old and break) and the rotor in the...
  7. merc850

    1986 Mercury 75 hp Bearing Carrier Retainer Wrench

    Re: 1986 Mercury 75 hp Bearing Carrier Retainer Wrench Here's one that I bought for a 1975 850
  8. merc850

    newbie with no clue merc 500 questions

    Re: newbie with no clue merc 500 questions The LU is in forward with no pressure on the shift cam it goes into N with a turn of few degrees of the shaft, then a few degrees more puts it into reverse. If you pulled the shiftshaft out then you dropped the C clip holding the shaft and pulled it...
  9. merc850

    prop shaft seal

    Re: prop shaft seal You have to undo the carrier nut (24) there is a tool for this (you might need heat and penetrating oil), or if it is too stuck you can drill holes in it and break out the pieces then you have to pull the bearing carrier out of the housing. If this has never been done...
  10. merc850

    I'm new. Need help please! Mercury Kiekhaefer 650. 1971 I think Having click of death

    Re: I'm new. Need help please! Mercury Kiekhaefer 650. 1971 I think Having click of d Noprob, if you have the type with the brushes facing upwards you can make this tool to make reassembly easy. I made one out of an old CD-ROM drive housing - it is strong enough to hold them and easy to cut and...
  11. merc850

    I'm new. Need help please! Mercury Kiekhaefer 650. 1971 I think Having click of death

    Re: I'm new. Need help please! Mercury Kiekhaefer 650. 1971 I think Having click of d You can take the starter apart and check that the brushes and armature are good at that age cleaning it is long overdue.
  12. merc850

    Would really appreciate help with Spark on Mercury 1000 Thunderbolt ignition, 1968?

    Re: Would really appreciate help with Spark on Mercury 1000 Thunderbolt ignition, 196 Here's a chart for rectifier testing and you can use an ohmmeter.
  13. merc850

    850 85 hp Mercury 1975 won't turn over

    Re: 850 85 hp Mercury 1975 won't turn over Make sure the control is in neutral, turn the key and move the handle a little bit it could be the neutral safety switch inside the control box. Jump a wire from the + side of the solenoid (large red wire terminal) to the small side of the solenoid the...
  14. merc850

    Need help with buying used tilt/trim unit..

    Re: Need help with buying used tilt/trim unit.. Yes that will work here's the schematic for hook up and I had mine stop working Sunday because the brushes were gone so when you buy it take the end cap off and check the brushes and maybe clean the commutator with very fine emery cloth.
  15. merc850

    1975 Mercury 7.5 progress report

    Re: 1975 Mercury 7.5 progress report Here's a page from the 1975 Manual soon the whole manual will be on this site!
  16. merc850

    Does a magneto charge the battery

    Re: Does a magneto charge the battery Here's the wiring diagram for most 4 cylinder engines. Check the serial Nr. located on the clamp bracket between the thumbscrews this will help with parts etc. Take the cowling off and look on the right side (viewed from back) you should see two yellow...
  17. merc850

    Does a magneto charge the battery

    Re: Does a magneto charge the battery Here's a view of the magneto with covers off and some info on point gap etc. No this magneto will not charge a battery - the bolt on the side is for a wire that grounds the magneto (kills it) when the key is turned off do not hook + power to this terminal...
  18. merc850

    Attention all power trim owners

    Went to trim up engine last Sunday and all it did was nothing! Pulled the motor apart and found this NO BRUSHES so if your motor stops spinning it is worth the 10 mins. time to check for this problem I am looking for new ones at my Merc dealer today. (I was going to check it in the winter but...
  19. merc850

    merc 85hp cant set max timing

    Re: merc 85hp cant set max timing Here's the procedure for initial timing You have to set the pointer at .464" BTDC with a dial indicator or 15/32" by ruler.
  20. merc850

    Merc 1000 not getting spark, checked everything I know need pointers

    Re: Merc 1000 not getting spark, checked everything I know need pointers Here's a wiring diagram for point ignition Merc 1000's. Your problem might be bad wiring, poorly grounded distributor (there's a ground strap that goes from the block to the dis.), bad ignition switch. There should be at...
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