Recent content by zorak

  1. Z

    1985 Johnson commercial 100 hp compatibility

    Hi everyone. I need some advice. I just purchased a running 1985 johnson Commercial 100 hp VRO outboard #J100WMLCOC. This motor I think has a V6 lower unit on it (4-5/8" case diameter, please correct me if I am wrong) which corresponds with what little I have been able to dig up. My question is...
  2. Z

    Mercury 850 with weak spark?

    Hi all. I have searched this forum and I cannot find a definitive answer to my issue. I have a 1976 Merc 850 with ADI ignition. I got this motor with no spark. After testing the stator & trigger, I felt the switchbox was bad. I put the box off my parts motor 1977 ,same make/model and had spark...
  3. Z

    Merc 650 which lower unit

    Hi all. I have a 1974 merc 650 that has a 1.64 ratio lower unit. I just acquired a 1972 merc 650 with a 2:1 although I still come up with 2:0 by counting turns of the drive shaft. I checked this forum and I have seen reference to the 3 cylinder 650 having both a 1:64 and a 2:1. Ithe 72 looks...
  4. Z

    1974 mercury 650 lower unit seal kit part number?

    HI all. I just acquired a 74 mercury 650. I noticed that it appears to be leaking some oil from the prop shaft seal. I have been looking for several hours online trying to find the right part number for the complete lower unit seal kit. I can find them listed for just about everything else. I do...
  5. Z

    ercoa pontoon questions

    Hi all.I am going to look at an ercoa pontoon boat tommorrow.has anybody heard of them? I can get a good deal on this "project" not doesn't come with a trailer so I will have to build one.any info you guys can give me would be appreciated and thanks in advance
  6. Z

    Evinrude Trolling motor wiring.

    Hi all. i need a little help. I was given an Evinrude model # BFL4TS foot operated trolling motor.I only want to run it on 12 volts right now. I need to know which wires i need to use. It has 1 red,1 black and 1 white wire. I don't want to toast the windings by trial and error. If i assume the...
  7. Z

    Mercury Classic 50 stalling and hard starting

    Hi all. I could really use some advice. I have an 88 classic 50 merc. It seems to run very good as it propels my 15' trihull at 29 MPH. My problem is it is hard to restart after going to my fav fishing hole when i try to restart an hour later i have to reprime ,use the fast idle lever and...
  8. Z

    Melted Impeller

    Hi all. I need a little help. Late last year i replaced the impeller in my classic 50 and had a good telltale stream. To make a long story short,i was at the ramp and got in a hurry and fired up the motor out of the water. Took about 15 seconds to realize what i had done. I still had water...
  9. Z

    Erratic tach reading

    Hi all. I recently installed a fixed 12 pole tach on my 88 merc classic 50. My tach has erratic readings.Idle seems a little high and at WOT i am showing 7000 RPM's. I have a 15 foot procraft trihull with a 10-3/8 dia x 13 Pitch prop.The engine sounds fine and definetly doesn't sound like it's...
  10. Z

    Merc Ignition.Just Gotta Ask

    Can anyone out there shed some light on something i came across on Youtube. I saw a video of a 45 HP classic 50 4 cylinder running titled Bad trigger or something like that. It showed somebody using a timing light and you could see that on the same plug was firing multiple times on the same...
  11. Z

    Classic 50 spark advice?

    Hi. I need some advice. I have an '88 classic 50 with spark troubles. My problem is this. No spark on #1 and #2. I constructed a DVA adapter and tested the stator and the triggers. Both are in spec per resistance and voltage output.That would seem to indicate the switchbox is bad by a process of...
  12. Z

    Lower unit pressure test question

    Hi all.I have an 88 merc classic 50 that has water in the Lu oil ( AKA biscuit gravy). I have ran a pressure test on it.It started leaking around the gear shift shaft at 7 psi but would hold 5 psi overnight. i can put LU in FWD and hold prop shaft and as the drive shaft is turned the pressure...
  13. Z

    Need some advice on bunk position

    Hi all.I have recently completed a stringer/floor job on my procraft fishing boat and i need an opinion. I feel that the prevoius owner positioned the trailer bunks too far inboard towards the keel in an attempt to provide better support on the trailer.I have moved them outboard to where the...
  14. Z

    Keel stringer and plywood strips

    Hi all.I have been searching for a previously posted answer to my question but came up empty.In the process of removing the keel stringer i have noticed that the stringer was merely placed in the center of the keel along with 5 pcs of 3/4" thick plywood strips butted up to each side of the...
  15. Z

    Past the point of no return

    Hi all.After looking at every post i could find on the subject of boat hull rebuilding i decided to jump in and replace the rotten wood in my newly aquired boat.I got a good deal on an 87 15' procraft trihull boat ,trailer and running Merc 50 with power tilt and trim for next to nothing.I could...
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