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  1. mstahl1171

    1988 Johnson 150HP black oil residue

    My 150 started spewing black oil out of the top exhaust ports yesterday after a good 4 hour run. The residue is a thick blackish / brown oil that has the consistancy of of Maple Sryup. What could cause this? Im thinking maybe carbs or VRO? Any thoughts?
  2. mstahl1171

    Engine swap questions

    I just swapped out my old 1990 Johnson 140Hp with a 1988 Johnson 150.Everything works as it should except the Tach. I have the old Tech Series gauges on the boat. The tach will not read @ 1000 rpm...but if i bump the throttle up to 1500 rmp...works fine. I know the tach worked fine with the...
  3. mstahl1171

    1988 Johnson 150 Water Temp Gauge?

    I would like to add a water temp gauge to my V6 Block but see no place to install a sensor. My 1990 140 has one on the Port head. Is it possible to add on to the old V6?
  4. mstahl1171

    Sad Day and Thank You

    I just wanted to say thank you to all who helped me get my 1990 Johnson 140hp running great. After all the work and money that went into it, I was out running over the weekend and at full speed I hit an unmarked broken piling in 9 foot of water. The poor motor now has a destroyed lower unit and...
  5. mstahl1171

    1990 140Hp Johnson grinding noise

    Motor ran fine all day. One my back in to the dock...at idle speed..the motor suddendly made a grinding noise for a quick second then it went away...kinda like someone running their finger nails down a chalk board. The motor ran fine for a few more minutes till I got back to the dock. Afterwards...
  6. mstahl1171

    Magellan NAV 6500

    I recently acuired a used boat with a NAV 6500 installed and working..except for one minor thing....maybe. It finds satellites and gets a GPS fix...but once the boat get moving...it seems to lose satellites and never aquires new ones. Is there a setiing I am missing? I hate to remove it...it...
  7. mstahl1171

    1990 Johnson 140Hp J140TXESE overheat / SLOW Mode??

    I was running yesterday @ WOT when suddenly the motor just shut off. No warning sounds, no temp warning. I was able to restart the motor but it would only idle at 700 rpm. Normally it would idle at 1100 rpm. (Quick Start System) Model J140TXESE. My temp gauge then showed the motor was on the...
  8. mstahl1171

    1990 Johnson 140 HP ignition problem

    I have spark on one bank of the engine but not the other. I have ordered a repair manual for this motor but was wondering if there is a quick test I can do while I wait to determine if it is either the Stator, Timer Base or Power Pack? I have done several internet searches and have found...
  9. mstahl1171

    1963 Lark IV Electric Shift

    I was out running around today on the Chesapeake Bay and all the sudden I lost forward gear...then had an oil slick ...I was able to cruise in reverse to get back home...I have blown a seal...but look at the pictures...there is a slot that has opened up...on both side....they were no there...
  10. mstahl1171

    OMC 2.3L Ignition Problem

    Here's my problem....I am not getting spark from the coil at all. I have disconnected the grays wires from my coil, installed my spark tester and still nothing. I have 8.5Volts DC to the coil. I have checked continuity from the tower of the coil to the + post and - post. That checks good. Also...
  11. mstahl1171

    62 Lark wiring harness rebuild

    Anyone know where I can find the original AMP connector housings and pins? I want to rebuild my harness and keep it original if possible. The harness from the electrical junction box to the motor is shot and falling apart....ugh The pins in the connector are also corroded and broken. If not...
  12. mstahl1171

    62 Lark 40hp water pump problem

    I had to rebuild the lower unit and installed a new water pump impeller and seals. Motor ran fine yesterday and pumped water. Today no water pumped at all. dropped lower unit and check the pump, made sure impeller is installed correctly, verified impeller key is installed. All looks fine. I also...
  13. mstahl1171

    Bearing removal for 62 Evinrude Lark electric shift

    I have a 1962 Lark 40hp electric shift outboard. The other day I heard a nasty noise coming from the lower unit and after investigating a found that a bearing went bad in the upper housing. Found the bearing for the pinion gear....$30.00...lucky me...found all the other bearings and seals. My...
  14. mstahl1171

    Salt Water & Old Lark 40hp

    I spent the weekend with friend on the Murderkill River in Delaware duck hunting. Is there any special maintenace I should do since I was running my old Lark in Salt Water?? I washed the motor down with fresh water and cleaned the boat up after each trip. I even ran the motor in a tub of fresh...
  15. mstahl1171

    Lark IV Ignition Mystery

    I'm stumped on this on. I keep loosing spark on the #1 cylinder. I have replaced plugs, plug wires, coils, condenser's and points. I have used a spark tester and get good hot spark with a 7/16" gap. Motor will run fine for a few hours and then drop the top plug. I checked for spark and have...
  16. mstahl1171

    62 Lark Voltage Regulator Question

    Is there any way to check the voltage regulator?? I just replaced my generator with a NOS generator...checked all my wiring and fuses....but still no charge from the generator. I did do the battery test on the generator and it spins like it should when hooked to a battery. I have checked all the...
  17. mstahl1171

    Help please....62 Lark Electrical Problem

    When I run my 40hp Lark at half throttle my compass spins like crazy. What would cause this? Ignition problem? Never had this issue before till today while out fishing.
  18. mstahl1171

    62 Lark electrical problem?

    When I run my 40hp Lark at half throttle my compass spins like crazy. What would cause this? Ignition problem? Never had this issue before till today while out fishing.
  19. mstahl1171

    Electric shift:...worth repairing?? cost?

    I have a 1962 Lark V. Today while running around the bay my forward gear went out. I was able to shift to reverse and nuetral just fine but no forward gear. I check the voltage to the forward coil and it is at 12.2 volts When I got home I found water in the lower unit so I can assume maybe the...
  20. mstahl1171

    1962 Lark V 40 HP Generator

    I just installed and ran my recently purchased motor...runs like a top. Anyways....I noticed that my AMP meter showed no sign that the DC generator was charging my battery. I know the motor needs to be above 2000 rpm..I tried running with the lights on and the electronics on also. Still no sign...
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