Search results

  1. E

    90hp V4 cylinders firing at different rates

    Hi all, Having some ignition issues with rebuilt V4 90hp 1990 motor. I hooked up a test light to check each of the 4 cylinders for spark. They all fire, however I have noticed that #2 cylinder fires much quicker than the other 3 cylinders. I changed the coil on #2 and same still happened. Was...
  2. E

    Crankcase Sealing - Loctite 518

    Hi, Could anyone confirm should Loctite 7649 primer be used along with Loctite 518 flange sealant when joining crankcase halves, or should 518 be used on its own? Motor is 90hp 1990. Thanks all Emmett
  3. E

    90hp V4 Surging

    Hi Guys, Have been having a surging problem on 90 v4 1990 motor since rebuilding (had cylinders rebored) Using aerosol I traced the air leak to what i thought was a bypass cover leakage. Having thought it was duff bypass cover gaskets, I made several attempts to replace the gasket to no...
  4. E

    Spark Advance timing - Joe Reeves Procedue 1990 90hp

    Hi all, Could anyone familiar with the Joe Reeves Wide Open Throttle timing procedure help me out here. When it says to have the throttle wide open, then set the spark advance, does this mean to a) have the throttle open against the WOT stop screw or b) have the WOT stop screw fully in...
  5. E

    Quick Start Feature 1990 90hp v4

    Hi all, Could anyone confirm whether my 1990 evinrude 90 v4 has the quick start feature. Am currently carrying out link and sync, I am not sure if the motor has the quick start? I have the proper manual, the manual covers a few models and not sure about this specifically. Or how could i tell...
  6. E

    Testing Starter Motor

    Hi Guys, Was having some starter problems (1990 90 rude), turned out brushes were done. Replaced motor cap, new brushes etc. When bench testing the starter now, with positive to motor post and negative to motor case motor turns over fine but Bendix gear just shoots up spiral shaft and...
  7. E

    Starter motor service

    Hi Just pulled starter motor on 1990 90hp boat motor as we not turning over. Done all the voltage checks to ensure it was starter problem. Found a damaged brush so that is likely the problem. There seems to be a large build up of carbon caked onto lower part of armature as shown below. Can...
  8. E

    Prop Shaft Seal Leakage again

    Hi guys, Just after replacing all lower unit seals (1990 90hp) after having leakage around bearing carrier. Running a pressure test i can see the new prop shaft seal is now leaking around its outside surface, ie not around the prop shaft itself but around the seals to carrier surface. Just...
  9. E

    Lower Unit Leak on Pressure test

    Hi Guys, Hoping some of you pro's can shed some light for me. Motor: 1990 Evinrude 90hp V4 Have been having water in lower unit problems. Tried new o rings on the fill/level plugs, didnt solve fault. Pulled lower unit off and tried pressure test. Test showed air escaping from area in...
  10. E

    Joe Reeves Max Spark Advance

    Hi Guys, Im having a little difficulty setting the max spark advance on my 1990 evinrude 90 motor, through the joe reeves procedure. It says "set that timer base under the flywheel tight against the rubber stop on the end of the full spark timer advance stop screw" I cannot find any rubber...
  11. E

    Warning horn connections

    Hi guys, Had to replace the warning horn in my 1990 90hp rude due to malfunction. The original horn was the three wire type (with the extra black wire) I was able to obtain a second hand 2 wire horn for cheap. Can this be connected up ok?, i tried just connecting the tan to tan and purple to...
  12. E

    PTT manual release valve

    Hi Guys, Bit of a problem, I think I have damaged the internal threads where the manual release valve screws into the power tilt and trim unit on my 1990 evinrude 90hp. I think i need to use a tap to clean the threads out. Would anyone have any idea as to what the pitch would be? I am only...
  13. E

    Shift rod lever assembly query

    Hi Guys, Evinrude 1990 90hp v4 engine Carrying out a rebuild on the above at the minute and am currently installing shift rod lever. I am not sure if i have lost a component or not. Have a look at the attached picture, is there another part supposed to be on the lever to keep the shift rod...
  14. E

    Crankshaft Sticking

    Hi Guys, Rebuilding Evinrude 90 v4 engine which i recently bought. Installed crankshaft today and con rod bearings and caps. Problem when torque up one of the rod caps, when I try to turn the crankshaft its sticking in about 4 places on a full turn. Seemed to rotate alright before...
  15. E

    evinrude v4 90hp 2 scored cylinders

    Hi guys, Just stripped my engine down and found that the 2 bottom cylinders (as the engines sits) were quite badly scored but the 2 top ones were fine. Im guessing that this rules out the VRO pump? is it likely to be the bottom carb at fault or am i way off the mark? Thanks for any help...
Top