Search results

  1. S

    crazy decarb mishap, this ever happen to you ?

    I figured I'd pass this on @ the expense of me looking foolish, but not even sure it was my fault & people can make sure this doesnt happen to them :) <br />Did a Merc Power Tune aerosol spray in the carbs decarb today while on the water , found a place to hang out, eat lunch & let...
  2. S

    Can I save $ if I remove my LU myself for resealing

    Do Shops/Mechanics/Marinas frown upon this ?<br />I did my impeller & WP gaskets but forgot my oil was getting milky towards end of last season.<br />Anyways, can I remove my LU myself bring it in for a reseal job & reinstall myself or is this frowned upon by the average marina ?<br />Also how...
  3. S

    Motors putting out 18 volts & not working right, HELP !!

    Figured I'd start a new thread on this.<br />I accidently grounded the starter solonoid while tightening it couple days ago & had issues starting the boat after the incident { Motor's a '94 40 4 cyl }.<br />She would start, then nothing then bump over.<br />I thought it was the rectifier...
  4. S

    Can I use Loctite on rectifier ?

    I seem to have blown my rectifier by grounding out the wrench while tightening it yesterday, also last year I jumped a wake & the motor stalled, ran like crap turned out the 3 nuts on the rectifier backed off causing it to arc , blow & melt the inside of electrical box cover, 1994 40 Merc..<br...
  5. S

    Opps, grounded starter solenoid while tightening it

    I know, I know, I shouldve disconnected battery..<br />Motors a 1994 40 hp.<br />I was tightneing the electrical box components & grounded the starter solenoid, sparked a little.<br />I used the boat today & sure enough towards the end of the day I'd turn the key & nothing, I was able to get it...
  6. S

    Marval Mystery Oil in 2 strokes ?

    I added a touch today when topping off my boats tank today then wondered if this may have been a bad idea, LOL ..? <br />Does anyone know if it's OK to use this stuff with 2 stroke outboards ?<br />My concern is it may not be " ash free " as it burns..<br />Thanks,,,, :) <br />Alan
  7. S

    Do 1994 40 HP 4 cyl. Mercs have thermostats ?

    Not that my engine is having overheating issues but wanted to check it maybe replace if orig. but cant find it ???<br />thanks.. :)
  8. S

    Would running exrta TCW 3 oil damage engine ?

    I'm considering running 100-1 in my gas tank as a precaution with my 1994 inj. Merc 40..<br />I dont often cruise @ WOT so the 100-1 premix in the tank should protect the motor if oil injection fails..<br />Does it damage the engine, or not good for it to run extra oil, also would the 100-1...
  9. S

    Changed oil inj. tubing but not filling up ?

    I just changed the oil injection tubing but the supply line is only 1/3 fill by the pump.<br />I'm running oil in my gas so I'm covered there.<br />Also I know the oil flows from the oil tank OK also the vent's open.<br />Is there any purging that has to be done , any help would be...
  10. S

    Oil injection sight tube

    Does this thing get changed as well when changing the oil lines {tubes} ?<br />thanks,<br />Alan
  11. S

    oil inj. tank / cowl seal 4 cylinder Merc 40's

    Fellow Merc lovers :) ,<br />Theres a seal that goes around the oil inj. tank that seals water out of top of cover, it's a $ 5 part..<br />Mines been missing since I got my engine last year.<br />Mercury dealer says NLA as does parts express website..<br />Does anyone have any idea if these...
  12. S

    Speedometer pitot tube shot, do I need this thing ?

    Just finished impeller change on my 1994 40 Merc & noticed the speedometer tube was shot as I was reinsatalling the LU so I just yanked it.<br />In hindsight I'm wondering if I shouldve replaced the tube or @ least capped that plastic fitting it connects to ?<br />If water gets into that...
  13. S

    Speedometer pitot tube trashed, do I need it ?

    1994 40 HP, I reinstalled my LU after doing the impeller & noticed my speedometer pitot tube was cut & flattened in a few places so I yanked it as I dont use a speedometer. In hindsight I'm wondering should I've removed plastic fitting & replaced it with a plug or capped...
  14. S

    Replaced impeller but have extra part ,please HELP !

    I replaced the impeller 1994 40 4 cylinder, gaskets too but I have an extra seal or washer thats split { broken }. I dont know where it's from because it seemed to just fall out when I dropped lower unit..<br />Looks like a black washer for a garden hose only thicker.<br...
  15. S

    Bypassing oil injection 1994 40 hp 4 cylinder

    Can someone give me the procedure on removing oil injection on these these 4 cylinder 40's..<br />I know theres bypass kits made but I can only find them for the larger Mercs ... :confused: <br />Now that motor's 10 years old I would prefer pre mixing to play it safe.. <br />Thanks, <br />Alan
Top