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  1. W

    Mercury 2018 2.5 HP 4 stroke fuel pump question

    When I get back to it I will take some pics and measurements then post them. I look forward to your advice. Thanks for the reply.
  2. W

    Mercury 2018 2.5 HP 4 stroke fuel pump question

    I may have mistaken the year but the motor is an EPA model OR448033 and up. The EPA model seems to be the only one with a fuel pump. The other models being gravity flow from the internally mounted fuel tank.
  3. W

    Mercury 2018 2.5 HP 4 stroke fuel pump question

    Mercury part number 8M0072277. Does anyone know if this pump can be rebuilt ? I see a new one runs around $80.00. I took mine apart and can see there is a pinhole in the diaphram. If there is a kit available it is an easy rebuild. The motor seems to run fine without it with just a gravity flow...
  4. W

    18 HP Tohatsu 2004 18B Link rod removal on carburetor

    Thank you both for your replies. I believe the passages were clogged or at least restricted. I did the long soak cleaning, blew it out and sent monofiliment through the passages as much as I could and put it back together. I soaked it in such a way that the boot remained suspended out of the...
  5. W

    18 HP Tohatsu 2004 18B Link rod removal on carburetor

    Just saw your reply Sea Rider. Worked til dark and then some. Its a bit too late to get pictures but if curiousity is killing , the part # is 3R3033120 it is number 1-25, listed within the parts page for the carburetor of this 2004 Tohatsu MFS18B2. The rubber boot is shown along with the link...
  6. W

    18 HP Tohatsu 2004 18B Link rod removal on carburetor

    I aquired this motor and would like to get it running. I removed the carburetor and found that it was certainly in need of a long soak cleaning. I will check the auto start mechanism as I have read several post on it. For now my issue is how to remove the rubber boot which covers the link rod...
  7. W

    1998 Mercury elpto on stand slow cranking

    Check your solonoid and other ground wires. If your solonoid is not grounded well it will not give a hard solid contact ansd your starter will seem bad.
  8. W

    1987 Yamaha 25 hp 2 stroke Oil Seal Cover

    This is part number 689 45344 00 94. Before I start to pry and possbly destroy this cover does any person have suggestions for its removal. ? Does the driveshaft need to be removed ? The seals are leaking so that there is air leaking out with about 8 lbs of pressure and slight water intrusion. I...
  9. W

    Yamaha 175 ETXG Compression

    My compression on this motor is 90 pounds on 4 cylinders and about 87 on the other two. It has a professional repaint and looks good. Its got quite a few hours on it. I put it aside a while back. A freinf of mine ask if I can get it goig again for him. It has spark on all six, the compression is...
  10. W

    175 HP Heavy. Has anyone run or started one on a hoist.

    I have run out of stands and tanks. I acquired an 80's model 2 stroke 175 Yamaha. Today I went to the metal yard and picked up a bunch of 2" x 2" x 3/16" tubing to extend my boom and a bunch of 1/4" thick L metal to be used as outriggers for my cherry picker. I want to be certain of weight...
  11. W

    Gear Housing Nut Removal 1988 35 HP Mercury

    I have some work to do in my lower unit and am temporarily stopped by the gear housing nut. I have read that breaking the nut (made of Nylon) is one option. The Mercury tool part # 91 91947 is a bit expensive. I have no problem breaking it out as it is only a $10.00 part but then of course would...
  12. W

    2007 Tohatsu 3.5 HP 4 stroke. No spark.

    Thanks for looking. Is there a way to test the igniter on this motor.. Ignition system is comprised of the flywheel and igniter. I dont have a spare to switch out. I am going to reinstall it today, scraping away some paint to be certain all is grounded. I was thinking there must be an Ohm's test...
  13. W

    2006 Mercury 9.9 M4 1F10201FK Oil pressure switch

    Can or does this switch activate a guardian mode on this motor.? Can a bad switchbox keep the oil pressure light illuminated ? When started the light will illuminate for the 5 or so seconds then go off. It then comes back on and will stay on whether idling or throttled up.. I did check that...
  14. W

    35 HP Mercury 1035213bc 1988 Shift cam and shaft question.

    Tell me something good. While in the process of servicing the lower unit I noticed a bit of milky appearance of the gear lube. Presure testing revealed a leak at the shift shaft bushing seal. I removed the bushing and O ring and seal and replaced them. Now comes my issue. The shift shaft would...
  15. W

    Tohatsu 3.5 4 stroke 2007 Removing the lower pump housing.

    I have a couple or more of these to work on so I started with the probable parts candidate. I intended to get the lower water pump housing out . The old original gaskets were hard and bound to stay in place. The bolts holding the top of the water pump were a challenge by themselves but were...
  16. W

    Tohatsu 3.5 hp 4 stroke OR 157...

    Finally realized I needed a manual for the two of these motors I have. Should be here by midweek. I have a manual for 4/5/6 HP 4 strokes starting 1999. I dont want to use it as the properone will be here soon enough.I would like to get my ducks in line so that I can at least start an evaluation...
  17. W

    Help with my Johnson 25 RLCUR Frankenmotor.

    This thing has a history of running bad, spitting, stalling running good at high speed then stalling. I saw an old bulletin regarding this on the Tube but it did not help. I rebuilt the carb, then again maybe even three times. After all that I realize its an air leak somewhere. Sprayed WD...
  18. W

    T9.9 GELH Almost no compression. Need repair manual.

    I have recently aquired the above motor. It appears in great condition but the compression is around 50 pounds per cylinder. As I turn the flywheel I feel a bump I am not sure if it is a valve adjustment, timing belt issue or something deeper. I was looking for a used manual on an auction site...
  19. W

    Tohatsu MFS 3.5A HP 4 stroke. Shift Shaft Lever Question

    AKA Mercury 3.5M. I recently came by a couple of these motors in which the shift handles, shift shaft lever, are frozen in place. I removed the lower unit to find the the lowers in working order for the most part.. I then removed the powerhead on one of them. I soaked and heated the shift shaft...
  20. W

    Nozzle well unavailable Part # 0434398 ??? 1990's 20 to 35 HP and others

    I have found my nozzle well has some hairline cracks in it.I would like to replace it, this site and others all say unavailable. I have replaced them in the past but this time I am thinking of an epoxy to get the job done.They certainly do not hold up well in my opinion as I have seen these...
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