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  1. M

    Tach install 40 hp

    I have a 2000 YAMAHA 40 HP 3 CYLINDER 2 STROKE MODEL NUMBER C40trly. I think this motor was a remote control style that someone added the TILLER kit to. I want to install a tach maybe even one that shows a tilt/trim position. Under the hood is a fairly large diameter wiring harness all bundled...
  2. M

    Yamaha 40 hp tiller IGNITION key issue

    Hopefully someone can help. I have a 2000 YAMAHA 40 HP 3 CYLINDER 2 STROKE ELECTRIC START MODEL C40trly. It has what I believe is the yamaha conversion TILLER HANDLE on it. It uses the IGNITION key cylinder off to one side and a stop/kill switch on top of the handle. Issue is the key switch...
  3. M

    Gear oil leaking merc 15 hp 2 STROKE

    I bought a 1991 mercury 15 2 STROKE LONGSHAFT. It was laying on its starboard side in my truck for 1 day. I took it out of the truck and saw a puddle of gear oil lying on the bed of truck. There is a decent size leak coming from a drain hole near the top of the lower unit next to the gear oil...
  4. M

    Yamaha 40 hp 2 STROKE throttle plate at wot.

    Working on a 1989 YAMAHA 40 HP 3 CYLINDER 2 STROKE precision blend manual start TILLER . I noticed when I put it in forward gear and twist the throttle all the way to wide open the throttle plates are only opening a 1/4 way. They are not going to full horizontal as I expected. Haven't used the...
  5. M

    Broken water pump bolt mercury 20 hp 2 STROKE

    I have a 1989 mercury 20 hp 2 STROKE. The front left water pump bolt broke and a local shop is unable to get the broken bolt out. The broken piece is BELOW the water pump plate flange surface. Can I just install the water pump housing with 3 BOLTS? Will this work? Any suggestions assuming I...
  6. M

    Compression test yamaha 25 4 stroke

    I bought a 2004 YAMAHA 25 HP 4 STROKE MANUAL START TILLER with damaged lower unit it seems to start easily and REVS UP strongly. I am about to buy a complete 25 hp with a blown powerhead that I want to swap this running powerhead to. Before I buy the one that needs the powerhead I tried to do a...
  7. M

    MERC 25 powerhead swap

    I have a 2000 mercury 25 hp 2 STROKE WITH bad powerhead. I have a good powerhead from a 1982 MERCURY 25. Are they interchangeable? The 1982 powerhead looks slightly different on the front cover (maybe bolt holes for LINKAGES in different locations worse comes to worse I may need to swap the...
  8. M

    1986 evinrude 30 hp tiller conversion

    I just bought a 1986 evinrude 30 hp longshaft model e30rcdm. The tiller handle mount is on the steering bracket already. Anyone know what else I need besides the tiller handle to complete a tiller handle install? It looks like this year motor uses a cable style throttle cable. looks like maybe I...
  9. M

    Electrical help 1975 evinrude 40 hp

    Working on a 1975 evinrude 40 hp. Can't get starter to turn. I am using a push button switch temporarily . I have 12v on one side of solenoid. I get 12v on both of the small wires on solenoid when pushing start button. Not getting 12v on starter motor side of solenoid when pushing start button...
  10. M

    9.9 driveshaft swap

    so, i have a 2010 yamaha F9.9FMLH 4 stroke longshaft in need of a lower unit. A new one is about 800 bucks. I found a good used one on ebay but it is a short shaft lower unit. Question is do I need to remove the prop shaft carrier in order to acess any kind of clip securing the driveshaft to...
  11. M

    Yamaha 9.9 4 stroke fuel issue

    I am working on a 2010 YAMAHA 9.9 4 stroke. COMPRESSION IS 180 and 170 so that looks ok when I try to prime the fuel system I can only get one squeeze before the ball gets hard. OUTBOARD won't start. I disconnected fuel line connector and a ton of pressure released at the connector . I then...
  12. M

    Yamaha 9.9 4 stroke lower unit vs 2 stroke lower unit

    Does anyone know if 2 stroke 9.9 lower unit is the same or will work on a 4 stroke 9.9? The 2 stroke lower unit is a 1987 and the 4 stroke is a 2010. Thanks, I have a nice 2 stroke lower unit and a very nice 4 stroke 9.9 in need of a lower unit
  13. M

    Lower crank o ring

    1981 evinrude 25 hp. There is a small o ring listed on the parts diagram. Looks like you fit it around the crank and slide it up into the seal retainer (the retainer being the triangular piece with 3 BOLTS that fits to the bottom of the crank. Anyone know how far to push that o ring up the...
  14. M

    Upper crank seal direction

    Quick question I am replacing the crank seal on a 1981 evinrude 25 hp and I didn't pay enough attention to the direction of the upper crank seal. It looks like it should go in so I see the spring around the seal when viewed looking down on it from above? I other words the you see mostly rubber...
  15. M

    Corrosion on cylinder wall johnson 9.9

    Hi. I just bought a 2005 johnson 9.9 2 STROKE. Owner said it was good to go (lied). I started it up easily enough on the stand once I got it home from buying it. Once it warmed up it stalled and didn't want to stay running (I checked COMPRESSION and got 70 PSI top 60 PSI bottom. I know it should...
  16. M

    help with timing adjustment johnson 30 hp

    I have a 1994 Johnson 30 hp tiller electric start. I am trying to adjust the max timing stopper because when I got the outboard the stopper was adjusted 1/2 to 3/4 inch away from the edge of the timing plate. I am using the Jim Reeves timing method (I have both spark plugs out (spark plug jumper...
  17. M

    JOHNSON EVINRUDE 7.5 SAILMASTER 1983 WATER TUBE GROMMET QUESTION

    Can anyone provide me with the part number for the grommet at the top of the water tube up near the powerhead? It looks like # 69 on the parts breakdown picture but when I looked at a picture of the part it looks like it is not a complete circle? Is there also a seal for the powerhead in regard...
  18. M

    ENGINE TILT RELEASE KNOB JOHNSON EVINRUDE 8 HP

    I HAVE A QUESTION. I HAVE A 1984 EVINRUDE 8 HP. THE TILT KNOB WAS MISSING WHEN I BOUGHT IT. I FOUND ANOTHER KNOB AND IT HAS A SHAFT CONNECTED TO IT WITH A FLAT SPOT ON THE SHAFT. I STUCK IT IN THE HOLE ON THE TRANSOM BRACKET BUT NOT SURE WHAT IS SUPPOSED TO HAPPEN AT THE OTHER END OF THE SHAFT...
  19. M

    SHIFT LEVER REMOVAL 1982 JOHNSON 8 HP

    I need to replace the shift lever on my 1982 Johnson 8 hp outboard motor. I don't see how to remove it. I think there is a metal cap with a couple gears under it as I see in the parts breakdown. I don't know how to gain acess to that area. Can I replace the shift handle without removing the...
  20. M

    Rock you like a hurricane - 1985 Scorpion 186 Chris Craft

    Re: Rock you like a hurricane - 1985 Scorpion 186 Chris Craft Nice boat, here's some inspiration, mine is a 1985 scorpion 167 outboard with a 1984 yamaha 115. whole inside just redone. These boats are awesome in my opinion. My dad just passed this boat on to me as he got a newer Chris craft...
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