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  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. 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
  8. 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...
  9. 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...
  10. 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...
  11. 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...
  12. 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...
  13. 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...
  14. 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...
  15. M

    My 1984 Scorpion 167

    Just thought I would share a picture of my 1984 Scorpion. It has a 1985 Yamaha 115 hp v4. Runs excellent and I just had interior redone. This boat has been in my family since I was 15 years old (now 40 years old), so I grew up with it. My dad just got a 1996 Chris Craft Concept 17 to replace...
  16. M

    1996 johnson 25 hp no spark

    Hi, I have a 1996 Johnson 25 2 stroke 2 cylinder (yeah one of the bulletproof models), anyway I have no spark. I followed the repair manual and the only questionable test I hit was for the repair manual calls a sensor coil. when I tested between terminals b and c as the book states my meter...
  17. M

    Tachometer part number needed

    I have a 1985 Yamaha 115 v4 model 115etlk, i need a new tach. I have the factory analog Yamaha tach right now with the lights for the oil warning system on the bottom. On the back of the guage there are 3 wire outlets that lead to a square plug. I also have 2 leads that use bullet connectors...
  18. M

    Yamaha 115 oil tank

    Hi, I have a 1985 Yamaha 115 ETLK and I need a new sub oil tank. The original part number is 6E5-21708-05-00 I found a new tank with a different part number that looks identical except the wiring connector is a newer style using a blue plastic connector. Mine uses a white connector, the pump...
  19. M

    Question about my Evinrude 35 hp time capsule transom marking plugs or dowels?

    Hi, I just picked up a 1982 Evinrude 35 hp. I think it came out of a collection and was only started and ran a few times. It is utterly nice and I don't think it has ever been bolted to a boat. The guy I got it from said it was his uncle's who died and this guy didn't know anything about the...
  20. M

    1985 Yamaha 115 2 stroke water pressure guage

    Hi, I was thinking of adding a water pressure guage to my motor. Anyone know how to do this and where to pick up the port for the tube? It is a 1985 yamaha 115 v4 2 stroke. thanks
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