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  1. M

    Spirit 25hp

    Nearest I can figure/find out: 2502 = Horsepower/Generation F = 1989 (model year) 10378 = Serial Number For parts, call your local Yamaha Marine Dealer.
  2. M

    Johnson 1995 70hp no spark

    No...not normal. Brown to brown-yellow should be 750-950 ohms.
  3. M

    2006 merc 40 4 stroke

    Bingo! I had an older Honda in the shop with the very same symtoms. Turned out the exhaust manifold had a hole burned through...Too bad the part was NLA and was not financially feasible to remove the powerhead.
  4. M

    Mercarb 2BBL vacuum hose?

    Normally connected to the fuel pump with a see-through hose (NOT the fuel line). This hose allows the skipper to view the condition of the fuel pump diaphram. If you see fuel in the hose, you have a ruptured diaphram.
  5. M

    Free Mercury Tower of Power

    Also note that this motor is suffering from the all-too-common "Mercury Wiring Insulation Rot".
  6. M

    OMC SEA DRIVE-Tilt fluid location-150HP V4 1990

    4th picture in (IMG 6852)...see the flush-mounted, slotted screw? That's the fill screw.
  7. M

    OMC SEA DRIVE-Tilt fluid location-150HP V4 1990

    If tilt goes up and down, your pump appears to be working. Try operating pump up and down a few times to bleed any possible air in the cylinder(s).
  8. M

    OMC SEA DRIVE-Tilt fluid location-150HP V4 1990

    See those hydraulic lines on the left? Follow them back to the pump.
  9. M

    OMC SEA DRIVE-Tilt fluid location-150HP V4 1990

    The motor drives the pump, the pump pushes the hydraulic fluid to the cylinder(s)...the fill screw is on the pump.
  10. M

    OMC SEA DRIVE-Tilt fluid location-150HP V4 1990

    Last picture...that's the PTT motor, pump is at the other end of it.
  11. M

    Ambitious fraudster or rare machine

    ...maybe it was once owned by Pete Maravich.
  12. M

    primer bulb

    Remote tank or built in? Vent open?
  13. M

    Head Torque? 1976 Johnson 25

    Book says: 96-120 in. lbs. or 8-12 ft. lbs.
  14. M

    1970 Johnson 25hp

  15. M

    my Johnson 90 idling RPM? on hose and in water??

    In a river/lake...exhaust back pressure will affect idle (unlike on a hose). Besides, you operate it in the body of water...can't go too far on a hose :)
  16. M

    my Johnson 90 idling RPM? on hose and in water??

    Honda book says 1200 rpms (+/- 100) in neutral after warm up.
  17. M

    Running an Evinrude with no electrics

    Working on a 1974 Evinrude 40 HP model# 40E74S, remote, electric start. A friend brought it in off the boat. I have it on a stand and my question is: Will it hurt to rope start it and run without any electrics hooked up from the remote and no battery? I realize that I'll likely have to choke...
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