Search results

  1. S

    Carb kit

    Hey it's the ol' schmoedog again. I'm rebuilding my carbs this time since I noticed my (mechanic) left float bowl gaskets out when he did it. My carbs are WMK26's. Where is a good place to get the kits online? And if you say here can you tell me which one. I can't make the numbers match anthing...
  2. S

    Proper octane for a 78 merc 115?

    What is the proper octane fuel for a 78-79 merc 115 inline?
  3. S

    Proper octane for a 78 merc 115?

    What is the proper octane fuel for a 78-79 merc 115 inline?
  4. S

    please I'm debating my mechanic on timeing. HELP!

    please I'm debating my mechanic on timeing. HELP! Hi, I'm back for another season of great advise. I have a 78 merc 115 more of less,it has somenew parts but anyway. My mechanic(who I think is losing his touch)insists on setting the timeing to 27 degrees. Everything I have read says 21 degrees...
  5. S

    Where can I get a prop for a 79 merc 115

    And the question is where can I get a prop for a 79 merc 115? All I can find is props for 8o and newer and up to 73. Also is there a web page for motors in that time area?
  6. S

    diagram of Merc

    Does anyone know of a site where I could get a blown apart diagram of a 79 or any merc inline 115? BTW do you want me to delete past questions when I'm done or leave them for others to benifit from?
  7. S

    It don't suck

    Back again. I have a 1979 Merc 115. My mechanic that I bought it from has just rebuilt it for the 3rd time this summer ( thank God he gauranteed the thing). Now he is saying the number 2 carb(the one for pistons 3&4)is not sucking.BTW the reason it was being rebuilt was a rod bearing ate the...
  8. S

    Weight on a 1978 Wellcraft Airslot 165?

    I've tried everywhere to find the weight of my Wellcraft Airslot 165 (1978 trihull). Does anyone know? I have a newly rebuilt Merc 115 1979 new block pistons the works. My prop is a 19. I only get about 32 mph out of it. Help please.
  9. S

    Merc bogs on accel then fixes itself

    I have a newly rebuilt 1979 Merc 115. It starts fine,it idles pretty good (I haven't fine tuned it all yet) but on acceleration it starts to bog down at about 1/4 throttle for a couple of minutes then fixes itself then it runs fine at all speeds until I stop again. Since the power head is new I...
  10. S

    79 Merc bogs on accel, then fixes itself

    I have a newly rebuilt Merc 115 fresh out of the shop. Just barely broken in. It starts fine Idles pretty good,(haven't really fine tuned things yet). But on acceleration I can go up about 1/4 throttle and it bogs down. If I go any farther it dies. If I stay at 1/4 throttle it eventually fixes...
  11. S

    Boat speed?

    How much speed should I expect from a Merc 115 an a 16 foot Wellcraft trihull?
  12. S

    Should I not adjust my spark advance?

    First i want to thank everyone for thier help on my T&T. I have a 1978 Merc 115. I have little power. Should I not adjust the spark advance cheater looking screw? if not how do I get any speed from the motor? I basically can get up to about 10 MPH on a 16 foot boat. Any thoughts? Also what do I...
  13. S

    Merc trim blows fuses

    Howdy. My 78 Merc 115 trim motor is blowing fuses. I'm finally hooked up right and started pumping the oil into the lines and after about 3 seconds it blows a 30 amp fuse. Do I need a bigger fuse or is the problem bigger. The trim worked last year when I got it from another boat. I did replace...
  14. S

    Please I'm stupid on Merc T&T

    Hi. I have a 1978 Merc 115 outboard. I'm trying to get the T&T going but all I get is a click in either direction. Lets say we're starting from scratch. I have the fluid and assume it gos in the screw hole on the side. My main question I guess is where do the 2 brown or salmon wires coming from...
  15. S

    Wires on '78 merc trim?

    I have a '78 Merc 115. there are 2 brown wires coming from the moter along with the hydraulic hoses. What are they for and where the heck do they connect?
  16. S

    Merc control gears jumping out

    I have a 1978 Merc 115. The throttle gear on the control jumps out of alignment and I can't accelerate in reverse at all. Can these be tightened some how? Can you buy replacment gears for the control? I know they are worn. Any thoughts will be appreciated.
  17. S

    Wires on '78 merc trim?

    I have a '78 Merc 115. there are 2 brown wires coming from the moter along with the hydraulic hoses. What are they for and where the heck do they connect?
  18. S

    Tach and volts

    How do you wire a tach and also a voltage guage. Teleflex guages. 1978 Merc motor. On the tach I have the three wires that go into the control unit, but does it need a seperate power and ground wire? The voltage straight to the battery terminals?
  19. S

    Installing trim gauge

    I have a 1978 Mercury 115 outboard motor with tilt and trim. I recently bought a Teleflex trim gauge. The guage didn't have any directions. How do I wire this thing up? Do I have to buy a sending unit or does the motor have one on it? If I have to buy one would it be from Teleflex or Mercury...
Top