Recent content by Mercs and such

  1. Mercs and such

    engine consuming way too much gas

    I took my boat for a unofficial trial run and the 1984 75hp seems to slurp down gas. I have a 6.5 gallon plastic tank and it was gone after about 1hr of running. :eek: Hull is clean :cool: prop is good :cool: i believe it is something to do with the carbs or fuel. :confused: It would also...
  2. Mercs and such

    Tach setup on 75hp

    I have a 1984 75hp with the quicksilver control box. there is a tach setup in the front of the control box a little plug with 3 or 4 prongs. I dont think i can find the other end that fits in there anymore. Is there any different way to set up a tach :confused: I've heard running it off the...
  3. Mercs and such

    Motor trimmed to far how to fix?

    I am currently fixing electrical problems with this engine and I am taking everything step by step but i was hoping to just get as much info for the next step. ;) heres the problem. :eek: - I have manuel trim on a brownband 75hp ( has the hydraulic cylinder). It is set with the angle of the...
  4. Mercs and such

    I have about 20 glovebox covers for 70's glastrons

    I got carried away making a replica glovebox cover for a glastron sportster for the 1970 models and made about 20 reinforced fiberglass covers :D . There really rigid and are constructed with CSM and poly res. Already have primer on it just needs some good topside AWL-GRIP or whatever. If...
  5. Mercs and such

    i want to make a speedboat what do i do?

    I want to build a fiberglass 15' speedboat hull & cap but don't really know how to build a mold. I want to build something within a reasonable amount of money. Can someone lead me onto how to build the mold for both the heull and cap. thanks!!:cool::cool:
  6. Mercs and such

    Engine won't shut off?

    I managed to get my motor running but it doesnt turn off without pulling the choke. The black/yellow wire is disconnected from the switchbox because when i make contact the engine shuts off however the key doesnt shut it off and i want it to do it that way!!:mad: There is 1 black/yellow and it...
  7. Mercs and such

    75hp 4 cylinder plug wires arcing!!

    On my 75hp 4cylinder 1984 merc, (observed at night), plug wire # 3 & #4 seemed to be making contact with the throttle arm and discharging along the whole length of the wire and then discharging completely around the outside of the sparkplug without supplying spark to cylinder 3,4 However, it...
  8. Mercs and such

    motor runs, then no fuel flow?

    I just got my 75hp inline 4 1984 back from the shop and she runs better than ever. BUT when the primer ball is squeezed a stream of fuel sprays out from the fuel plate cover. The piece is located on the powerhead and where the fuel hose gets connected to but it sprays out from the middle where...
  9. Mercs and such

    No spark what to look for??

    i have a 75hp inline 4 and it will not run. Engine turns over, however the sparks are strong BUT only for 3 to 5 seconds :confused: MY mechanic said at first that my switchbox went to crap. Then they tell me its the stator and a broken carburetor :mad: I'd much rather get some logical...
  10. Mercs and such

    the best prop?

    On my Mercury 75hp inline, I currently have a SS prop with the numbers: 48 72500a4 21P. I know its a 21 pitch and at WOT, I can go about 34 mph maximum. :confused: The hull is only a 15' fish n' ski and i know i can do 40+ :cool: does anyone know how i can or what prop??? :confused...
  11. Mercs and such

    glastron sportster build is done!!!

    Summer of 09' I bought this old 16' tri hull boat. My Foot went through floor and touched the hull, transom was bowed out with a stupid 9.9hp??, foam soaked, you know the usual symptoms of an old boat. Being the nice guy I am, I couldn't see an old Glastron go to waste. I redid all of the glass...
  12. Mercs and such

    what is wrong with this motor???

    My mercury 75hp 4cyl. 2 stroke 1984 has everything rigged correctly. However i have a feeling its not in time. The degree pointer directly above the choke solenoid is aligned right but the .464 mark on the flywheel decal lines up perfectly with it. I believe this is wrong. ow do i time it...
  13. Mercs and such

    engine won't turn over???

    i've checked coils, carbs, gas, fuel/air mix, and have come to the conclusion that the engine is not timed correctly. the motor is a 1984 mercury 75hp inline and i dont know how to time it or what to use. :confused: if someone can give me a good way of how to time it with good instructions...
  14. Mercs and such

    timing my outboard?

    I do not have a dial indicator and my mechanic told me he uses a long screwdriver to determine TDC. It sounds like a joke but i believe it works. According to the manuel, a inline 4 75hp has to be at: - TDC - Timing decal reads 464 on flywheel. i think i timed it right, but i am not for...
  15. Mercs and such

    lower unit will not shift??

    I have my lower unit taken off of my 1984 75hp mercury. For some reason it will not shift into neutral. I tried putting the shift control in forward gear then install the unit, then shift i back but it will not work. any suggestions on fixing this i do not suspect internal damage could be...
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