Search results

  1. T

    2001 225 EFI Problems shifting into foward

    The last 2 times I've taken my boat out I have had some issues shifting into foward gear. I hear a clicking sound until I push the throttle up quite a ways (to the point that I'm uncomfortable shifting at this RPM for fear of blowing up the gears). Reverse works smooth. This leads me to my...
  2. T

    2000 Mercury 225 EFI Water Pump Issues

    I think I'm having issues with my water pump because the water stream coming from the pee hole is not a strong stream like it used to be. I rebuilt the water pump and replaced the seal between the drivshaft and the water pump housing and the stream changed from a drop to a dribble. There is...
  3. T

    Starter kicks out when it try to engage flywheel

    I have a 1978 mercury 800 and I was cranking it for a long time the other day trying to get it started when all of a sudden the starter stopped engaging with the flywheel. It would come up to the flywheel and make a god awful noise as it kicked off and ground against the flywheel without...
  4. T

    '79 Merc 800 trim cylinders still leaking after rebuild

    A couple of days ago I rebuilt my trim cylinders on my 1979 mercury 800 and things seemed to be good. Today I looked at it again and I still have fluid leaking out of 1 of my cylinders. It looks to me like its leaking out of the connection between the hoses and the cylinder housing. Is there...
  5. T

    1978 mercury 800 fuel issues

    I have been having fuel problems with my motor since I bought it earlier this year so last month I rebuilt the fuel pump, rebuilt the carbs, bought a new fuel line and primer bulb, and put a clear glass filter on the fuel line so I could watch it and see whats happening. The first time I took...
  6. T

    Question about timing and sync

    So I have found these directions from clams My question is when I'm setting the 2 timing events is my buddy cranking on the engine the whole time? It says to take all the plugs out except for #1 but will the engine even stay started with only 1 plug in? Am I supposed to be advancing the...
  7. T

    Where do you buy your parts?

    So I ordered a couple trim cylinder rebuild kits and a couple carb rebuild kits off of boats . net. That same day I also ordered something off of iboats. I ordered this stuff on June 4th and the item from iboats got to my door in 3 days, i just called boats . net asking where the heck my parts...
  8. T

    tachometer install on 1978 800

    I have a 1978 mercury 800 that I bought earlier this year and the tachometer is no hooked up to anything right now. I believe I have a thunderbolt V ignition with the early style merc control. I have read posts that I need to get a harness to plug into the adapter at the front of the control...
  9. T

    '78 Mercury 800 starting issues

    I'm having problems with my 800 starting in the water. Works fine on muffs, but has a lot of trouble starting when I'm at the lake. When I'm starting the engine fuel is being spit all over the place by small black ring that seems to be where fuel is injected (i have no idea how the carburetors...
  10. T

    Help with carburetor rebuild kit

    Hey guys I have a 1978 mercury 800 SN:4836723 that i believe has a fuel issue. When I start it up on muffs at home there is not a single problem with the engine. It starts right up and keeps on trucking no problem. When I'm on the water however I have some issues. When I put the engine into...
  11. T

    Trim issues with 1978 mercury 800

    I have been having problems with my power trim on my 1978 mercury 800. The problem was that the cylinders would not hold the motor up for very long and seemed to have an internal leak. I took apart the trim cylinders a week ago and the orings were cracked so i replaced them. The system seemed...
  12. T

    Carburetor question '78 mercury 800 (80hp)

    I bought my very first boat a month ago and took it out for the first time 2 weeks ago. The boat never had any problems starting up on a garden hose in my driveway, but it did have a problem going into gear on the lake. Every time I put the boat into gear it would die. I put the idling...
Top