Search results

  1. G

    115 hp 6 Cyl-Stopped Operating

    I had my boat out for a run last night and it started fine as it had for the last dozen times I had it out this season. Once it was warmed up I opened the throttle and it accelerated up to WOT about 5500 and then started to jolt and sputter and then died. It seemed to power up momentarily and...
  2. G

    1980 115 HP Merc 6 Cyl Issue

    I've had my boat out on the lake a couple times this season and each time the motor starts as usual and idles properly. When it put it in forward gear it's also fine until I start to accelerate and then it starts to hesitate and bog down. If I back off the throttle it will stay running. This...
  3. G

    115 HP 6 Cyl- 1980 Boat Speed

    I have a 6 cylinder 1980 Mercury on a 1988 Vanguard Phantom that has a 13 X 19 prop. The boat is 16.5 feet long and is fiberglass(open bow) and is basically a ski boat. I'm trying to determine if the engine is producing the appropriate speed for this boat and motor combination. The WOT is...
  4. G

    Milky Colored Lower Unit Oil

    I have a 1980 Mercury 6 cylinder outboard motor that has had a slightly milky color to the lower unit oil when it's changed each year. It isn't significant and that's why I haven't done anything about it. I was replacing the impleller on this motor and while I had it apart I blew on the end of...
  5. G

    1980 115 HP Merc 6 Cyl Reassembly

    I removed the lower unit from this motor as it wasn't peeing and I replaced the impeller, upper water pump housing, gaskets, etc. In attempting to reassemble the lower unit to the rest of the motor I can't seem to quite get it in a position to tiighten the bolts. The water line coming out of...
Top