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I changed my lower unit oil on my 71 50hp selectric shift. I used the required "Premium Blend" OMC lower unit oil (type C) -- I filled from the bottom fill hole until it came out the top hole. Now it won't shift out fof orward. Check resistance on leads to solenoids and had 8-9 on both...
I'm dealing with an overheat problem. I think the water tube to powerhead connection is leaking. Unless I misunderstand something. With a garden hose attached to the water tube should any water come back down through the opening at C in the picture?
I'm trying to remove the powerhead from my '71 50hp. I know I need to remove the bolts coming from above into cowl. I also think I need to remove the bolts coming from the mid-leg up into the power head. I've included pictures with notation. Any other bolts I need to remove?
I have done the following things to this engine:
- Waterpump Kit
- Carb Rebuild
- Lower Unit Change
- Remove water jacket cover, clean passages
- Remove cylinder head, clean passages
- Remove exhaust cover (inner and outer), clean passages
- Replaced Thermostat
- Added Tell Tale (as per forum...
I have a 1971 50HP that is giving me fits and i'm not sure what step to take next. It overheats after idling for about 2-3 minutes. The hot horn sounds and I kill the engine. I believe i'm having a waterflow problem.
I've replaced the thermostat and the waterpump assembly. When I...
Well, my bi-weekly search of craigslist for items "needing work" has landed me as the owner of a 1970 Tri-Hull. I got the boat, motor and trailer for $650 so now i'm back in project mode. The hull actually appears to be in great shape. I can't find any indicator of rot anywhere. The seats...
I recently came into posession of what i'm told is a 1971 Evinrude 50hp (50173S) -- I'm told it sat for several years (4-5) since being used, but that the last time it was used it "ran great."
I've been systematically going through several steps to bring the motor back.
-Carb Kits on both...
