Can anyone tell me what this hole is for? Oil leaks out and water leaks in. Not good. Is the hole necessary or can I plug it? There are other similar holes but they all have a solid bottom. Could this hole be for some type of freeze plug. I'm at a loss as it is not mentioned in my manual. Any...
I have a 1974 25 hp. Evinrude that I am changing the thermostat. I can not find the torque value for the bolts on the thermostat housing cap. I have three manuals and have thoroughly examined them for the torque value with no luck. Does anyone know what torque value these bolts should be...
I would like to install a tell-tale in my 1974 25 hp Evinrude Sportster. I'm not sure of where the best place is to install it. I have some pics of my cyl. hea and my cyl. block. Where do you think would be the best location to install the elbow fitting?
Is there a difference between the 1974 25 hp Evinrude and the 25 hp Evinrude Sportster? The reason I ask is that my Sportster does not match the exploded drawing in the Seloc manual for the 1971 and on 25 hp motors. My motor appears to be a cross between a 9.5 hp and a 25 hp. There is no water...
Can anyone tell me if there is a telltale water jet on this outboard? It hasn't been run in a few years but started right up. It does not appear to have the telltale water jet that my sons 90 hp Johnson has. Is this correct? It seems to get pretty hot in just a few minutes of running. Is this...
I checked the compression on my 1974 25 hp Evinrude today. Top cylinder was 118lbs and the bottom was 122lbs. I think that is pretty good for an engine that is 35 years old. Does that seem about right to you?