I need to replace the prop shaft seal on my Elgin 1.25 hp. It must be an odd size, 7/16″x13/16″, because Chicago Rawhide doesn’t stock it. Anyone know of a source?
11 mm would probably work for the shaft size, but the OD seems to be a problem.
Can the bore for the OD be altered?
I had to do just that for a couple seals for my Neptune. Either the ID or the OD was available, but not both. Prop seal I had to bore the housing bigger. Crank pto side I had to step the crank .030″ to fit a seal. Time will tell if I chose wisely on the crank…..
I don’t have the tools to bore out the ID to fit a new OD of the seal, much less keep the new bore concentric to the prop shaft. I might just have to change the lube often.
Jim, regarding your PM to me, those seals fit right into my prop shaft bearing housing just right, without any modification. You have the 1 1/4 hp for sure, right? Not the air cooled two hp?
Yep, the 1.25 hp (571-58301). I’ll re-measure, maybe I was looking at the wrong diameter. I can’t imagine that dimension was changed during production.
The only other thing I can think of, is that I might have pressed that seal into the shell of the existing seal; but I don’t think so. But maybe. I just remember that I was so happy to have found that seal with the 7/16″ inner diameter and the outer 3/4″ as a combination. I hadn’t been able to find that anyplace else. There was definitely no machining of any kind, or any special bushings cobbled up. That I am sure of.
I double-checked the diameter of that I.D. for the seal with calipers, it’s definitely 13/16″ (.812). I removed the gearcase cover and there wasn’t much water inside. I’ll just have to watch it. Unfortunately there are no screws to remove to drain or fill the gearcase.
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