1972 5 hp Eska Outboard Model 1705D - Compression Test

[CalWinslow]

What would be a good reading for a compression test on a Eska 5 hp Outboard Motor Model 1705D be?

 

[mrcrabs]

Re: 1972 5 hp Eska Outboard Model 1705D - Compression Test

read it then tell us, then everybody can guess if its good or bad:redface:

 

[CalWinslow]

Re: 1972 5 hp Eska Outboard Model 1705D - Compression Test

I came up with a reading of 60.

 

[Tom @ Buzzard Bluff]

Re: 1972 5 hp Eska Outboard Model 1705D - Compression Test

I came up with a reading of 60.

I'm betting that it will run. May not start or idle well but could do just fine. But I'd be much happier with 70+. Keep us in the loop for the learning experience.

FWIW, (if anything!) I recently had to replace the powerhead on an air-cooled '70 Chrysler 3.6 horse originally designed by West Bend. The book called for 65-75 PSI. A friend came up with a used powerhead that had compression in the lower 90s.
I've never had a easier starting, sweeter running or slower idling small single!