Reply To: Compression for 58 Johnson 10 hp?

[JACQUES]

Johnson Gear Case Parts for 1958 10hp QD-19 Outboard Motor (marineengine.com)

 

those comp#s should not stop you… drop some  light lubricant in the cyl and soak a bit .  place  both cyl mid-way to close the ports while it soaks .

 

you do know about the shift linkage bolt  you must loosen to drop te GC

Joining AOMCI has priviledges 🙂