D Derrick H New member Jan 15, 2010 #1 what would cause a 45 hp honda outboard motor to lose compression on one cylinder.motor idles fine and has no knocking noise.
what would cause a 45 hp honda outboard motor to lose compression on one cylinder.motor idles fine and has no knocking noise.
4 45 auto New member Jan 15, 2010 #2 Valve out of adjustment or came lose. Remove valve cover on adj the valves.