Okay so I need y’all a help. I searched the forums and couldn’t find anything with my specific problem so here I am.
I inherited a 73 Johnson 9.5, and it has been sitting in a garage in south Mississippi for at least 20 years. It had oil oil in it, but not much, and everything was well sealed kept neat. Only issues were a few dry rotted plastic parts (kill switch button in particular).
i replaces the oil in the lower unit, and got a 45lb compression rating on each cylinder. I gave it some fresh gas and it fired right up within 3 pulls. I ran a about 2 gallons of gas through it and got it idling so i took it to the river.
it ran great for a few hours, started right up but wasn’t cooling properly so I took it home and immediately changed the impeller. Minimal pitting in the pump housing but there was a little bit of deterioration on the side where the pump tube goes up. It didn’t seem to effect performance so I ran it again.
Second trip out, I missed the dang gear shaft so I didn’t realize til I was on the water that I couldn’t get it in gear....rookie mistake, I know. After jiggling and fiddling with it I realized I wasn’t gonna fix this At the ramp, so I pulled it back to shore, I could still find reverse, just not forward.
Here’s the bad part, I’m taking it off the transom and my buddy drops it in the river. Fresh water, about 2-3 feet. Fully submerged for about 5 seconds. I pulled it up drained it out and put in the truck. It was easily 3 hours before I got back home. I pulled the plugs, drained all the water I could find and it sat overnight. Next day, the flywheel is getting harder and harder to turn with each pull until it finally seized and won’t budge at all.
Ive tried PB blaster, for two days, nothing. I’ve gone through about a pint of MarvelMystery over a few days and now the flywheel will rock about 1/6” but that’s it. At least I can rock it. Problem I have now is that when I turned it backup to dump the PB blaster it all dripped out of a tiny hole over the water pump housing. Bottom side of the fins. And now when I put the Marvel in holds in cylinder 1 with no receding in 2 days, but cylinder 2 it just leaks out onto the bench as I pour it in. Cracked head? I’m stuck here now.
sorry for the long post, and I’m sure I did plenty of stupid things but I’m an amateur and I’ll admit It, so any advice on how to save the little engine would be greatly appreciated.
thanks,
have a great day.
I inherited a 73 Johnson 9.5, and it has been sitting in a garage in south Mississippi for at least 20 years. It had oil oil in it, but not much, and everything was well sealed kept neat. Only issues were a few dry rotted plastic parts (kill switch button in particular).
i replaces the oil in the lower unit, and got a 45lb compression rating on each cylinder. I gave it some fresh gas and it fired right up within 3 pulls. I ran a about 2 gallons of gas through it and got it idling so i took it to the river.
it ran great for a few hours, started right up but wasn’t cooling properly so I took it home and immediately changed the impeller. Minimal pitting in the pump housing but there was a little bit of deterioration on the side where the pump tube goes up. It didn’t seem to effect performance so I ran it again.
Second trip out, I missed the dang gear shaft so I didn’t realize til I was on the water that I couldn’t get it in gear....rookie mistake, I know. After jiggling and fiddling with it I realized I wasn’t gonna fix this At the ramp, so I pulled it back to shore, I could still find reverse, just not forward.
Here’s the bad part, I’m taking it off the transom and my buddy drops it in the river. Fresh water, about 2-3 feet. Fully submerged for about 5 seconds. I pulled it up drained it out and put in the truck. It was easily 3 hours before I got back home. I pulled the plugs, drained all the water I could find and it sat overnight. Next day, the flywheel is getting harder and harder to turn with each pull until it finally seized and won’t budge at all.
Ive tried PB blaster, for two days, nothing. I’ve gone through about a pint of MarvelMystery over a few days and now the flywheel will rock about 1/6” but that’s it. At least I can rock it. Problem I have now is that when I turned it backup to dump the PB blaster it all dripped out of a tiny hole over the water pump housing. Bottom side of the fins. And now when I put the Marvel in holds in cylinder 1 with no receding in 2 days, but cylinder 2 it just leaks out onto the bench as I pour it in. Cracked head? I’m stuck here now.
sorry for the long post, and I’m sure I did plenty of stupid things but I’m an amateur and I’ll admit It, so any advice on how to save the little engine would be greatly appreciated.
thanks,
have a great day.
