Topic: ‘79 Johnson 25 hp – Page 3 – Antique Outboard Motor Club,Inc

This topic has 31 replies, 7 voices, and was last updated 3 years, 4 months ago by labrador-guy.

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December 17, 2021 at 6:17 pm #251256
Geer Pyron
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US Member
Update!!!
It’s fixed and runs as it should!!
I’m stoked!!
It was indeed the high speed jet.
Some one had replaced it with a larger one or maybe wallowed out the one in it. Whatever. I put a smaller jet in and bingo. 30-35 (?) mph top speed. Guesstimate.
Takes a little while to get there, but dang, I’m tickled to death!
Thank you all for all the suggestions and help.
G

JMGP
December 17, 2021 at 6:25 pm #251257
billw
Participant
US Member
That is really great! I have always said that the hardest thing to trouble shoot is something that another human mind has messed up!

Long live American manufacturing!
December 18, 2021 at 7:23 am #251274
crosbyman
Participant
Canada Member
thanks for the feedback we all need good news these days !

“Patience brings joy” said the fortune cookie 🙂

Joining AOMCI has priviledges 🙂
December 18, 2021 at 1:53 pm #251301
fleetwin
Participant
US Member
billw wrote:

That is really great! I have always said that the hardest thing to trouble shoot is something that another human mind has messed up!

You got that right…. You will never get the straight story either when you ask about what was done, and who did it….
December 19, 2021 at 3:35 pm #251376
Geer Pyron
Participant
US Member
I ran the motor again yesterday. Went through 3 gallons. Runs nice.
I’m happy.
But it gets extremely dirty.
It seems as if most of the exhaust (at least at lower speeds) is being discharged from two holes in the exhaust housing. They are down low and face the tilt lock spring and mechanism.
Is this normal?
G

JMGP
December 19, 2021 at 4:45 pm #251379
frankr
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US MEMBER PAY BY CHECK
Spacer tube is missing from atop of the water pump.
December 19, 2021 at 4:56 pm #251380
frankr
Participant
US MEMBER PAY BY CHECK
#114 spacer & 113 o-rings
December 20, 2021 at 12:04 am #251405
Geer Pyron
Participant
US Member
Yep.
You da man!
And the funny thing is is that I have one!
Hmmm.
As Tom and Ray of “Car Talk” like to say, “If you take apart and put a motor back together enough times you’ll have two”
Gracias,
G

JMGP
December 20, 2021 at 5:05 am #251407
billw
Participant
US Member
That is very funny! Thanks for getting my day started with that quote!

Long live American manufacturing!
December 20, 2021 at 11:14 am #251418
labrador-guy
Participant
US Member
Geer Pyron wrote:

Yep.
You da man!
And the funny thing is is that I have one!
Hmmm.
As Tom and Ray of “Car Talk” like to say, “If you take apart and put a motor back together enough times you’ll have two”
Gracias,
G

Geer and Frank, I was reading your posts concerning the water ports and it reminded me of this QD19 that has water coming out in a strange spot. Is this what you are talking about? See picture.

The old kicker runs real nice, the water doesn’t seam to be a problem. Does this 10hp need one of those spacer tubes?

dale
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