Water intake scoop fabrication
#11
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Joined: Feb 2012
Posts: 4,031
Likes: 10
From: westville, NJ
it might not show. it could be restricted inside without looking it on the outside. it is a pain to change, but at this point not changing it makes no sense. while it is off, take off hose on inside and check for stuff against or inside transom fitting. You are also running essentially a big block on essentially a small block alpha pump. So this cooling system needs to be at 100%.
Last edited by dereknkathy; 04-20-2017 at 12:44 PM.
#12
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Joined: Jul 2009
Posts: 765
Likes: 291
From: USA, PA
it might not show. it could be restricted inside without looking it on the outside. it is a pain to change, but at this point not changing it makes no sense. while it is off, take off hose on inside and check for stuff against or inside transom fitting. You are also running essentially a big block on essentially a small block alpha pump. So this cooling system needs to be at 100%.
I'll gladly order a new hose and swap them out, but the problem with this boat is just that... an uncommon, rare, only made for a hot minute 27 year old everything...
This is the best site I've found so far for parts, and most are discontinued, or not show

https://www.marineengine.com/parts/o...odel=754APEPWS
Is this the hose you are thinking?
https://www.marineengine.com/parts/o...=Transom+Mount
#76 — 913809 — HOSE, WATER INLET (1 required per assembly)
Replaced by 3852845
This part has been superseded.
0913809 [ More info ]
Unavailable
Replaced by 3852845
L/P 25.78
About Johnson Evinrude OMC
OEM Part
L/P 25.78 [ More info ]
Unavailable
I've reached my hand up there a dozen time, can't find anything external.
Last edited by SabrToothSqrl; 04-20-2017 at 01:19 PM.
#13
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Joined: Jul 2009
Posts: 765
Likes: 291
From: USA, PA
So.. I don't know if it's fate or what, but I just found a brand new one online for a reasonable price too! Ordering now!!!
Never before had I been able to find one! thank you for making me look again.
Never before had I been able to find one! thank you for making me look again.
#14
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Joined: Jul 2009
Posts: 765
Likes: 291
From: USA, PA
Good News Everyone! I used two small pieces of rubber weather stripping, top and bottom, to essentially push the intake scoops out just a hair. Where as before they were actually down in the sides of the lower unit, they now stick out just a tiny bit. Hopefully they now catch more water.
I'd attach a pic, like every other forum in the world... but I guess you'll just have to take my word for it...
I never realized how beneficial attaching photos was until I couldn't do it.
I can on the Tesla forum, Tahoe forum, Sea-doo forum, Sense forum... I guess I'll post picks on the Tahoe one. Those guys have boats too.
I'd attach a pic, like every other forum in the world... but I guess you'll just have to take my word for it...
I never realized how beneficial attaching photos was until I couldn't do it.
I can on the Tesla forum, Tahoe forum, Sea-doo forum, Sense forum... I guess I'll post picks on the Tahoe one. Those guys have boats too.



