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Started By
Message
Descaling flush for outboards
Posted on 8/4/24 at 9:33 pm
Posted on 8/4/24 at 9:33 pm
What is everyone using to descale (flush) your outboards? There are plenty of options. Just wanting the TD recommendations!
5
Posted on 8/4/24 at 10:03 pm to mfiredog
Freshwater. Hose water. Local lake water. Whatever is most convenient to you that isn't saltwater.
Posted on 8/4/24 at 10:21 pm to mfiredog
Salt-away
Posted on 8/5/24 at 4:42 am to mfiredog
Never heard of such a thing, is it really an issue?
Posted on 8/5/24 at 9:02 am to KemoSabe65
How often do you do a regular flush? I noticed lower than normal pressure Saturday, so I did a fresh water flush and removed both screens under the cowling. One was totally clogged with what looked like tiny bits of gravel.
Posted on 8/5/24 at 10:55 am to AlxTgr
quote:
How often do you do a regular flush?
After every trip/day on the water.
Never used to use salt-away, but a friend in the Keys was using it so not it’s part of the cleaning process.
Do you have pretty hard water where you’re at?
This post was edited on 8/5/24 at 10:56 am
Posted on 8/5/24 at 11:06 am to Theduckhunter
I was asking Kemo because he's in salt and on the water more than most.
Posted on 8/5/24 at 11:18 am to AlxTgr
quote:
I was asking Kemo because he's in salt and on the water more than most.
Roger that
Can’t beat out a charter capt but with a retiree using it, the boat is in salt 80% of the time the wind isn’t blowing.
Also, I don’t know if it matters, but I feel like a boat that isn’t used all the time would be more susceptible to salt deposits than one that’s used every day.
This post was edited on 8/5/24 at 11:22 am
Posted on 8/5/24 at 12:23 pm to AlxTgr
515 hours and have never worried about it, same with every motor I have ever owned. Used to leave tunnel hull in water 60+ days at lease and it was never a problem. Less than zero guides flush their motors at spicers, if it’s pissing you’re good.
Posted on 8/5/24 at 1:46 pm to KemoSabe65
I get it. I just know they say every time 
Posted on 8/5/24 at 2:06 pm to AlxTgr
quote:
One was totally clogged with what looked like tiny bits of gravel.
Zebra mussels?
Posted on 8/5/24 at 2:24 pm to mfiredog
if you feel its scaled up bad then get 3 or 4 gallons of vinegar and heat it up bout 160* put in a big enough bucket to go around your pickup and let that suck up thru there. put a return hose back to the bucket from the pisser and that scale and corrosion will run outta there like white snot.
Posted on 8/5/24 at 2:42 pm to Theduckhunter
Salt isn't a problem. I flush mine with the hose on the flushing port when I go salt water fishing and know the boat is going to sit up a while. If it didn't have a port I wouldn't do it or worry about it. All the owners manuals I've seen lately specifically say to not worry about it.
Growth can be a problem if it's going to live in salt water. Not much you can do about that except use it often or make sure the engines are tilted out when sitting a long time.
Growth can be a problem if it's going to live in salt water. Not much you can do about that except use it often or make sure the engines are tilted out when sitting a long time.
Posted on 8/5/24 at 3:04 pm to DownshiftAndFloorIt
Straight from the manual:
quote:
AFTER EACH USE
• Flush out the outboard cooling system if operating in salt, polluted, or
muddy water. Refer to Flushing the Cooling System.
• Wash off all salt deposits and flush out the exhaust outlet of the propeller
and gearcase with fresh water if operating in saltwater.
• If operating in saltwater, inspect the powerhead and powerhead
components for salt buildup. Refer to Cleaning Care for the Powerhead
(Saltwater Use).
Posted on 8/5/24 at 4:26 pm to DownshiftAndFloorIt
I just can’t imagine not rinsing something that’s been in saltwater… it’s pretty cheap insurance.
This post was edited on 8/5/24 at 4:40 pm
Posted on 8/5/24 at 8:16 pm to AlxTgr
Etechs must be better. It just says flush it if you feel like it.
Posted on 8/5/24 at 8:19 pm to DownshiftAndFloorIt
I guess that's why they are still selling so many.
Posted on 8/6/24 at 10:21 am to Theduckhunter
I hit the trim and top after almost every trip. IMO, there are millions of outboards around the world that never flushing and they run for thousands of hours. I sprayed my block with corrosion x last month but that's the extent i have done.
Not sure how many hours i will get out of mine before it shits the bed but the coast guard has thousands of hours on some of their hondas so i am hopeful.
Not sure how many hours i will get out of mine before it shits the bed but the coast guard has thousands of hours on some of their hondas so i am hopeful.
Posted on 8/6/24 at 11:04 am to KemoSabe65
quote:
I hit the trim and top after almost every trip. IMO, there are millions of outboards around the world that never flushing and they run for thousands of hours. I sprayed my block with corrosion x last month but that's the extent i have done.
Not sure how many hours i will get out of mine before it shits the bed but the coast guard has thousands of hours on some of their hondas so i am hopeful.
I don't disagree if you are a guide and replacing a motor often, but for the avg rec guy that's putting 100-200 hours a year and hoping his motor lasts 10-15 years I think not flushing seems crazy.
There's guides that replace their outboards every 2 years, I wouldn't sweat that either as corrosion is taking time no matter what.
Posted on 8/6/24 at 11:20 am to baldona
Would wager most rec boaters don't put 50 hours per year on their motors and keep them on a trailer. Flushing gives them something to do when they are putting the boat up and makes them "feel good".
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