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How long do you flush your cooling system for ?

Georgi Slavov

Well-Known Member
Messages
8
Reaction score
0
Points
50
Boat Make
Yamaha
Year
2016
Boat Model
FSH Sport
Boat Length
19
How long do you guys usually run the water for when flushing the cooling system with fresh water ?

Could not find duration period listed in the manual ?!?!?

Thank you
 
@JetBoatPilot did a nice video:


The my manual says 10-15 minutes each side which is a waste of gas.

My saltwater procedure 3 mins each side with salt-away left in (rather than a clean water rinse at the end of the flush). I do this after every use in saltwater.
 
About 10 minutes with fresh water. Then do it again for about 3 minutes WITH the salt away. This way, the fresh water does not wash away the salt away residue, which defeats the purpose of the salt away.
 
Holy heck that's a long time.... 3 ish minutes is plenty....
 
I flush with clean water 10 minutes than switch over to salt away for 30 seconds
 
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