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Author Topic:   Salt water and Yamahas

Roarque posted 01-02-2009 11:37 AM ET (US)
I use my Outrage year round to fish, prawn. I am on the water 2-4 times weekly throughout the winter months.
The temps around here vary from 34F to 42F throughout Dec, Jan, Feb.
My practice has been to moor the Outrage with the F150 tilted out of the ocean ( "tilted up" ) and flushed with fresh water after each use. I call this Plan A.
Inclement weather has forced the marina to shut off the fresh water feeds to each slip (for Dec and Jan) so I have decided to leave the F150 tilted down, ie left in the running position. I call this Plan B. I decided that if I cannot flush the cooling passages in the engine with fresh water then I should at least keep air out of (some of) the passages.
I assume that the cooling passages within the engine itself are designed to deal with salt water but I don't know this for a fact.
Can someone on CW tell me if my assumption is correct?
Can someone on CW tell me if my Plan B procedures are the right way to deal with the lack of a fresh water flush?
Tohsgib posted 01-02-2009 11:42 AM ET (US)
Read your owners manual...you are NEVER supposed to leave ANY outboard tilted up in freezing temps. The water does not drain, will freeze and crack something, especially the foot under the prop. The salt won't hurt it for a few months.
elaelap posted 01-02-2009 12:03 PM ET (US)
If this helps, the 6-Pak I frequently deckhand in has twin Volvo four cylinder I/O gas motors. The skipper religiously flushes the motors with fresh water after every use, and leaves the heavily-lubed Penta outdrives in their fully down position thoughout the season (10 months). If the boat isn't being used for more than two or three weeks, he'll flush the motors again. The boat is kept in a slip in cold (~50 degree) salt water, conditions very similar to yours, Roarque.
Over the past ten or twelve years, I've helped that skipper pull his boat and scrub down the hull and outdrives at the end of each season, and I haven't noticed any dramatic corrosion (though the amount of bottom growth has varied from year to year, often worse on the outdrives and sounder transducer than on the hull).
Matt, Warren and I leave our partnership Whaler in a Bodega Bay cold saltwater slip for ten months per year, but we're able to tilt up the motor after flushing without fears of freezing weather during those months. And we pull our boat every 90-100 hours to change oil and lower end lube and scrub down the bottom-painted hull. Hope this helps (and I wish I were up there on Vancouver Island cadging a ride from you right now).
Tony
Roarque posted 01-04-2009 02:11 AM ET (US)
Thanks Bigs and Tony. I intend to leave both the F150 and the T8 kicker tilted down until the weather warms up. I have found the retrieval of prawn traps to be positively exhilarating recently Tony, rather like a polar bear swim on New Years Day. Which reminds me - Happy New Year to you both.

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Author	Topic: Salt water and Yamahas
Roarque	posted 01-02-2009 11:37 AM ET (US) I use my Outrage year round to fish, prawn. I am on the water 2-4 times weekly throughout the winter months. The temps around here vary from 34F to 42F throughout Dec, Jan, Feb. My practice has been to moor the Outrage with the F150 tilted out of the ocean ( "tilted up" ) and flushed with fresh water after each use. I call this Plan A. Inclement weather has forced the marina to shut off the fresh water feeds to each slip (for Dec and Jan) so I have decided to leave the F150 tilted down, ie left in the running position. I call this Plan B. I decided that if I cannot flush the cooling passages in the engine with fresh water then I should at least keep air out of (some of) the passages. I assume that the cooling passages within the engine itself are designed to deal with salt water but I don't know this for a fact. Can someone on CW tell me if my assumption is correct? Can someone on CW tell me if my Plan B procedures are the right way to deal with the lack of a fresh water flush?
Tohsgib	posted 01-02-2009 11:42 AM ET (US) Read your owners manual...you are NEVER supposed to leave ANY outboard tilted up in freezing temps. The water does not drain, will freeze and crack something, especially the foot under the prop. The salt won't hurt it for a few months.
elaelap	posted 01-02-2009 12:03 PM ET (US) If this helps, the 6-Pak I frequently deckhand in has twin Volvo four cylinder I/O gas motors. The skipper religiously flushes the motors with fresh water after every use, and leaves the heavily-lubed Penta outdrives in their fully down position thoughout the season (10 months). If the boat isn't being used for more than two or three weeks, he'll flush the motors again. The boat is kept in a slip in cold (~50 degree) salt water, conditions very similar to yours, Roarque. Over the past ten or twelve years, I've helped that skipper pull his boat and scrub down the hull and outdrives at the end of each season, and I haven't noticed any dramatic corrosion (though the amount of bottom growth has varied from year to year, often worse on the outdrives and sounder transducer than on the hull). Matt, Warren and I leave our partnership Whaler in a Bodega Bay cold saltwater slip for ten months per year, but we're able to tilt up the motor after flushing without fears of freezing weather during those months. And we pull our boat every 90-100 hours to change oil and lower end lube and scrub down the bottom-painted hull. Hope this helps (and I wish I were up there on Vancouver Island cadging a ride from you right now). Tony
Roarque	posted 01-04-2009 02:11 AM ET (US) Thanks Bigs and Tony. I intend to leave both the F150 and the T8 kicker tilted down until the weather warms up. I have found the retrieval of prawn traps to be positively exhilarating recently Tony, rather like a polar bear swim on New Years Day. Which reminds me - Happy New Year to you both.