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Motor Flush

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La Dolce Vita
1st Mate

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USA
86 Posts

Initially Posted - 06/20/2003 : 14:12:46

I can really use some suggestions for flushing out my '96 Yamaha. In order for me to get the muffs on the motor I will almost have to hang off the stern by my shins. Any ideas?
Thanks!
ED

Edited by - on

RoofRoof
Navigator

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USA
186 Posts

Response Posted - 06/20/2003 : 14:31:08

Well, my Honda 8hp motor had an optional brass fitting that screws into a threaded port on the motor. Only problem, is that one would have to take the motor cover off, screw in the fitting, then hook a hose to it. That turned to be too much for me to do,so....

I took the brass fitting, cut off the hose connector part, and used some automotive heater hose and ran it from the fitting and out to the front of the motor. There is where I added a hose connector. Even better, I used a plastic 'quick disconnect' fitting. That stops the water from flowing out of the garden hose and getting me wet each time. This way I push the two parts together and viola. Hopefully your Yamaha also has some sort of a port for piping water in.

Edited by - on

ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 06/20/2003 : 16:14:23

Roof, what year is your Honda ? One of the 'older' generation ?
I'd sure like to put a flushing arrangement like that on mine.

Currently maintaining two holes in the water...'77 Venture 23 and new to the family,
'78 Catalina 25

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Dave B
Admiral

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Mali
863 Posts

Response Posted - 06/20/2003 : 17:15:05

My '02 Honda (the new design) has the same port, but my '95 Honda (the previous design) didn't.

Dave Bristle, 1985 C-25 #5032 "Passage" SR/FK/Dinette/Honda in SW CT

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ddlyle
Captain

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302 Posts

Response Posted - 06/20/2003 : 17:45:59

I flush my Suzuki by putting the muffs on the lower unit on the cavitation plate. (In other words, the water intake is on the bottom of the cavitation plate immediately above the prop.)
It's a poor place to try to put muffs on, but I can do it.
The only way I can do it is to tie my boat up to the starboard side.
The motor mount is on the starboard side. And I have to pull in the stern line pretty close which means I usually have to ease off the bowline first.
If I get the motor close to the dock, it's not bad.
Then I just turn on the hose, double check that my muffs are in the right spot and crank the motor.

I heard somewhere that some engines have rinse hook-ups close to the tiller handle. (It might have been a yamaha, maybe newer than yours.)
It would surely be nice if engine designers would use their products, namely, try to rinse it out from the dock.

Cap'n Dave
Sailing The Blues
1986 C25 sr/sk #5413

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tinob
Master Marine Consultant

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USA
1883 Posts

Response Posted - 06/20/2003 : 19:52:23

Ed,

I offer this in the hopes that it might help in your situation. I have a '93 OMC( Johnson 9.9 etc.)this motor has a smallish SS screw in the water jacket on the starboard side of the motor. Johnson sells a hose insert, $ 25, that screw into it and then one connects a hose to it. Perhaps your motor has a similar device. It's worth looking for. If you are merely trying to flush the motor it can be done by connecting a hose to the "pisser tube".

Val on Calista # 3936

Val Bisagni]<img src="http://im1.shutterfly.com/procserv/47b3df11b3127cce94709c5ff2e90000000010" border=0>

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Douglas
Master Marine Consultant

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1595 Posts

Response Posted - 06/20/2003 : 20:11:48

http://www.catalina25-250.org/tech/tech25/tt028.html

Doug&Ruth
Triska (Alberg 29)
Tacoma Wa.

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redwards
Deckhand

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USA
13 Posts

Response Posted - 06/20/2003 : 23:28:48

OK ----- now this might sound silly and probably looks it but have converted a couple of marina dock walkers to my solution. I have a Honda 10 on my C25 and have the same issue with flushing the water system, solution was to purchase a Large laundry basket (with solid sides and rope handles, tie a line from handle to handle over the motor bonnet, and fill with water from the dock hose to submerge motor past the water intake (keep the hose running) start the motor and flush. I use the boat hook to steady the bucket full of water while the engine runs. Sure beats hanging over the stern trying to reach something out of reach anyhow.

Ray Edwards
C25 #5079
Cruiz'n <img src=icon_smile_cool.gif border=0 align=middle>

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Douglas
Master Marine Consultant

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1595 Posts

Response Posted - 06/20/2003 : 23:51:51

What does it take !!! My Honda system works so well Honda has now statrted to put a system the same on their new engines. A T fitting an Addaptor and cap. All you need to do to flush the engine is take the top cover off hook up a hose and turn it on low. (((Done))) no bending over the stern or pulling the engine off or hanging buckets etc. etc. etc.

Doug&Ruth
Triska (Alberg 29)
Tacoma Wa.

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ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 06/21/2003 : 10:53:51

Thanks for that post Douglas... I'm gonna retrofit my Honda 8hp with that one for sure. Right now I back my boat into an 'inside' slip just so I can get the *&&@## flushing fitting on the water intake.

The original flushing arrangment was one of Hondas shining moments in engineering.

Currently maintaining two holes in the water...'77 Venture 23 and new to the family,
'78 Catalina 25

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RoofRoof
Navigator

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USA
186 Posts

Response Posted - 06/21/2003 : 17:30:22

My Honda 8hp that I have installed the flushing system on, is a 2001 model.

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The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.