Suzuki Water Pump

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May 11, 2005
3,431
Seidelman S37 Slidell, La.
My project for this morning was to change the water pump impeller on my little 2hp Suzy. The dink motor. Surprise, the water pump on the suzy is not on top of the lower unit, but rather right behind the prop. This is the first one like this I have ever seen. But have never changed one on anything smaller than a 5hp before. But it is so easy and simple, don't understand why every motor isn't made this way. All that is necessary is to remove the prop, take off two nuts and lift off the cover plate. There is the impeller. Not much different than most raw water pumps. I am attempting a Mainesail type how to on this, and I know it is not even close to his standards, but first attempt so how bout just a little slack.:) Photo #1 shows the prop removed and the two nuts to remove. Photo#2 is the cover plate off, and #3 is the impeller in it's little hole. I hope this may help someone who is doing this for the first time.
 

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Tim R.

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May 27, 2004
3,626
Caliber 40 Long Range Cruiser Portland, Maine
But it is so easy and simple, don't understand why every motor isn't made this way.
I would assume this motor has no gearing and always spins in forward. Any engine that has a neautral gear would stop pumping water when not in gear. If a motor has reverse the wear and tear on the impellor when shifting between F-N-R would destroy it pretty quick.

Nice write-up though. Good photos.
 
Oct 22, 2008
3,502
- Telstar 28 Buzzards Bay
Tim—

Probably a good guess since most <5 HP motors have no reverse gear. Some will have a neutral.
 

BobM

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Jun 10, 2004
3,269
S2 9.2A Winthrop, MA
I can attest to the fact that the 4hp Suzuki has reverse and has a more normal pump installation. Of course I wiped out reverse in mine by accident the year before last :-(
 
Oct 22, 2008
3,502
- Telstar 28 Buzzards Bay
LOL.... as I was saying..... most <5HP motors have no reverse gear... ;)

I can attest to the fact that the 4hp Suzuki has reverse and has a more normal pump installation. Of course I wiped out reverse in mine by accident the year before last :-(
 
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