Water Impeller Shaft Nut - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 5 (permalink) Old 02-21-2020, 09:15 PM Thread Starter
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Water Impeller Shaft Nut

Has anyone ever replaced the nut that holds the impeller on to the impeller shaft? What size and thread pitch nut does it take? My nut is completely rusted out. Thanks!
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post #2 of 5 (permalink) Old 02-22-2020, 09:33 AM
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Originally Posted by jakob_rothfuss View Post
Has anyone ever replaced the nut that holds the impeller on to the impeller shaft? What size and thread pitch nut does it take? My nut is completely rusted out. Thanks!
If you go to one of the multiple parts sellers websites you can look up an "exploded" view of the item you are trying to work on. It should also have a complete listing of all the items needed and full descriptions that will have the nut requirements. Good luck.

and always remember, "Ride until you rot!"
**Really not sure if the Big "C" is back right now
but having to face the fact that this is a lifetime routine
going forward. Five operations done and it still continues.

Tom
Vulcan 2000
New ride: 2009 Victory Vision Arlen Ness Signature Series
4507 miles
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post #3 of 5 (permalink) Old 02-22-2020, 07:53 PM
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https://www.cheapcycleparts.com/oemp...088b4/radiator

It's part #92015. DO NOT cheap out and use a hardware store nut. The nut itself is cheap enough, don't be surprised if the shipping is $10. You might get lucky and be able to still get one from a dealer. Check the other parts and see if there is more damage. Someone probably ran faucet water with a lot of calcium chloride in the cooling system. ONLY premixed motorcycle specific coolant and distilled water should ever be used in the cooling system.

I am a motorcyclist, NOT a biker.


1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike
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post #4 of 5 (permalink) Old 02-22-2020, 08:56 PM Thread Starter
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what's the concern with a hardware store nut? I was surprised to see the rust.
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post #5 of 5 (permalink) Old 02-23-2020, 10:52 PM
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A hardware store nut is not designed to run in coolant. I'm surprised an oem nut rusted, but like I said, someone probably put something corrosive in the cooling system. Also, I believe that is a flanged nut, and if so you cannot get those at the hardware store.

I am a motorcyclist, NOT a biker.


1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike
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