wheel bearings! - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 12 (permalink) Old 10-25-2013, 10:36 PM Thread Starter
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wheel bearings!

My other Kawasakis wheels were starting to bind so I knocked out the wheel bearings, at 85000 kms. Fronts were shot and as of monday, there will be two new bearings in place. The rears got cleaned and repacked apart from one that hit the bin. How do you guys go on wheel bearings? Anyone got an average use by date on them?

Who walks into the Lions Den, and comes out alive?
The Lion!
12 inch apes
1986 A3 series 750
Slash cut stainless mufflers
170 rear tyre
Custom cyane blue paint, wheels included
Relocated regulator rectifier
Solo mod
Stainless washable oil filter
Six pack rack
LED indicators and flasher unit.
Replaced CDI
Coasters
Penrite 10/50
Oil pressure hot at 1000 rpm 20 psi, 4000 rpm 60 psi
Shows 67000 kms
Jets 38 idle Mains 120 changed to 40 idle 135 main.
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post #2 of 12 (permalink) Old 10-25-2013, 10:46 PM
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Not as far as I know, I've not had to replace any of mine yet. But keeping the wheels clean and moving helps lol.

2003 vn750
1988 Pontiac Trans Am (project/driver)
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post #3 of 12 (permalink) Old 10-25-2013, 11:07 PM Thread Starter
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The bearings I removed had a clay like substance in there, presumably,the old grease. They were grinding in side. The bike is an 89 model and a bargain pick up well neglected, and stored for some time. I'm impressed with how easily the rear wheel spins now, must be good for a few more miles to the gallon. It all helps. Along with the peace of mind it creates. Oh and the back wheel now is clean as a whistle. One small failure though, the alloy brake rod that stops the caliper from rolling forward came apart at the weld. I now will make another out of box steel. More work!

Who walks into the Lions Den, and comes out alive?
The Lion!
12 inch apes
1986 A3 series 750
Slash cut stainless mufflers
170 rear tyre
Custom cyane blue paint, wheels included
Relocated regulator rectifier
Solo mod
Stainless washable oil filter
Six pack rack
LED indicators and flasher unit.
Replaced CDI
Coasters
Penrite 10/50
Oil pressure hot at 1000 rpm 20 psi, 4000 rpm 60 psi
Shows 67000 kms
Jets 38 idle Mains 120 changed to 40 idle 135 main.

Last edited by Big Nick; 10-25-2013 at 11:08 PM. Reason: Spelling.
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post #4 of 12 (permalink) Old 10-25-2013, 11:35 PM
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2 years ago i replaced the original front bearings on my 76 kz400. they had about 40 thousand miles on them.

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post #5 of 12 (permalink) Old 10-26-2013, 06:13 AM
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Stay away from pressure washers, or at least, don't play the jet around the wheel spindles.
My old Ariel VH still has the original 1958 wheel bearings, and felt seals. Mind you each bearing is about 2 inches in diameter, easy to repack with grease and hugely under stressed. The wheel spindle's look like something from a battle ship.

One can never have too many alternative forms of transport.
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post #6 of 12 (permalink) Old 10-26-2013, 10:31 AM Thread Starter
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I noticed the new replacement bearings didn't have much grease in them. Any idea why?
I assume to inspire more sales and reduce cost of production, but I'm a pessimist.
So anyhow the new bearings got a liberal greasing before fitting. I think if the factories were serious about providing a reasonable transport asset, they would print a service chart under the seat. It would be a nice gesture for the money, and a responsible way of doing business. Not the usual,bring it for service, or good buy and bugger you. Just a thought.

Who walks into the Lions Den, and comes out alive?
The Lion!
12 inch apes
1986 A3 series 750
Slash cut stainless mufflers
170 rear tyre
Custom cyane blue paint, wheels included
Relocated regulator rectifier
Solo mod
Stainless washable oil filter
Six pack rack
LED indicators and flasher unit.
Replaced CDI
Coasters
Penrite 10/50
Oil pressure hot at 1000 rpm 20 psi, 4000 rpm 60 psi
Shows 67000 kms
Jets 38 idle Mains 120 changed to 40 idle 135 main.
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post #7 of 12 (permalink) Old 10-26-2013, 12:27 PM
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I recently did my front bearings. Just over 50,000. They were origianal. I probably could have got many more miles out of them but decided to be preventative on this one.

Big Nick, you didn't go with seald bearings this time around?
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post #8 of 12 (permalink) Old 10-27-2013, 03:30 PM Thread Starter
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The bearings have a seal, but it's easy to flip it out with a fine screwdriver, and clip it back in when your done.

Who walks into the Lions Den, and comes out alive?
The Lion!
12 inch apes
1986 A3 series 750
Slash cut stainless mufflers
170 rear tyre
Custom cyane blue paint, wheels included
Relocated regulator rectifier
Solo mod
Stainless washable oil filter
Six pack rack
LED indicators and flasher unit.
Replaced CDI
Coasters
Penrite 10/50
Oil pressure hot at 1000 rpm 20 psi, 4000 rpm 60 psi
Shows 67000 kms
Jets 38 idle Mains 120 changed to 40 idle 135 main.

Last edited by Big Nick; 10-27-2013 at 03:32 PM. Reason: more info.
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post #9 of 12 (permalink) Old 10-27-2013, 07:42 PM
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I think you miss understand. The original bearing are open on the "back" side. The replacements I used are sealed. The outer seal seems to be nothing more than a dust seal.
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post #10 of 12 (permalink) Old 10-27-2013, 07:53 PM
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I'm lucky to have an industrial bearing distributor here. I get almost any bearing for $4-5.

Remember when atv rear axle bearings were $100 from the dealers? That's when I started using Bearing Distributors Inc.

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