Rear hub/bearing failure at 36000 kms. Question. - MVAgusta.net
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post #1 of 21 (permalink) Old 08-18-2015, 10:33 AM Thread Starter
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Rear hub/bearing failure at 36000 kms. Question.

Will an aftermarket F4 rear hub assembly fit an F3?

I've seen ones sold by Design Corse and was wondering if I can use that. OEM replacement is expensive as quoted by my mechanic.

Any input and insight would be greatly appreciated.
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post #2 of 21 (permalink) Old 08-18-2015, 01:09 PM
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The quick answer is yes, but not heard of F3/B3 hub failures, how many miles, was it serviced inspected at 7.5k service?

The aftermarket options are a Mitchy hub or Design Corse one, or a s/h F3 B3 or any out of the newer bikes, certainly a few around with bikes being written off/broken.

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post #3 of 21 (permalink) Old 08-19-2015, 12:52 AM
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Quote:
Originally Posted by SmellyBean View Post
Will an aftermarket F4 rear hub assembly fit an F3?

I've seen ones sold by Design Corse and was wondering if I can use that. OEM replacement is expensive as quoted by my mechanic.

Any input and insight would be greatly appreciated.
Sorry to hear about your failure.Second one I have heard of on a F3.Has the hub been serviced at regular intervals?Even if the hub has been serviced the wheel side bearing can collapse at any time without much warning.Like Jim said the F4 late model hub is the same and will fit.With my hub I supply a spacer to suit your model at no extra charge.Where in the world do you live?


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Last edited by mitchy; 08-19-2015 at 12:58 AM.
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post #4 of 21 (permalink) Old 08-19-2015, 01:34 AM Thread Starter
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Hub failed at around 35500 kms, about 2 weeks ago. I had just completed a 600kms ride on the weekend. Parked the bike. 2 days later wanted to ride to work and noticed something was wrong. Parked bike and brought it in for service.

Bike has been service at authorized MV mechanic for all 6k kms oil changes and 12k kms services. I'm just looking for options other than replacing the old one with an OEM assembly. The shop will try and repair the hub but gave me a warning it may have to be replaced.

I dunno. 36000 kms and the hub went. I'm not happy it did but I figured that's a lot of riding.

Mitchy: in Toronto Canada.

Edit: 2013 F3 675 went on the road in March 2013, so just under 2 1/2 years of riding.

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post #5 of 21 (permalink) Old 08-19-2015, 01:52 AM
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post #6 of 21 (permalink) Old 08-19-2015, 02:56 AM
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According to the service schedule the bearings where supposed to be serviced at 12k and 24k, replaced at 36k. You almost made it, sorry to hear about your failure, hope it's repairable.

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post #7 of 21 (permalink) Old 08-19-2015, 03:22 AM
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Now the maintenance manual declares clearly that the hub has to be replaced at 36000km.
Further a OEM rear hub costs roughly the same as a Mitchy or Design Corse hub.
The service intervals will be the same on either of the hubs.
Now peoples tend to exchange the wheel side bearing/bearings.
This is not MV specific but might works too.
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post #8 of 21 (permalink) Old 08-19-2015, 04:03 AM
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Be interesting to see the failure mode. There's a needle roller bearing both sides so if the wheel side ball bearing fails then the roller should support the axle although it would be a bit contaminated with flak.

joe
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post #9 of 21 (permalink) Old 08-19-2015, 04:34 AM
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Quote:
Originally Posted by haupti View Post
Now the maintenance manual declares clearly that the hub has to be replaced at 36000km.
Further a OEM rear hub costs roughly the same as a Mitchy or Design Corse hub.
The service intervals will be the same on either of the hubs.
Now peoples tend to exchange the wheel side bearing/bearings.
This is not MV specific but might works too.
Hi Ralf,just one comment,how long since you checked the price on a OEM hub,you might be surprised.In Australia the OEM hub is double the price of mine.


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Last edited by mitchy; 08-19-2015 at 05:20 AM.
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post #10 of 21 (permalink) Old 08-19-2015, 05:38 AM
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Quote:
Originally Posted by mitchy View Post
Hi Ralf,just one comment,how long since you checked the price on a OEM hub,you might be surprised.In Australia the OEM hub is double the price of mine.
Mitch I just researched it.
The OEM hub cost 488 Euro @ startwintrading.
Your hub is offered @ ebay by You for 531 Euro or for 788$ @ GP Racing.
The Design Corse hub costs 670 Euro.
Now having a pre 2009 bike You will need a conversion kit if You change the first time to the 2010 hub, because of the design changes at the new hub, with the matching new axle.
The kit costs roughly 780 Euro.
If You want to keep the old axle than the DG or Your hub are the choices
But he has a 2013 F3 and only needs to change the hub.
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