Collapsed steering head bearings. - MVAgusta.net
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post #1 of 23 (permalink) Old 05-02-2011, 05:17 AM Thread Starter
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Collapsed steering head bearings.

I took my 08 312r with only 7000km to north coast vee twins, [ ducati dealer] in coffs harbour to look at my forks as they felt like shit and i thought were leaking, i think i fixed them from leaking with my new motion pro seal mate becouse they rang me today to tell me the forks are good but my steering head bearings were rusty and had collapsed,has any one had this problem.
cheers simon.
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post #2 of 23 (permalink) Old 05-02-2011, 05:47 AM
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If I were in your position I would be considering putting in taper rollers as replacement.
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post #3 of 23 (permalink) Old 05-02-2011, 09:00 AM
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Have you been washing your bike with a hose?

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post #4 of 23 (permalink) Old 05-02-2011, 04:47 PM Thread Starter
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Yes, only a hose, never a pressure washer.
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post #5 of 23 (permalink) Old 05-02-2011, 05:12 PM
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Maybe he has just been having a wheelie good time?

Griff
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post #6 of 23 (permalink) Old 05-02-2011, 10:52 PM
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Why would you ever hold a hose to your bike? Dry cleaning with a good spray cleaner/polish like Honda Bright is more than enough! I just done get some people! I bet your rear hub bearings are next to go.

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post #7 of 23 (permalink) Old 05-03-2011, 03:09 AM Thread Starter
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I will never wash my paint work dry, dont like scratches. have you got a rain coat for your mv if it rains on a ride? I have never had this problem with jap bikes.
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post #8 of 23 (permalink) Old 05-03-2011, 09:10 AM
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Ive ridden in the rain, but not a single drop got into the rear hub or the steering head. Holding a hose on your bike and riding in the rain are 2 very different things. Even my Jap bikes never see a hose.

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post #9 of 23 (permalink) Old 05-03-2011, 05:12 PM Thread Starter
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You must have clean roads in california, not here in Australia, roads are filthy,in the country areas not city.
can i cover hub and steering head with plastic to wash it.?
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post #10 of 23 (permalink) Old 05-04-2011, 08:30 AM
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When my F4 750 had a service done at 3000 miles, the bottom steering bearing was found to have collapsed. It'd always had a tendency to suddenly understeer, but I just thought perhaps they all did that and just rode around the peculiarity. The mechanic lifted the front wheel off the floor and demonstrated that it had about 10 mm of front to back play at the wheel. No wonder if behaved like that, it was changing steering geometry mid-corner!!

Initially it looked like it had wrecked the whole steering column insert and at 300 a pop, that was annoying. Thankfully Forza Italia were able to machine some kind of replacement bit and it only needed the bearings.

Si
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