Clicking in rear hub or brake on hand-rotation of rear wheel - BMW F800 Riders Forum & Registry



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  1. #1
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    When my bike's on its center stand and I rotate the rear wheel to clean the chain or inspect the tire, I hear a little, irregularly timed click, over and over. The sound seems to come from the bike's left (brake) side. It's like the click (or tick) you might hear if a large bearing were being turned in a vertical plane with some of the balls missing, so that now and then a ball might roll over the top of the circle and then run some distance down onto the next one. At least, that's the only thing I can picture that might explain such a sound. The technician or service manager at my 100-miles-away BMW shop had no guess (over the phone) about what it might be. I've ridden for months, incident-free, with the condition.

    Ideas?

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  3. #2
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    Howard. After you've checked it's not the obvious easy things (like the ABS sensor is not touching the sensor ring, brake pads not rattling etc), my guess that is is the large double row bearing in the rear hub.

  4. #3
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    Quote Originally Posted by Redned View Post
    Howard. After you've checked it's not the obvious easy things (like the ABS sensor is not touching the sensor ring, brake pads not rattling etc), my guess that is is the large double row bearing in the rear hub.
    Funny that you mention brake pads. Often, when I hear the ticking, my gaze ends up roving around the brake. The bike has only 15,500 miles on it, so I'd be surprised if there were trouble in a hub bearing. But it's my first motorbike; maybe I assume too readily that bearings in a motorbike should have a life expectancy that's at least a large fraction of what one expects in a car.

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    Howard. Intuition would suggest that motorcycle bearing life would be similar to that of cars. In my experience that doesn't seem to be the case. Don't know why. Perhaps they are more exposed to the elements, although I can't see them being any more exposed than those on cars. On other thing, as I own a F800GT, I made the comment about the double row bearing, forgetting that the R's are probably a different rear set up (I haven't checked the schematic). Never the less, there will be a bearing of some sort in there, so after eliminating the obvious things that's where I'd go.

  7. #5
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    I would remove the brake pads to eliminate that as the area, and ocne cleared remove the chain off the sprocket and make sure its not that too. Then you know it is to do with the bearing/hub assembly.
    BMW F800ST, 2010, Black, Fuzeblock, Sat Nav, BMW Tank Bag, Givi Touring Screen, Denali Spotlights, Denali CANSmart, Wunderlich Crash Bars, 62K Miles & counting 

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  9. #6
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    Thanks for that—much appreciated. The bike's now in its winter storage, so we'll learn what's up around mid-April.

    Howard

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    sparkyCGFL's Avatar
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    First off, quite a few of us have experienced bearing failure at 15,000m or less.
    However, as Redned suggested, check the obvious/easy things.
    You should also check (on a safe road) whether your rear ABS is functioning well; a malfunctioning ABS has indicated rear wheel axle/bearing wear.
    Lastly, check for play in the rear wheel when on the centerstand. Get on the side of the wheel and make sure the wheel isn't "rocking" on the axle.
    Up to an 1/8" is likely OK, but any more is not a good sign.
    Stay safe

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    Bit of a long shot but easy to check, I had the chain on another bike causing a subtle click. Turned out to be the perfect balance of lube and tension making it slide to the inside as the wheel turned. The sprocket was barely out of alignment and the chain shifted towards the tire every 3rd link or so as it spun. Worth a look

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    +1, especially as chain & sprockets get worn out. Check for missing rollers on the chain as well.

    One other oddball thing that can cause a strange "clicking" is loose wheel balancing weight(s) (only valid on spoke wheels). It will slide off the spoke nipple until it stops at the cross-spoke area, then slide back down around the spoke nipple again (or close) as the wheel rotates further. Never an issue when the wheel is spinning at riding speeds...

    FWIW, wheel bearings went out on F650 Funduro in Wasilla, Alaska at <10,000 miles. Anchorage BMW denied warranty coverage, claiming "normal wear item".

  13. #10
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    FWIW: rear wheel bearings on my 2012 F800R had to be replaced ... I forget the precise mileage but under 10K and certainly a surprise: never had that happen on any of my prior Japanese motorcycles
    Fortunately covered under warranty after some insistence ... if that's the case, the side-to-side check that sparkyCGFL described will identify it
    Good luck, I know things like that can drive someone crazy!
    2015 F800R
    Prior: CB350 CB450 FJ600 GS750E GS1150ES FJ1100 CB650Nighthawk Vespa50 XLVTransalp TDM850 Bandit600s Bandit1200 ER6N '12F800R 

  14. #11
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    Thanks, all of you, for these data. I'll check all the possibilities y'all have suggested when spring's here.

    Howard

  15. #12
    RobA is offline F800Riders.org Supporter
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    Hi Howard. You don't say if your bike has a Scottoiler or something similar. The needle where the drip of oil comes from, which should be set on the rear sprocket, can easily take a knock and then out of alignment, click on the sprocket.

    As others have said, start with the simple things first.

    Rob.

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