A couple of questions re K12s - K-Bikes.com - Excellence in Motion
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post #1 of 4 (permalink) Old Apr 8th, 2020, 11:02 am Thread Starter
Join Date: Jul 2019
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A couple of questions re K12s

I am about to change the final drive oil, i don't need to remove the drive does it kind of folds downwards 90 degs so the fluid pee's out right?? Or do ihave to undo the 24mm nut under the plastic cover?

Secondly i have loads of grease left over from changing cv boots on cars can I use a dab of this on the splines instead of BMW grease?


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post #2 of 4 (permalink) Old Apr 8th, 2020, 12:07 pm
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Yes the cv joint grease is a good choice. Swinging down the final drive to drain it is the best choice when there is no drain plug. Pesky to put back together. Have some blocks ready to support the drive when you undo the torque arm. 180ml of GL5 rated gear lube. You can also remove the leading edge of the front boot and scoot the shaft back 3/4" and lube those splines if you have some time on your hands. Watch out for the abs wire.

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post #3 of 4 (permalink) Old Apr 8th, 2020, 12:40 pm Thread Starter
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Thats brilliant thanks very much will get on it tomorrow
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post #4 of 4 (permalink) Old May 17th, 2020, 1:11 am
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On my 2008 K12S I've never been able to get the drive shaft off the final drive by simply swinging it down 90 degrees on the pivot bolt. Maybe I'm the dummy here but regardless, it takes 2 mins to remove the pivot bolt and pull the entire final drive off. This also allows me better access to grease the splines on the drive shaft.
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