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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: k-roc on May 18, 2024, 10:36:50 AM
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Just working on doing a minor refresh and clean up on a new to me 1995 BMW K75 RT. I pulled the side stand off the bike (also has a center stand) to soak in rust remover and to clean it up. Now looking at reinstalling, but in the manual (PDF copy) it indicates the retaining screw (Part 11 in attached pic) are micro-encapsulated and must not be re-used. Any thoughts on how critical this is or can one make sure it is lubed up well. It also has the bushing with the grease nipple to lubricate once it is back on the bike.
I didn't realize it was recommended to not reuse when I had place a couple of previous orders via our BMW dealer in Edmonton. With shipping costs, etc. it was going to be more expensive to order myself via some of the online suppliers. I will look at ordering a new retaining screw (Part 11), but hopefully the existing one can be used temporarily.
Thanks for your advice and guidance, it is appreciated.
Kelly
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The Mercedes Benz definition of a micro-encapsulated screw is, "factory bolts that have on them a Loctite type of chemical (usually blue) that prevents bolts from getting loose in high vibration and shock applications." It's safe to believe BMW shares that particular definition. What that definition told me and what I did when I replaced the side stand bushing through which the screw is inserted, was to clean off remnants of old Loctite from the screw, clean the screw with solvent, then reapply Loctite Blue 242 which, confoundingly enough, is packaged in a red tube. So far—50,000 miles—so good.
:laughing4-giggles:
What is also desirable is having limited slop in that bushing's fit with the screw and the center stand leg. Removing excess rust within the hollow side stand and center stand legs could be helpful, and verifying that the rubber caps of the center stand and rubber foot of the side stand are sealed well to inhibit moisture infiltration at those points are also important. All these measures lessen the chances of the stands' weakening from rust until the stands collapse while you're parking in front of a crowd of idle onlookers and dump the Brick onto the pavement.
icon_cheers
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That's funny that they come up with some fancy term when they could have just used a simple term like threadlocked.
I've redone several side stands and never bothered with re-microencapsulating them. As long as it's torqued properly I doubt that bolt would back out. It's never happened to me.