PDA

View Full Version : Centre stand bump-stop: R1150RS


R-1150-RS
06-09-2004, 01:06 PM
Like many other R-1150-RS owners, I too have lost my centre stand rubber bumper.

(It had been lost before, but I was fortunate that it was still on the ground at the local gas station where I filled it the previous day. This time it is at a gas station 300 km away!)

I think we can all agree there is a design flaw with BMW's solution to the centre stand banging as it is raised.

Their approach is to put a rubber bumper on the moving stand, right where the foot can knock it of, rather than put the rubber on the part it bangs against.

My solution to this was to use contact cement to apply rubber to the underside of where the centre stand bumper strikes the bottom of the frame bracket. I cut two small sections of rubber boot, (Doesn't everyone have a few pairs of these lying around?), and laminate these to the bottom of the underside of where the bumper strikes the frame using contact cement. You may need a third piece, depending on the thickness of the rubber.

They should be far more likely to stay there than a bumper that is constantly kicked by your foot every time it is used. There really is little force acting on it other than the force of the centre stand bumper pressing it into the frame bracket each time it retracts. It is also not very visible there as it is on the underside of the frame bracket.

Even if it does come off at some point, hopefully, it will be after a longer time than when the regular bumper gets kicked off.

It is far cheaper than the trouble and expense of going to the dealer to replace it. All you need to do is cut up some more little pieces off your old pair of boots and glue them on. I think the bike will have long worn out before you would even need to consider cutting up the second boot of the pair!

Gary
:) :)

MikeH
06-09-2004, 02:08 PM
The irony is that this same rubber bump stop is used on the R1100RS centre stand and doesn't pose a problem as the bracket is different. Mine is still in place after 7 years. You have to question why BMW didn't retain the original design. :confused:

darrylri
06-09-2004, 02:10 PM
Another fix, which I think I learned about here, is to by the rubber cover for a K75 kickstand and put it over the centerstand bumper-holder. This has worked well for me for a year, though I did have to trim one side of it so it didn't interfere with the shifter linkage.

cat0020
09-09-2004, 07:33 PM
I've reaplaced my R1150RS centerstand bumper with a K1200RS centerstand bumper.. since 600 mile service.. now at 25500 mile, still the same K1200RS bumper, never had a problem with it.

groundeffect
13-09-2004, 11:52 PM
Cat, with that mod, can you put your foot over the whole protrusion when setting the centerstand? Or do you still have to use the original 'technique' to avoid losing the k stopper?

After losing my first stopper, I did learn the awkward technique; havn't lost another, however EVERY service ,I have to look for it under the bike!!!!
I rate this stopper/bumper doo-hicky right up there with those silly (litigation society dictated) ,damned difficult to remove,reminders on the gas tank! :puke: :eek: :dunno:
Ah to vent

cat0020
17-09-2004, 01:12 PM
The centerstand bumper from the K1200RS mounts onto the same location as the R1150RS bumper, it requires some force to install the bumper, so it has not come off for the last 24K miles that my RS has traveled.

No special technique to deploy the centerstand required. Actually, my foot does not come in contact with the bumper when I deply the centerstand.

DougM
17-09-2004, 03:42 PM
Here's a pic of the K bumper stop... BMW part #46532312966. Been on my RS for 2 1/2 years without falling off.

http://www.dougmosher.com/bmwr1150rs/images/CenterstandBumper.jpg

groundeffect
18-09-2004, 12:04 AM
Looks like a great mod!
Cheers

eddy
20-06-2005, 08:58 PM
Just for information from experience. I bought a 2002 r1150rs two days ago with a short test drive. It seemed fine but, after the transmission reached its running temp, the shifting was harder and for every up shift I did I had to manually push the shifter down in order to shift to the next gear.
Problem fixed: It was the center stand rubber stop pushing up on my shifter lever because the expansion of the tranee. We looked at several 1100/1150 and found some the center stand rubber stop rubbing against the shifter.

tomcharles
21-06-2005, 08:18 PM
Hi,

I've got a K bike bump rubber on my centrestand. I had to shave off a small slice with a Stanley knife to clear the gear lever. The original one was already missing when I got the motorcycle.

Tom W.

jodyrevb
27-08-2005, 07:33 PM
I found my bumpstop rubber sitting there waiting for me in my parking place one day when I returned from a ride. An automotive hose clamp rated for 5/16" to 7/8" diameter clamping duty is just the right size for holding it in place. Be sure to get the kind with a stainless steel band -- there are versions for sale with a plated band, which I would not expect to survive well in the nasty environment this piece is subjected to. So far it has been holding on without any need for attention for about two months.

No special care is required when deploying or retracting the centerstand.



http://homepage.mac.com/jodyrevb/Forums/BMW_RS_Club/bstop_06.jpg

Wayne Dowers
10-02-2007, 10:42 PM
After almost 5 years it finally happened - the bumper fell off. I just had the brakes serviced and stopped to get gas on the wah home 1/4 mile from the dealer, wonder if the tech might have ham footed it. Anyway, I epoxied it back on, ordered a new stock one - figure I'd give it another try if the first one lasted 5 years.

Jason
11-02-2007, 06:02 AM
I've had on '03 R1150RS, and currently have an '02 R1150RS. On the '03, there was a bit of a 'shield' going around the bump-stop on the center stand, which offered the bumper some protection from an ill-placed foot. The '02 has no such shield. I found (after knocking it off a few times on the '02 with my ill-placed foot, trying to glue it on, and knocking it off again, etc) that actually taking a box cutter to the bumper so that it is both shorter and convex shaped has eliminated my bumper-falling-off woes. It still does the job of eliminating rattles and clanks, and there's not enough of it there for my boot to knock it off when deploying the center stand.
http://sibre.org/images/posterity/2002_BMW_R1150RS/centerstand_bumpstop.jpg
The shaded region overlapping my bump stop represents the approximate original dimensions of the bump stop.

Hughie
12-02-2007, 08:12 AM
I used the DougM K bike rubber method .. quick to fit, cheap & looks like a perma solution...

drharveys
12-02-2007, 09:35 PM
After I lost the first one, the dealer replaced it & said it would hold. Needless to say, I needed a third. That one's secured with Gorilla Glue, and it appears to be in for the duration!