I'm Baaaaaaa-aack!

This section is dedicated to the new Rockster version of the R1150R.

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sweatmark
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Re: I'm Baaaaaaa-aack!

Postby sweatmark » Fri Sep 27, 2019 2:15 pm

Unsure about calipers, but I learned that front rotors are same for R1150** and early F800 - which shares much with the K1200/1300. Or so I hope: have spare rotors that would go on K bike before Rockster2 will need them.
Now: Rockster2, S1000R, K1300S
Then: R850R, R1100R, R1150R, Rockster1, R1200C, F800S, etc.

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riceburner
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Re: I'm Baaaaaaa-aack!

Postby riceburner » Fri Sep 27, 2019 6:43 pm

It's more a question of the offsets from the mounting points to the plane of the disc. I wouldn't be surprised at all if the offset on the k, with its Duolever (girder) front fork is quite different to the R1150
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Re: I'm Baaaaaaa-aack!

Postby riceburner » Mon Oct 07, 2019 1:24 pm

In the vein of keeping this thread alive as a 'blog' of life with an early Rockster.....

The shock seal has failed today. I only noticed because the oil was dripping onto the catalyser and when I parked up at work I could see it smoking off. ( And smell it!!)

Here's the underside of the shock :
Image

Image

The shock has a plastic shroud over the main chromed piston rod, so without diss-assembling the thing it's not a 100% confirmed diagnosis, but the fact that there's oil obviously weeping from that 'drain hole' on the underside of the unit makes me 99.9999% certain that the seal has gone.

The difficulty in getting the correct replacement is that the unit is only used by 2 bikes: the Rockster (0308,0318) and the R850R Classic* (0428), neither of which was a good seller! The unit is a few mm longer than the standard R1150R shock, which not many breakers are aware of, so I'm going to have to do some careful talking and checking of ebay ads!
https://www.realoem.com/bmw/enUS/partxr ... series=R28



* the R850R has a choice of 4 shock units! https://www.realoem.com/bmw/enUS/showpa ... 3537666917
Non quod, sed quomodo.

A Rockster Life

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riceburner
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Re: I'm Baaaaaaa-aack!

Postby riceburner » Mon Oct 07, 2019 4:18 pm

riceburner wrote:I don't know about the Ks, I'm hoping so because I have a K12R, and if I keep it I'll probably want to do the same swap.


Well, well, well.... whaddya know...

https://www.realoem.com/bmw/enUS/part?i ... 4117722526

https://www.realoem.com/bmw/enUS/part?i ... 4117722526

Same part number for the calipers across about 10 years of models..... I love modular manufacturing practises. :D
Non quod, sed quomodo.

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