BMW K bikes (Bricks)

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Bonzo

Bonzo
Platinum member
Platinum member
For a 16v ABS.

Rear first as it's past its sell by date. The front have 'a bit left', so I'll look to them later in the year.

BMW NOS are too pricey, so (unless you know different) my options are s/h 

https://www.ebay.co.uk/itm/BMW-K100RS-16V-1990-25-711-miles-rear-brake-disc-2994/184289529728

or new EBC  

https://www.motorworks.co.uk/vlive/Shop/Parts.php?T=5&NU=15&M=40&Ct=IA&SbCt=BA_15_40_IA_55


I thought there was a Brembo option but cant see it with ABS.


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1990 K100RS 4V (VIN# 6406682)
2017 R1200RS SE Sport
    

92KK 84WW Olaf

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Life time member
Life time member
I bought EBC, Motorworks and Motobins sell alternatives to BM...


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1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 105,200 miles
1983 K100RS 0011171 Fricka 606 29,495 miles Damn K Pox Its a Bat outta Hell Now 36,188  miles
    

stanthomas

stanthomas
active member
active member
EBC every time. Better than original. Second-hand are usually worn-out and overpriced although, to be fair, that one looks pretty decent.
I suppose it really comes down to how long you're going to keep the bike; a cheap fix for an MOT or something to ride for a few years.

I've just bought one of these for my 16V:
https://www.motorworks.co.uk/vlive/Shop/Parts.php?T=6&Q=BRA00661

5.0mm thick new, marked with min. thickness 4.5mm.
Use FA18 organic pads rather than sintered to get a decent life out of the disc.


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K100RS 16V '91
R100RS '81
Norton Commando '74
Eunos Roadster '90
    

Bonzo

Bonzo
Platinum member
Platinum member
Thanks chaps

EBC it is then  New brake rotors needed. What would you buy? 112350


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1990 K100RS 4V (VIN# 6406682)
2017 R1200RS SE Sport
    

Ringfad

Ringfad
Life time member
Life time member
https://www.ebay.co.uk/itm/Disc-Front-Fits-BMW-R850R-98-02-R1-1100-93-99-K1100LT-89-99-Each/114127016379

and 

https://www.ebay.co.uk/itm/Disc-Rear-BMW-K75-86-95-K100-82-90-K1-88-93-K1100LT-89-93-Each/113635977576

I have successfully replaced the rear disc on two x K1100's using the above - you do need to remove the rivets for the rear one. I have not tried the front ones but they are well priced.


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New brake rotors needed. What would you buy? Ir-log10

   ;BMW; K100RS Style Black 1987 105K Km     ;BMW; K1 Black 1993 51K Km     ;BMW; K1100RS Red 1993 70k miles (exiled in Alicante at the moment)  ;BMW; K100 16V Black (ex ElectricMonk)  ;BMW;  K1100LT (Swiss) soon to be an RS
    

gorio

gorio
Silver member
Silver member
I have successfully replaced the rear disc on two x K1100's using the above - you do need to remove the rivets for the rear one. I have not tried the front ones but they are well priced.
what did you use to put them back together? Also notice the minimum thickness is much less for the after market one. Do you remember what the thickness was new?


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1992 K100rs 16v
2006 R1200rt
Past lives
Kawasaki Concours
1976 BMW R90s
1975 Ducati 860gt
1992 Honda VFR750
1985 Honda VF750
1982 Kawasaki 750GPZ
1975 Norton 850 Commando
    

Ringfad

Ringfad
Life time member
Life time member
@gorio wrote:
I have successfully replaced the rear disc on two x K1100's using the above - you do need to remove the rivets for the rear one. I have not tried the front ones but they are well priced.
what did you use to put them back together? Also notice the minimum thickness is much less for the after market one. Do you remember what the thickness was new?
I used flat head allen bolts to fit them, the discs are 5mm thickness and  they are working out fine for me. You need to remove the abs ring and then grind out the rivets. I find it hard to justify the price of a new one when the bike only cost 350 euro.

New brake rotors needed. What would you buy? Img_2019


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New brake rotors needed. What would you buy? Ir-log10

   ;BMW; K100RS Style Black 1987 105K Km     ;BMW; K1 Black 1993 51K Km     ;BMW; K1100RS Red 1993 70k miles (exiled in Alicante at the moment)  ;BMW; K100 16V Black (ex ElectricMonk)  ;BMW;  K1100LT (Swiss) soon to be an RS
    

Two Wheels Better

Two Wheels Better
Moderator
Moderator
@Ringfad wrote:https://www.ebay.co.uk/itm/Disc-Front-Fits-BMW-R850R-98-02-R1-1100-93-99-K1100LT-89-99-Each/114127016379

and 

https://www.ebay.co.uk/itm/Disc-Rear-BMW-K75-86-95-K100-82-90-K1-88-93-K1100LT-89-93-Each/113635977576

I have successfully replaced the rear disc on two x K1100's using the above - you do need to remove the rivets for the rear one. I have not tried the front ones but they are well priced.
This one no postie parts to North America!


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Sometimes I lie awake at night, and I ask, "What can I do to keep my life from going by so fast?" Then a voice comes to me that says, "Try slowing down at the corners." 

~Charlie Brown

1970 R60/5, '77 R75/7-R100, '85 K100'87 K75C, '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R'04 R1150RT, '05 K1200S, '06 K1200R, '07 K1200R, '09 K1300GT & 2013 R1200RT-Polizei  - Beemers owned still or sold.

    

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