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K100-forum.com » Technical, repair and troubleshooting » How to – Article from you telling others how to do a specific job » 1984 BMW K100RS Brake rotor upgrade???

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John in Phoenix

John in Phoenix
active member
active member
Has anyone upgraded their brake rotors on a K100RS?  There has been some talk of upgrading the entire front fork assembly on this motorcycle, but I hate to make so many changes.  Are the original brakes good enough?  Would they be improved significantly with new rotors and new brake pads?

I already have an aftermarket fork brace on this machine.  I'm somewhat inclined to keep the setup I have.

Thank you!
John in Phoenix

    

SEGAFREDO

SEGAFREDO
active member
active member
You can use reinforced flexible pipes like this ...


1984 BMW K100RS Brake rotor upgrade??? Images?q=tbn:ANd9GcRAXS7f78xBVvNt2SowhxcSydUwYXrXp9Ipe6VsRw9nVW36ptv6

    

charlie99

charlie99
VIP
VIP
there are a number of upgrades john
first an possibly the best is to fit braided brake lines as already suggested , but dont forget to do the top line as well (master to through tube )

there is now a full floating disc option available as well , fits in exactly the same way as normal but has bobbins between disc and rotor
thirdly there is a choice of pads ...sintered gives you more pullup power but wears disk faster .... take note some pads are better than others as well , even in the same category

just some suggestions without changing the front end that I have seen  or done .


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ########   "Red"  - (red sports rs TWB style )
1989 K100rt #009637   "Black Betty"  (naked rt ala Nigel , now sporting an rs main fairing )
    

Dai

Dai
Life time member
Life time member
You can try cast iron rotors instead of the stainless ones. It's a better braking material and (surprisingly) doesn't wear out so fast. It's not so prone to ridging either. There is a downside: look at the front wheel on my avatar. That's rust, not mud. It's been flung off the discs.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

SEGAFREDO

SEGAFREDO
active member
active member
charlie99 wrote: il ya un certain nombre de mises à niveau john
abord un doute le meilleur est à adapter les conduites de frein tressées comme déjà suggéré, mais n'oubliez pas de faire la ligne supérieure ainsi (maître à travers le tube) il ya maintenant une option de disque flottant complet disponible ainsi , s'adapte exactement de la même manière que la normale, mais a des canettes entre le disque et le rotor , troisièmement, il ya un choix de touches ... fritté vous donne plus de puissance pullup mais porte disque plus rapide .... prendre note des pads sont mieux que d'autres, ainsi , même dans la même catégorie que quelques suggestions sans changer la fin avant que j'ai vu ou fait.




There are two choices: replace the three genuine parts or two flexible pipes directly from the master cylinder.

    

92KK 84WW Olaf

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Just check the sintered pads will fit the earlier calipers. I recall reading something about them not fitting the early calipers.


__________________________________________________
1992 K100LT 0193214 Bertha 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 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 51,800 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 63,390 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

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K100-forum.com » Technical, repair and troubleshooting » How to – Article from you telling others how to do a specific job » 1984 BMW K100RS Brake rotor upgrade???

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