BMW K bikes (Bricks)

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1Back to top Go down   What oil? Empty What oil? on Mon Mar 10, 2014 8:01 am

Mike101

Mike101
Silver member
Silver member
I know this has been done to death but i'll ask anyway.

What oil do i use in the gearbox and final drive?

The manual says use the same...is this right?

Also in total i think i'll only need 1.25 uk pints so 2 litres would be enough?

I don't mind spending a bit of money on good oil so what can i get and where is the best place to get it...i'm in the UK.

Mike


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K100LT 1987 Gold and not Beige
XT660Z Tenere
    

2Back to top Go down   What oil? Empty Re: What oil? on Mon Mar 10, 2014 8:14 am

K75cster

K75cster
Life time member
Life time member
Yep gearbox and F/D oil can (he he) come out of the same 2lt can, same stuff


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Keith - 1987 K75c with r100rt replica fairing and half of a 1984 K100rt 1992 K1100LT a blue one

The Clever are adept at extricating themselves from situations that the wise would have avoided from the outset - QUOTE from david Hillel in Out of the Earth.
    

3Back to top Go down   What oil? Empty Re: What oil? on Mon Mar 10, 2014 8:34 am

MikeP

MikeP
Life time member
Life time member
Halfords. Castrol EP90.

They also do their own brand EP80/90.

Both are GL5.


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1992 K1
1993 K1100R (used to be an LT)
    

4Back to top Go down   What oil? Empty Re: What oil? on Mon Mar 10, 2014 8:46 am

AJ.Valente

AJ.Valente
Life time member
Life time member
Yes, the Castrol 80/90 is a proven winner. I like it, and change the transmission fluid every year. Rear end is not as big a deal IMO, change every other year is fine (inspection 1).  Wink


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'98 K1200RS Marrakesh Red

My old K100 RT Pics and Mods
    

5Back to top Go down   What oil? Empty Re: What oil? on Mon Mar 10, 2014 8:48 am

RicK G

RicK G
VIP
VIP
I use Shell 80/90 probably comes from the same barrel as the castrol.
Some use a synthetic and claim smoother gear changes but I don't think it makes a difference to the life of the box. I pulled one apart that had 300,000km on it and what a waste of time it was near as good as new despite the clunky changes.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

6Back to top Go down   What oil? Empty Re: What oil? on Mon Mar 10, 2014 10:27 am

duck

duck
Life time member
Life time member
Mobil 1 75-140 with Guard Dog moly additive.


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Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

7Back to top Go down   What oil? Empty Re: What oil? on Mon Mar 10, 2014 10:55 am

Two Wheels Better

Two Wheels Better
Moderator
Moderator
BMW sell both an 80W90 GL5 dinosaur-based and a 75W140 GL5 full-syntetico, both from Castrol - and not to be confused with the SAF-XO full synth 75W90 for Hexheads and newer Ks. Any quality GL5 of various viscosity will do. I use 75W140 in my bikes, in the middle and at the back.


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1987 K100RS, '89 K100 w/K1100RS engine, '93 Framed K11/K12 engine 'Big Block', '96 K1100RS, '09 K1300GT, '13 R1200RT-P, '95 R100 Mystic & '77 R75/7.

    

8Back to top Go down   What oil? Empty Re: What oil? on Mon Mar 10, 2014 11:27 am

Guest

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Guest
+1 for 75/140 with a spoon of moly added.

    

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