BMW K bikes (Bricks)


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1Back to top Go down   Oil Leak? Empty Oil Leak? Fri May 20, 2016 2:19 pm

colly

colly
active member
active member
I just bought a 1983 K100 - it had been off the road for a few years - so I changed the oil, oil filter, fuel, fuel filter, spark plugs, and then eventually it was the fuel pump which got her started. She was running rough so I also cleaned the injectors and fixed and air leak but now she's purring like a kitten. One thing I noticed is a small oil leak. Its right at the bottom at the front, seems to be dripping on the left hand side. I checked and all the bolts are tight. Now When I changed the oil I did not replace any of the rubber - is this essential? Also, when I put the new oil filter in I just tightened it as much as I could by hand - I don't think there was space enough to get a too in there. Is that ok or am I wrong?  What should I do to fix this?

    

2Back to top Go down   Oil Leak? Empty Re: Oil Leak? Fri May 20, 2016 3:11 pm

Ringfad

Ringfad
Life time member
Life time member
Hi Colly

Sounds like you may have an issue with your oil/water pump.

Take a look at this thread for starters

https://www.k100-forum.com/t6847-92-k75-cafe-oil-leak-pics


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Oil Leak? Ir-log10

   ;BMW; K100RS Style Black 1987 105K Km     ;BMW; K1 Black 1993 60K Km     ;BMW;  K1100RS Black 1996       ;BMW; K1 Blue 1990 25K Miles
    

3Back to top Go down   Oil Leak? Empty Re: Oil Leak? Fri May 20, 2016 4:32 pm

Holister

Holister
Life time member
Life time member
colly wrote:......

Also, when I put the new oil filter in I just tightened it as much as I could by hand - I don't think there was space enough to get a too in there. Is that ok or am I wrong?  What should I do to fix this?
Doing the filter up by hand may not be enough to properly seal the filter and it may work loose. This will result in greatly reduced oil pressure and possible engine damage.
Finger tight and then a ¼ turn with a filter wrench is needed. You can buy a filter wrench at your local auto parts shop or eBay. They're pretty cheap.
Oil Leak? 61u3OWIfUvL._SL1095_


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1989 K100RT     VIN  0097367 (naked)  
1996 K1100RS   VIN  0451808
 Oil Leak? Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

eman-nyc

eman-nyc
active member
active member
Hello everyone 
New member here and have some questions......it started to leak a bit by the clutch release gearbox boot cup.... when i checked i saw cracks on the rubber boot cup.....I am in the process of getting a new boot but in meantime should i add clutch oil and how much...i am new to this so i have no idea....

    

5Back to top Go down   Oil Leak? Empty Re: Oil Leak? Fri Aug 12, 2016 5:25 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
egjokaj wrote:Hello everyone 
New member here and have some questions......it started to leak a bit by the clutch release gearbox boot cup.... when i checked i saw cracks on the rubber boot cup.....I am in the process of getting a new boot but in meantime should i add clutch oil and how much...i am new to this so i have no idea....
Check the main page of the forum for information entitled something like "So you've bought a K bike..." After three posts you can request a password from the forum admin and gain access to the online manuals and specs. Goodonya for being willing to dive in with no knowledge of what you're up against, but the info is widely available and before you know it, with a bit of research on your part, you might begin to grasp the essentials.

It's likely just a bit of gearbox oil leaking due to the cracked boot...these bikes are dry clutch/separate gearbox so there's no common engine/gearbox/clutch disc oil floating about. Checking the gearbox oil level is easy if you've the original shock preload tool with the mark across the handle. It doubles as a dipstick in the oil fill hole on the right hand side of the 'box. Use only Hypoid GL5 oils of about 75W90, 80W90 or the synthetic 75W140 variety. If you're not sure drain the oil into a strategically placed pan and refill with 900cc (+/-) of the aforementioned stuff.


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1977 R75/7-100, '93 K11/K12 Big Block, '95 R100 Mystic, '96 K1100RS, '98 K1200RS, '06 K1200R & '09 K1300GT. Projects: 1993 & '96 K1100RS, & 1st '98 K1200RS.
The Mystic, Big Block, 2nd K1200RS, K12R & K13 are running & ridable.
    

6Back to top Go down   Oil Leak? Empty Re: Oil Leak? Fri Aug 12, 2016 9:16 pm

Rick G

Rick G
admin
admin
Ringfad wrote:Hi Colly

Sounds like you may have an issue with your oil/water pump.

Take a look at this thread for starters

https://www.k100-forum.com/t6847-92-k75-cafe-oil-leak-pics
G'day Colly I would say Ringfad is spot on with this. Dont delay too much with the fix as the oil can start to mix with the coolant and make the job a bit bigger.


__________________________________________________
"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 1999 K1100 LT with a Big Block 1200
    

7Back to top Go down   Oil Leak? Empty Re: Oil Leak? Sat Aug 13, 2016 5:38 am

KiwiK100

KiwiK100
Gold member
Gold member
Generally all the seals and O-rings are reusable, up to a point. The cam and crank cover formed gaskets last for ever so it seems, but with careful cleaning and application of three bond in the right spots. The timing chain cover has no formed or paper gasket (uses a three bond applied liquid gasket) so the only 'must replace' item is the hall sensor cover gasket. If a drip originates at the very bottom of this cover it is often caused by an incorrectly fitted crankshaft seal. The oil filter cover O-ring will last countless oil changes, and the oil filter comes with a new seal attached. Make sure the old seal comes out with the filter and is not left behind as two seals do not work well at all. 
I'm up to 30 oil changes over 14 years on my 1200 (same part # as K100's) and on my second filter cover O-ring, and I only changed it 'cos I thought I should.


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Current rides:
2020 R1250RS. Metallic black with all the fruit
1983 K100C. Red. Krauzer fairing.
1984 K100RS. Madison silver.
2002 K1200RS. Owned from new. Pacific Blue, Ohlins, Speiglers, Fiamms, HID. 186,000km SOLD Crying or Very sad
1991 K1. Schwartz metallic black, 18 month frame off restoration. 74,000km SOLD Crying or Very sad
1987 K100RS Style. Black, Ohlins, Race Tech springs, Braided lines. Fully restored. 53,000 miles. SOLD Crying or Very sad
The family history:
1951 AJS 500 single - my Dads ride
1953 Triumph Terrier - my Mum's ride
1916 Triumph Type H, Battle of the Somme, France WW1 - my Grandads ride
    

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