BMW K bikes (Bricks)

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1Back to top Go down   Oil Vanishing Empty Oil Vanishing on Thu May 30, 2013 8:00 pm

Pat O'D

Pat O'D
Silver member
Silver member
I went for a drive today only 90 miles gave the bike the once over before I left, Oil, Coolant all ok. This afternoon cleaning the bike I noticed that the oil level had dropped from just over the centre spot in the sight glass to just above the lower level, I checked the coolant overflow tank and it was at the same level as when I started, so the oil is probably not in the coolant Where did it go? any suggestions
Pat


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1991 K100LT Red (VIN 0191558) 138000 Miles 

Oil Vanishing Ir-log10
    

2Back to top Go down   Oil Vanishing Empty Re: Oil Vanishing on Thu May 30, 2013 9:17 pm

RicK G

RicK G
VIP
VIP
I have found that quite often an engine will appear to be using a heap of oil when you give it a long run if it usually gets only short runs. Reason being that fuel does always get past the rings but is usually evaporated of quickly but with a series of short runs the engine will normally use more oil when its cold and the fuel that get past wont have time to evaporate away so they sort of compensate and the level remains static. Then you go for a long ride and the fuel evaporates away thus looking like it has used a heap of oil but if you top it up it doesnt use any more for the trip.
I had a Ford Cleveland 351 many years ago that was very good at that.
My advice is top it up and do another ride of 100miles or so and see what happens.


__________________________________________________
"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
    

3Back to top Go down   Oil Vanishing Empty Ahhhh on Thu May 30, 2013 10:21 pm

ibjman

ibjman
Life time member
Life time member
I couldn't agree more, Rick.......If all else fails, go for a ride.

    

4Back to top Go down   Oil Vanishing Empty Re: Oil Vanishing on Sun Jun 02, 2013 2:46 pm

sidecar paul

sidecar paul
Life time member
Life time member
Also, Pat, make sure that the bike is parked on the same spot if you're checking the oil level. A slight tilt forwards or backwards makes quite a difference to the oil level in the glass.
Just a thought,
Paul.


__________________________________________________
'84 K100RS (0014643) (owned since '85), 86 K100RS (0018891) with Martello sidecar (built as an outfit in '88),
'51 Vincent (since '67),'72 Montesa Cota (from new), '87 Honda RS125R NF4 (bought 2015) 
....No CARS never ever!
    

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