BMW K bikes (Bricks)

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1Back to top Go down   Flooding Empty Flooding on Thu Nov 14, 2013 9:55 am

gunsports

gunsports
Silver member
Silver member
I have a problem that is driving me nuts. I have a '84 K100 2v that I've written on before on this forum. Much of the electrics have now been sorted and I still have to attend to the gear box (2nd gear slipping out). But, I have a persistant flooding of cylinder No 1. Some times the bike will start perfectly; although the mixture tends to be a little rich (petrol smell). Most times however, the bike will start and idle badly (3 cylinders). Coaxing the engine along (stationary), it will take a while for cylinder one to catch up; usually accompanied by clouds of petrol smoke; back firing through the exhaust; and then settle down. Start her again (hot or cold) and she starts normally. Then (more times than not); it is the 3 cylinder start and the hassles to get her to idle normally.

This has got so bad that the bike has left me stranded on the road; necessitating the replacement of the plug to get going again.

Plugs are new; plug leads are new; coils are orange tipped and operating within their design range. All electrical contacts have been cleaned and cleaned again.

Where do I look?

    

2Back to top Go down   Flooding Empty Re: Flooding on Thu Nov 14, 2013 10:42 am

charlie99

charlie99
VIP
VIP
pull the injectors and see whats happening with them ...do they spray correctly ....is the number 1 actually closing ...or leaking


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

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OFlooding Au-log10

'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
    

3Back to top Go down   Flooding Empty Re: Flooding on Thu Nov 14, 2013 7:57 pm

RicK G

RicK G
VIP
VIP
The injectors is where I'd be looking first. If you haven't had them serviced then it would pay to have them done.

The #1 injector may be sticking open when cold.


__________________________________________________
"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
    

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