BMW K bikes (Bricks)

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1Back to top Go down    i'm amazed!! on Sun Jul 30, 2017 7:35 am

k-rider

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during these last few months , my k100 2 valve ,have been running more and more ruoghly , and even noisier than it used to , about a week ago i decided that maybe changing the spark plugs , and cleaning the leads and caps would remedy the problem , it didnt .

today i had a little spare time cheers, and decided to do a sync of the TB's, hmm , that didnt help either, then took some flammeable contact cleaner , and sprayed around the injectors , and hey , spraying at #1 and 2 , did make the engine rev a little faster.
mind you these injectors where only installed 3 years ago ,reconditioned 4 pintle spray pattern of course with new o-rings and filters. the o-rings where very spongy , but didnt look cracked, only did about 60000 kms , shouldnt they last longer than that?
well , of with the injector rail , i had some new RED o-rings , so it was a simple swap,clean of the gunk from the cylinder head ,reinstall the rail, and of for a test ride ,
and it is as if i have a new engine , it runs sooo smooth and quiet ,even the gear change seems better , well that last bit might be imagination,
but it truly amazes me that those 2 little rubber things will have such a big effect to the engine


have a nice sunday

k-rider


2Back to top Go down    Re: i'm amazed!! on Sun Jul 30, 2017 6:08 pm

Snod Blatter

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This is interesting, mine is getting rougher as time goes by and it is surely all these rubbery bits perishing. Yet another little bit to add to the list!


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1989 K100RS SE ABS 8v VIN: 0149214
Others: 1.5 x Honda CBX250RS-E, '94 CB250, '95 TRX850, '16 Z250SL
http://justbikethings.blogspot.co.uk/
    

3Back to top Go down    Well Done! on Sun Jul 30, 2017 6:18 pm

tagaz

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Congratulations, another happy ending.
"And They Rode Happily Ever After".

    

4Back to top Go down    Re: i'm amazed!! on Sun Jul 30, 2017 8:59 pm

blaKey

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Well done k-rider and thanks for passing on the information.


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Neil
K100RS 1986 RED!
K100RT 1987 (now nekkid with red bits)

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5Back to top Go down    Re: i'm amazed!! on Sun Jul 30, 2017 9:47 pm

RicK G

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It is very easy for these type of issues to creep up on you. When I worked for Honda we had many bikes come through the workshop that were traded because they were "knackered" only to find that it was very simple things wrong and a fairly cheap fix. Quite a few of the mechanics there ended up with very good bikes after buying these "knackered" bikes for the trade in price then fixing them.


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"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats." from Mencken's 1919 Prejudices

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    re: i'm amazed on Mon Jul 31, 2017 4:22 am

audibob

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Thank you k- rider for reminding me to check my injector 0 rings for leakage. I have been chasing a missfire when my engine warms up. although she pulls well and is really smooth at all speeds.

I have a list of the usual suspects including spraying around the intake stubs, but had completely forgot about the injector seals...I intend to replace or have injectors cleaned anyway , so new o rings would have been fitted at some stage .

I will check them for leaks today...thanks again for reminding me.

Snod...if you need the use of a carb tune set to balance your tbs, I have them . You are more than welcome to bring your rs to me and use my garage .

Im not far from you.

Bob


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Yamaha 90
Honda CD 175
Honda CB 360
Triumph T 140V Bonneville
Triumph T150 Trident
Honda CB750 F1
Cz 175
Yamaha XS 750
R 100/7
R 80
K100 LT
K100 LT current bike
    

7Back to top Go down    Re: i'm amazed!! on Mon Jul 31, 2017 12:20 pm

k-rider

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@tagaz wrote:Congratulations, another happy ending.
"And They Rode Happily Ever After".
hopefully ....
but probably notVery Happy


k-rider

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