BMW K bikes (Bricks)


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1Back to top Go down   what am i looking at? Empty what am i looking at? Wed Jul 12, 2023 2:26 pm

vividcolt

vividcolt
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It would seem there is a part missing above the engine?

Although, im hoping thats not the case. As i am definitely wanting to put the coolant reservoir and front brake reservoir over here.

Thanks,what am i looking at? Img_5413
what am i looking at? Img_5412

Let me know if the images don’t work.

    

2Back to top Go down   what am i looking at? Empty Update Wed Jul 12, 2023 2:29 pm

vividcolt

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The missing air filter and intake pipe is removed intentionally. There is a screw hole on the engine which makes me think there is a part that goes in this wide open space

    

3Back to top Go down   what am i looking at? Empty Re: what am i looking at? Wed Jul 12, 2023 5:39 pm

MartinW

MartinW
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Front master cylinder reservoir is a gravity feed to the cylinder you might be pushing uphill to relocate it there. 
Regards Martin.


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1992 K75s
    

4Back to top Go down   what am i looking at? Empty Re: what am i looking at? Wed Jul 12, 2023 6:08 pm

Dai

Dai
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Nothing's missing, but take note of what Martin says.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

5Back to top Go down   what am i looking at? Empty Re: what am i looking at? Thu Jul 13, 2023 2:46 am

jbt

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vividcolt wrote:

Although, im hoping thats not the case. As i am definitely wanting to put the coolant reservoir and front brake reservoir over here.

A bad idea and a very bad idea.
If there's nothing here, there's a good reason why: this is the hottest zone of the bike. The warmed air from the radiator combines to the warmed air coming from above the engine, trapped under the reservoir. It's pure nonsense to place here the coolant catch can as it will warm up the coolant constantly. On a bike prone to overheating, that's not the smartest thing to do.
About the brake reservoir it may work if placed here, but only in zero gravity zones...Rolling Eyes
And if you expect to ride on Earth and place here the rear brake fluid reservoir, the temperature will also be an issue: the fluid will boil at the first braking and your brakes will never operate.


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Let us enjoy the transient delight
That fills our fairest day.
    

6Back to top Go down   what am i looking at? Empty Re: what am i looking at? Thu Jul 13, 2023 5:45 am

92KK 84WW Olaf

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vividcolt wrote:The missing air filter and intake pipe is removed intentionally. There is a screw hole on the engine which makes me think there is a part that goes in this wide open space

I have been in there on a few of my Ks but there is nothing to go into that threaded hole on any of them


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 48,061 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 61,190 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

7Back to top Go down   what am i looking at? Empty Re: what am i looking at? Thu Jul 13, 2023 10:00 am

Suzi Q

Suzi Q
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BMW put that hole there so's, thirty five years later, I could use it to bolt down a shed-built plenum chamber.

Fully agree with JBT's point about airflow through the radiator btw. I binned the entire fan on three different Ks (none are faired) and I guess this improves airflow. Prior to that, the fan on my K100 never switched on, but this is temperate old England, and I don't ride in cities.


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Sometimes I'm not really Suzi Quatro.
    

8Back to top Go down   what am i looking at? Empty Re: what am i looking at? Thu Jul 13, 2023 10:02 am

Point-Seven-five

Point-Seven-five
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That threaded hole looks to me like it is in the perfect spot for a lifting ring to make handling the engine easier in the factory.


__________________________________________________
Present: 1991 K100RS "Moby Brick Too"
 
Past:
1994 K75RT "Ilsa, She Wolf of the SS"
1988 K100RS SE "Special Ed"
1994 K75S "Cheetos"
1992 K100RS "Moby Brick" R.I.P.
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

9Back to top Go down   what am i looking at? Empty Re: what am i looking at? Thu Jul 13, 2023 10:10 am

Suzi Q

Suzi Q
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I'd guess the 'gap' is there because BMW laid out the 750, then added another cylinder to the front and bent the frame downtubes forwards.
I'm not kidding (for a change).


__________________________________________________
Sometimes I'm not really Suzi Quatro.
    

10Back to top Go down   what am i looking at? Empty Re: what am i looking at? Thu Jul 13, 2023 11:23 am

jbt

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It's a good hypothesis, yet the K100 was first developped, then the K75 was issued from it.


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Let us enjoy the transient delight
That fills our fairest day.
    

11Back to top Go down   what am i looking at? Empty Re: what am i looking at? Thu Jul 13, 2023 4:50 pm

Two Wheels Better

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That threaded hole in the bare space on top of the engine was the perfect place for me to use a threaded rubber mount for the adjustable fuel pressure regulator I fitted to "Big Block.'
what am i looking at? 20230710
Smile


__________________________________________________
Patience is something you admire in the driver behind you and scorn in the one ahead.
~Mac McCleary
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.
    

12Back to top Go down   what am i looking at? Empty Re: what am i looking at? Fri Jul 14, 2023 3:25 am

Suzi Q

Suzi Q
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Mods; please rename this thread ‘What I fixed to the M8 hole on MY k-bike’. 😀
Weather vane anyone?
Church bell?
Burj Khalifa?

    

13Back to top Go down   what am i looking at? Empty Re: what am i looking at? Fri Jul 14, 2023 9:07 am

Laitch

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Suzi Q wrote:Weather vane anyone?
Church bell?
Burj Khalifa?
Miniature thermoelectric generator black zip-tied to an eyebolt-mounted, cantilevered platform. Wires from it connect to leads from an electric, weather- and wind-resistant mani chos 'khor mounted on the tank bag with velcro.


__________________________________________________
1995 K75 90,000 miles
    

14Back to top Go down   what am i looking at? Empty Re: what am i looking at? Fri Jul 14, 2023 11:06 am

Suzi Q

Suzi Q
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Okay, so I googled 'mani chos 'khor, nice.

Now you need to google 'Sun hats - why should I wear one?'


__________________________________________________
Sometimes I'm not really Suzi Quatro.
    

15Back to top Go down   what am i looking at? Empty Re: what am i looking at? Fri Jul 14, 2023 11:50 am

Laitch

Laitch
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Suzi Q wrote:Now you need to google 'Sun hats - why should I wear one?'
Reason #7 seemed the most sensible but I was more attracted to #10.


__________________________________________________
1995 K75 90,000 miles
    

16Back to top Go down   what am i looking at? Empty Re: what am i looking at? Fri Jul 14, 2023 5:02 pm

Dai

Dai
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Laitch wrote:
Miniature thermoelectric generator black zip-tied to an eyebolt-mounted, cantilevered platform. Wires from it connect to leads from an electric, weather- and wind-resistant mani chos 'khor mounted on the tank bag with velcro.
I got well told off for accidently turning one of those backwards in a Himalayan monastry.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

17Back to top Go down   what am i looking at? Empty Re: what am i looking at? Sat Jul 15, 2023 5:27 pm

Two Wheels Better

Two Wheels Better
Moderator
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How do you tell where the Nazi, white supremacist lives in Portland, Oregon?
what am i looking at? Prayer10
All of the Tibetan prayer flags are white.


__________________________________________________
Patience is something you admire in the driver behind you and scorn in the one ahead.
~Mac McCleary
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.
    

18Back to top Go down   what am i looking at? Empty Re: what am i looking at? Sat Jul 15, 2023 5:38 pm

jbt

jbt
Life time member
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Two Wheels Better wrote:
All of the Tibetan prayer flags are white.
Looks like a long tenia for big assholes.


__________________________________________________
Let us enjoy the transient delight
That fills our fairest day.
    

19Back to top Go down   what am i looking at? Empty Re: what am i looking at? Sat Jul 15, 2023 5:47 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
jbt wrote:
Two Wheels Better wrote:All of the Tibetan prayer flags are white.
Looks like a long tenia for big assholes.
That 'joke' of mine really is in poor taste, admittedly. However, may they enjoy long bouts on the loo in extreme discomfort.


__________________________________________________
Patience is something you admire in the driver behind you and scorn in the one ahead.
~Mac McCleary
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.
    

20Back to top Go down   what am i looking at? Empty Re: what am i looking at? Sun Jul 16, 2023 12:24 am

jbt

jbt
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An arabic proverbia says: May their ass itch and their arms shorten so they can't scratch.


__________________________________________________
Let us enjoy the transient delight
That fills our fairest day.
    

21Back to top Go down   what am i looking at? Empty More engine trouble :D Sat Jul 29, 2023 12:07 am

vividcolt

vividcolt
active member
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Following up on my last post. Thanks for all the great advice. I will be replacing the gas tank internals....

As I was trying to attempt to start the bike. The starter sounded weaker than usual, less consistent, and at times couldn't crank the engine. With the spark plugs removed, it was able to efficiently make full cranks. 

I just recently replaced the starter relay, I would assume that's not the issue. I do not know the reliability of the starter itself, but i am hoping that isn't something I need to replace lol. I wanna say the battery is near dead, even though I charged it last week, the amount of times I have tried starting the bike recently has probably done a number on it?

Additionally, the engine seems flooded, or gunked. I took a torch into each cylinder head trying to ignite most of the excess gunk and fuel, but I can't tell if the job was successful. Would dirty cylinder heads really play into my bike not starting?

I am also wondering how to stick an alan wrench into the airbox to remove it, so that I may access the rear end of the fuel line. Since replacing the line is probably easier than cleaning it. Although, to clean the gas tank, can I just soak it in SeaFoam? 

Should I just give up lol?....

    

22Back to top Go down   what am i looking at? Empty Re: what am i looking at? Sat Jul 29, 2023 2:05 am

Suzi Q

Suzi Q
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Bike batteries don't have huge amounts of reserve, so it might just be flat. Don't give up on it just yet. The starter usually either works or it doesn't - a starter going 'weak' is probs just the battery.
Charge it up and crank the engine with the plugs out. That should clear anything out of the cylinders.

I'd check those non-FI hoses before anything else though!


__________________________________________________
Sometimes I'm not really Suzi Quatro.
    

23Back to top Go down   what am i looking at? Empty Re: what am i looking at? Sat Jul 29, 2023 2:10 am

Laitch

Laitch
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vividcolt wrote:I took a torch into each cylinder head trying to ignite most of the excess gunk and fuel, but I can't tell if the job was successful.
GAWDALMITEY You can just cut out doing that! OK? Use your oven for baking. Here are some ideas for cleaning the tank; vinegar is popular but there are many from which to choose. A torch will not be needed.Laughing


__________________________________________________
1995 K75 90,000 miles
    

24Back to top Go down   what am i looking at? Empty Re: what am i looking at? Sat Jul 29, 2023 7:40 am

Dai

Dai
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vividcolt wrote:I am also wondering how to stick an alan wrench into the airbox to remove it, so that I may access the rear end of the fuel line. Since replacing the line is probably easier than cleaning it.
Tools you will need and probably haven't got: a pair of longnose pliers (3-inch jaws) for replacing the rear left airbox clip and a Phillips head screwdriver with an 8-inch shank for removing the fuel pressure regulator

- Loosen the worm drive holding the airbox to the plenum chamber (forward, left - look down through the frame and you'll see it)
- Ping the three securing clips off the airbox with a screwdriver - two are easily visible on the right but the third one is at the back of the airbox to the inside of the throttle position sensor
-  The top half of the airbox and the filter should now come out
- It's a 6mm allen drive for the bottom of the airbox
- Do not lose or forget to reinstall the two big washers underneath the airbox (so saith BMW Very Happy )

You might be able to get the fuel pipes off at this point, but if they won't play ball:

- The fuel pressure regulator is not designed to come off the throttle body frame with the throttle bodies still on the bike, but it can be done
- Remove the front screw with the long screwdriver
- Rotate the FPR backwards and upwards to get the fuel pipes out of the way
- Note that the long screwdriver will still not fit squarely in the rear screw but with a bit of sideways pressure to keep it located the screw will come out.

Reverse for reassembly. Be prepared to swear a lot when trying to relocate the rear-left airbox clip.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

25Back to top Go down   what am i looking at? Empty Re: what am i looking at? Sat Jul 29, 2023 1:01 pm

vividcolt

vividcolt
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Laitch wrote:
vividcolt wrote:I took a torch into each cylinder head trying to ignite most of the excess gunk and fuel, but I can't tell if the job was successful.
GAWDALMITEY You can just cut out doing that! OK? Use your oven for baking. Here are some ideas for cleaning the tank; vinegar is popular but there are many from which to choose. A torch will not be needed.Laughing
Lol I can see the concern. I just heard someone say to try it with my head a little out of the way.

    

26Back to top Go down   what am i looking at? Empty Re: what am i looking at? Sat Jul 29, 2023 1:04 pm

vividcolt

vividcolt
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Suzi Q wrote:Bike batteries don't have huge amounts of reserve, so it might just be flat. Don't give up on it just yet. The starter usually either works or it doesn't - a starter going 'weak' is probs just the battery.
Charge it up and crank the engine with the plugs out. That should clear anything out of the cylinders.

I'd check those non-FI hoses before anything else though!
What are the non-FI hoses? ... im taking notes..

    

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