BMW K bikes (Bricks)

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1Back to top Go down   New UK member Empty New UK member Thu Oct 08, 2015 4:26 am


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Bought a Mystic Red 1995 K75RT last July and have enjoyed every minute spent riding it. I hadn't been on two wheels since 1971, but it all came back to me ....eventually!
I live near Preston in Lancashire so I have easy access to the Yorkshire dales, Lake District and the Trough of Bowland, all great biking areas.
The bike is off the road at the moment, I had to be rescued a couple of weeks ago when it died in the middle of nowhere.
I spent a couple of weeks messing about with it but gave up in the end and gave it to a professional.
No resolution as yet but he's only had it for two weeks!
If I get it back before winter sets in I hope to get a few autumnal rides in, then I'm going to repair a crack in the fairing and have it re-sprayed ready for spring.


2Back to top Go down   New UK member Empty Re: New UK member Thu Oct 08, 2015 6:41 am

Born Again Eccentric

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Welcome Grahame - great to hear you are back to bikes after a sizeable break, but sorry to hear that she died on you during a ride. I guess it is always a risk...and that's why breakdown cover is a useful (essential) addition to the insurance package.

Beware the "professional". Not all bike mechanics know or understand K's, so it could prove to be unnecessarily expensive and/or take too long. Your best bet would be to put up a new post in the technical section and give as much detail of the symptoms and other factors that you experienced at the time of the breakdown as well as detailing anything that you tried once you got her home. If you include your VIN etc. in your signature block, that will help other members focus in on your specific model too.

Common bike stopping failures are Hall Effect Sensors (use the search engine - lots of posts on these stopping bikes when hot), starter motor and battery issues. There could be any other reasons too (fuel related). Your description of your symptoms will help other focus you in on the real problem and then either you can get your bike back and fix her yourself or at least point your mechanic in the right direction. You can get new Hall effect sensors from the likes of James Sherlock (about £270), but obviously you don't want to buy stuff at that price if you don't need it.

Anyway, welcome - hope it all works out OK

New UK member Uk-log10 New UK member Sco-lo15
                              Paul  New UK member 905546712

"Heidi" K100LT 1991 (Grey) (VIN 0190172 Engine No. 104EB 2590 2213) - 5th owner. January 2014 (34,000 - 61,000 miles and counting....)
"Gretel" K100LT 1989 (Silver Grey) (VIN 0177324 Engine No. 104EA 2789 2211) - 4th+ owner. September 2015 (58,500miles and counting....). Cat C Insurance write-off rebuild Feb 17
"Donor" K100LT 1990 (Red)  (VIN 0178091 Engine No. 4489 2024) - 6th & final owner (crash write-off now donor bike).   June 2012 (73,000 miles) to November 2013 (89,500 miles)

3Back to top Go down   New UK member Empty Re: New UK member Thu Oct 08, 2015 7:09 am

92KK 84WW Olaf

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I would agree with that is said before.

I also add be very careful of professionals as there is much on the K that is very easily sorted without spending much money. Most are only familiar with current model bikes which they repair with new man dealer parts at big prices and never experience older bikes and their ways. Many breakdowns on the K can be sorted very simply so don't rush into anything.

A few questions.....

When you switch on ignition do ALL warning lights come on? If not what lights don't come on?
State of battery?
Does it turn over?
Does it turn over and run at all?
Does it have ABS?

As an example I was over with a friend one day who is an ex BMW guy and knows Ks well. He had a K75 there which wouldn't run and was driving the owner mad. He asked me to look at it and fairly quickly discovered the connection to the injection control unit under the seat was loose and would kill the engine. Took it off, cleaned it and refitted it and this time tightened the screw that kept the connection together. Problem solved with no parts needed. If a replacement unit was needed its cheap from the used parts specialists. The likes of Motorworks Motobins and James Sherlock are well respected and just shop around for what you need.

I had a similar episode on the RT and it was the electrical connection to the fuel tank. Again, no parts but needed to know where to look.

Other things can be the effect of some previous neglect, fuel filter being blocked and no fuel getting through.
Start a thread for it and post it up. We like challenges too.

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

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

4Back to top Go down   New UK member Empty Thanks Thu Oct 08, 2015 7:30 am


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Thanks for your help,I've posted the problem up on the forum.

K75RT ABS Mystic Red 1995 7th owner
Engine No.753EA 0294
Chassis No. 03706294134
Mileage 24/12/18  40,399

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