BMW K bikes (Bricks)

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1Back to top Go down   k100 1984 Empty k100 1984 Fri 15 Apr 2016, 04:18

Tony goodwin

Tony goodwin
active member
active member
Iv just bought a BMW K100 4cyl  project bike. It's mechanically sound.  However it starts and only idles ... im seeking advice here . Where do i start?  . IV worked on bikes before and previously owned BMW, s. Any assistance will b fab   .Really keen to ride.


2Back to top Go down   k100 1984 Empty Re: k100 1984 Fri 15 Apr 2016, 04:32

92KK 84WW Olaf

Life time member
Life time member
Hi Tony

Welcome to the forum. Good to see you along.

You will find everyone very helpful full of good advice.

Don't be afraid to ask questions, we all had to start somewhere on these and sometimes the question you don't ask is the one that causes you trouble.

A good move to start a new thread for your K and pop in the year and number in your signature, it helps when someone is giving you some information as there are model differences and year differences.

If bike is starting AND ticking over ok you may well have an issue with the throttle cable having come awry inside the handlebar mechanism. Clearly you are getting fuel and spark so don't go chasing in there just yet. The handlebar mechanism has a chain inside it that needs an occasional lube and if incorrectly maintained you can end up throttle. If you can see the other end above the injector rail you will see where the cable ends and there is an adjustment screw/stop where it rests at idle. You should see this lift when you turn the throttle. If it doesn't, use your finger to see if it lifts and if it does lift fire up the engine and do it again. If it revs for you then check out the handlebar mechanism.

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

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