K11 Owners Group

Flying Duck · Posted: Sat Feb 12, 2011 11:47 am Post subject:

If the HES is failing then it will die completely so I would look elsewhere.

Make sure the spark plug leads are on firmly. If they wiggle at all then they are not properly seated. Hold the spark plug lead with pliers in one hand and smack that hand hard with the other hand to get them all of the way on.
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Darith · Joined: 08 Jul 2010 Posts: 20

Took my k1100 to a mechanic. He identified firstly the idle was wrong.
Corrected that. Only two to three cylinders running due to two faulty injectors.
Also the butterfly assembly will have to be factory reset as they were previously adjusted.
They adjusted as best they could. I got two secondhand injectors which left the engine running
more smooth but still sometimes losing power 2-3000 rpm. It fine on the motorway except
pulling out of a roundabout. So how does one reset the assembly, whom does it and what is usually
the cost ?

hfxrzw · Mad Brick Rider Joined: 30 Jan 2009 Posts: 78

Not too difficult with a bit of kit. Whereabouts are you?
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Cheers, Rene

Greetings from Florida.

BMW K100 '85

Darith · Joined: 08 Jul 2010 Posts: 20

In Dublin mate.

hfxrzw · Mad Brick Rider Joined: 30 Jan 2009 Posts: 78

OK, bit too far.

What you can do is rig a vacuum cleaner with 4 hoses to the butterfly assembly and use a mercury set/carbtune/similar to check the adjustment. Or make sure the are all opening to the same extend when almost closed with feeler gauges or a small diam drill bit. Bit agricultural, but works well.
The factory adjustment is being done with a special flow meter and I'm aware the service is being offered in Germany, but have not heard of it in the UK or Ireland.
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Cheers, Rene

Greetings from Florida.

BMW K100 '85