BMW K bikes (Bricks)

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1Back to top Go down    Broken plug cap on Fri Jul 07, 2017 2:13 pm


active member
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Hi guys, 1988 RT fairly new to me. Wanted to check plugs, noticed cap on 1 was loose, looked inside the plug cap and a little metal collar was floating loose. After taking the second cap off and looking inside seems this collar is the part which holds the cap onto the top of the plug. Bike has been running ok, a bit rough, now I suppose I know why. Question is, is the plug cap broken as described and is the repair simply twisting off the cap from the HT lead and replacing with a new one?




2Back to top Go down    Re: Broken plug cap on Fri Jul 07, 2017 3:09 pm


Life time member
Life time member
I think the Realm/RAM guys over on your side of the pond have good sets of replacement spark plug leads.

In the US I use Magnecor leads on my bikes.

Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R

3Back to top Go down    Re: Broken plug cap on Fri Jul 07, 2017 3:20 pm


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If the 'little metal collar' has a screw thread in it - don't lose it!!! And don't lose the other three either! It screws onto the spark plug; it used to be that the manufacturers always supplied you with the cap, but not any longer. Try putting it back on the plug before writing the lead off.

'83 K100 upgraded to K100RS spec
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)

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