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12.1

Contents Page

Technical data................................................................................................................................ 3

Removing and installing Hall generator ...........................................................................5

Adjusting ignition timing ...........................................................................................................6

Removing and installing ignition coils ..............................................................................8

Removing and installing ignition output stage ............................................................9

Removing and installing alternator ..................................................................................10

Disassembling and assembling alternator ...................................................................11

Alternator

[only LT up to 1992 model year] .............................................................................................11

Checking exciter winding ..................................................................................................................12

Checking armature for short to earth .................................................................................................13

Checking resistance between phase outputs ....................................................................................13

Checking stator winding for short to earth .........................................................................................13

Alternator

[LT from 1992 model year on, RS] ........................................................................................14

Checking alternator ...........................................................................................................................15

Checking armature for short to earth .................................................................................................15

Removing and installing starter .........................................................................................16

Disassembling and assembling starter ...............................................................................17

Removing and installing brush holder ................................................................................................18

Renewing carbon brushes .................................................................................................................19

Checking starter .........................................................................................................................20

Checking starter relay .................................................................................................................21

Checking starter relay with ohmmeter ...............................................................................................21

Troubleshooting ..........................................................................................................................22

Troubleshooting on alternator .................................................................................................22

Troubleshooting on starter .......................................................................................................26

Troubleshooting on battery ......................................................................................................29

12 Engine electrics

BMW K 1100 LT/RS User Manual

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