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    Step 13

    Put the start motor back on the bike. Just do the reverse order of how you took it out. Finally, screw the plastic cover back on and put the battery back in. Prestoyoure done. Feel...
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    Step 12

    Put the starter motor back together. For me it was tricky to get the brushes to sit properly inside the end cap and on the copper part of the armature at the same time, so be patient. Once the end...
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    Step 11 (Pic 11)

    Clean the copper part of the armature (the commutator). The dirt thatÔÇÖs on there looked to be residue from the old brushes (they wear down over time). ItÔÇÖs difficult to clean off with...
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    Pic 10

    This is an up-close pic of the dirty commutator before cleaning.
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    Step 10

    Swap out the old parts with the new parts. The O rings are easy enough to replace. I coated them with a small amount of oil to make sure they would seal properly after I put the motor back together....
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    Step 9 (Pic 9)

    Lay out the replacement parts. Pic 9 shows the replacement parts, which IÔÇÖve identified with four arrows that roughly correspond to the four arrows on pic 8.
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    Step 8 (Pic 8)

    Pull the end caps apart to reveal the inside of the starter motor. Pic 8 shows one end cap on the right, the armature in the middle (notice the copper part, aka the commutator, is dirty) and the...
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    Step 7 (Pic 7)

    Remove the two bolts that hold the starter motor together. Pic 7 clearly marks these two bolts.
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    Step 6 (Pic 6)

    Mark the end caps on the starter motor, relative to the cylinder case between the caps. Pic 6 shows the starter motor after being removed. IÔÇÖve indicated with two red arrows the contact points...
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    Step 5 (Pic 5)

    Pull out the starter motor. This can be a little tricky, you might need something like a rubber glove that gives you a better grip on the starter motor as it took a bit of pulling for me to get it...
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    Step 4 (Pic 4)

    Remove the two mounting bolts and the nut which secures the ground wire. IÔÇÖve added three red arrows to point these out on Pic 4.
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    Step 3 (Pic 3)

    Remove the three bolts holding the plastic cover in place on the left side of the bike and pull it back to fully expose the starter motor. Pic 3 shows the three bolts on the plastic cover. The same...
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    Step 2 (Pic 2)

    Remove the battery, which will give you access to the starter motor. Pic 2 was taken after the battery was removed. Notice the two red arrows IÔÇÖve added to point out the two mounting bolts on...
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    Step 1 (Pic 1)

    Put your bike on the center stand, lift up the seat and pull out the storage compartment/fuel injector module. Pic 1 was taken after step 1 was completed. Notice the two red arrows IÔÇÖve added...
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    Starter Motor overhaul on a 1992 BMW K75S

    The articles, posts and comments in this tech section are posted by individual members and reflect their personal thoughts and experiences with repairing, maintaining, and generally working on...
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