Having an unreliable, or even worse none functioning starter is a little depressing to say the least. They are not particularly complicated, and with the right new parts can soon be restored back to full reliable functionality.
There are a number of components you may wish to consider, once you have ascertained which parts actually need replacing - or, you could just buy this new complete starter motor?
More parts listed below related to the starter motor:
21166001
13002007
131931006
140251378
160851012
210391006
210391053
210401003
260111135
270101047
21167002
920011525
92003104
120P0816
21015005
21025011
920151367
920221108
Add as many items as you wish to the same shopping cart and still only pay the same single fixed price shipping cost. Please be aware that this component may have other applications in the Kawasaki model range.