with that said I might not have to switch it out then!I have put a 03-04 motor in a 01-02 twice. both times all I did was change out the ignition trigger and they both worked out perfectly fine. On the first one I changed the cam position sensor because I was told you had to and on the second one I didn't because they looked exactly the same. They both worked perfect. I just put a built 02 1000 motor in my turbo 03 1000. Hope to fire it up soon so I will see if it worked correctly. Just changed out the ignition trigger.
All of the wiring is the same if you just put the 03 motor with different ignition trigger in 02 1000. If you change out the wiring harness you have to change out the clip ons for sure as they have different plugs. Once I saw that I quite trying to put 03-04 harness, computer, and gauges in 02 1000. The plug for the headlight/gauges is different also.