On the 600 Pro RMK engines, I noticed that for the most part, these two different model year engines have the same part numbers. However, the following parts have different part numbers between years:
pistons, stator and ecu
What have these changes done to the engine performance and/or longevity, if anything?
pistons, stator and ecu
What have these changes done to the engine performance and/or longevity, if anything?