2006 kawasaki KX 450 F "typographers" Questions

Kawasaki 2006 KX450F Oil capacity I'm doing my first oil change on this machine after picking it up secondhand. Engine says .98litre with filter out, Manual says the same, however manual also says set

My Honda X4 idled lumpy and on inspection of carbs has different sized main jets. The two sizes of jet are 108's and 115's. What should the standard jet sizes be? 108s and 115s are the stock sizes. ...