3 liters
The Kawasaki part number is 16097-0004
20w50
Sae 10w-40
Engine oil - 2.9 quarts without filter change, 3.59 quarts with filter change.
For 2002 ex500 models others will be similar it takes 352ml of oilper fork. 15wt oil is what is manufacures speck for fork oil
10w40 but it should be approved for wet clutches.
What kind of oil dose a 03 kawasaki 636 take
Use a heavier weight
0-40w.
0W-40
Only use Polaris oil or amsoil in any polaris.