I noticed that on all the 97-03 GP's i've seen the oil cap says 10w-30 and on an 05 GP it says 5w-30. Just found that intersting. I go off what the temp is going to be for the next 3 months and what the owners manual says for that temp but i still found it to be intersting none the less. Is this what other members with 04+ caps have? Curiosity lol