i've done my 1st oil change on my 09 yz450. after starting it up and running it for a couple of minutes the engine sounds alot louder then it did before. u can really notice the ticking of the engine. is this normal after an oil change. when turning it of the engine oil was still cold. i prob should have filled up some oil in the new filter as well. So is there sumfin wrong or is it normal?