2013 crf450r dirty oil = no compression???

can dirty oil cause no compression, without causing any damage???

[@johnkuchjr.]

he had me thinking I was dumb as fuck when he said when shits cold it expands and when it hot it shrinks lol. I was like, wait, what?

[@tsjjensen8775]

Expand when they are hot and contract when cold?

[@alubaidillahghazali2359]

Hallo bro..can give me timing mark(TDC) for crf450r 2013...please

[@luchosandoval-aviles5643]

Hi, how is the clearance piston to cylinder ?

[@jadeshaw1867]

Sounds like freddie dodge lol.