It's not really an oil line persay, it just entails drilling out the current oil port to a larger diameter. I'm not sure how much larger, maybe someone else can chime in with better instructions.
'03 XC SP 600
'01 Classic 600 M10
'92 Indy 650
'95 Indy XLT 600, plastic skis, skid plate, cobra windshield, XTRA 10, full Fox package, 1" riser