probably everywhere, but if you don't find out where the leak is, you may burn up the engine or transmission, so if it stops leaking, you have a problem. FIND the leakand repair it.
how do you stop oil leaking from a 2000 sportster primary cover
engine and primary share the same oil on the 1976 sportster,due to engine oil sumps into primary.
because it's not sealed properly, or there is a hole in it!
what type of oil for a 1993 Harley Sportster 883
If it is leaking, yes, otherwise no.
you have a bad crank OIL SEAL
Bad engine seal? Bad oil filter? Leaking valve cover gasket?
how to remover oil tank 1988 sportster
Well, oil leaking onto the starter is a common cause of it going bad. Have the starter tested, if possible, then replace if bad. You'll also want to correct the oil leak, usually valve covers leaking.
Oil pump driveshaft (also referred to as distributor) o-ring is bad. Replace, and oil will stop leaking there.
Bad PCV valve.
if it is brake fluid your brake cylinder is bad if it is gear oil you have a bad axel seal