it will say in the hayes manual.
on the valencia which i know is similar to the endure however i dont know if is the same.
when cylinder 4 rocking adjust cylinder 1. 3 and 2. 1 and 4. 2 and 3.
and the exhaust clearance is 22thou, inlet clearance 10thou (cold)

as far as im aware the endure is a refined EFI valencia but im not 100% sure.