Honda cb 400 a or cm250 t
The chain size is 530. it was an O-ring from the factory.
chain size is 630 pitch, o-ring style chain recommended
Size 525122 links
my 750 has a 525 122 chain
The CR480 runs a 520 non O-ring chain from the factory.
120 chain link
It is a 525 x 120L O-ring chain The number 120 stands for the number of links on it (length)
It should take a 520 o-ring or a 520 none o-ring chain. Depends on what you prefer.
NO there is NOT one definitive answer. It depends on the year and engine size. It could have a chain or a belt. Check the timing cover, if its plastic its belt, if its cast metal its chain.
Timing Chain ------ Certified Honda of Everett. !
with a standard 17t front sprocket and a 42t rear sprocket the standard chain size is a 525 ( x-ring or O-ring) 124 link.