Rear shock parts:
MX250B, MX400B, YZ250B, YZ360B, YZ125C
01-00 ROD, PISTON[/li][/list]
YZ125X, YZ175C, YZ250C, YZ400C, IT400C
02-00 ROD, PISTON [/li][/list]
that tells there is a variaion in the part - in the 01 and then the 02 version, there is a differance, be it colour or lenght it denotes a yamaha modification of some kind [/list][/list]