m10 primary clutch ?? 09 vs 08

[black swan]

Is there any difference between the 09 primary and the 08 primary?

Part#'s are different, 0725-622 for the 2008--vs- 0725-212--for the 2009?

both have a 35mm taper??

 

[minet]

yes there is , it was in the 09 release pdf

 

[M1000Mod162]

what is pdf?