2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 195Get this manual
TRANSMISSION
REMOVING THE TRANSMISSION 1Remove: Shift fork guide bar Shift drum assembly Shift fork (R) Shift fork (C) Shift fork (L) 2Remove: Transmission CHECKING THE SHIFT FORKS The following procedure applies to all of the shift forks1Check: Shift fork movement (along the shift fork guide bar) Rough movementReplace the shift forks and shift fork guide bar as setShift fork (R) Shift fork (C) Shift fork (L) Shift fork guide bar Shift drum assembly Shift fork cam follower