Honda CRF50F 2004-2015 Service Manual page 145

Measure the shift fork I.D.
SERVICE LIMIT: 34.14 mm (1.344 in )
Measure the sh ift fork claw thickness.
SERVICE LIMIT: 4.60 mm (0.181 in )
SHFT DRUM ASSEMBLY
.. - ---; ----T--" - .
$HIFTDRUM
CRANKSHAFT ITRANSMISSION/KICKSTARTER
~ClIP
\~-
SHIFT FORK
GUIDE PIN
11-11