Honda CRF50F 2004-2015 Service Manual page 78

CYLINDER HEADIV ALVES
COMPONENT LOCATION
'04 and '05:
12 N'm (1.2 kgf·m, 9Ibf.ft)
After '05:
16 N'm (1.6 kgf·m, 12Ibf.ft)
7-2
8.8 N·m (0.9 kgf·m, 6.5 Ibf.ftJ