Yamaha WR250F 2017 Owner's Service Manual page 250

Removing the cylinder head
10 Nm (1.0 m kgf, 7.2 ft Ibf)
Order
5 Timing chain guide (intake side)
6 Oil check bolt
6
Part name Q'ty
1
1
For installation, reverse the removal proce-
dure.
6-21
CYLINDER HEAD
33 Nm (3.3 m kgf, 24 ft Ibf)
10 Nm (1.0 m kgf, 7.2 ft Ibf)
Remarks