Yamaha WR250F 2021 - Page 225

CYLINDER HEAD
5-25
j. Put a mark on the corner of the bolt (cylin-
der head) and the cylinder head.
k. Finally, tighten all bolts (cylinder head) fur-
ther according to the tightening order.
TIP
Tighten the bolts in two steps 60 to reach the
specified angle in the proper tightening se-
quence. Total tightening angle: 60 + 60 = 120
l. Tighten the nuts to the specified torque.
Bolt [1], [2], [3], [4]
3rd
Specified angle
60
Bolt [1], [2], [3], [4]
Final
Specified angle
60
Nut [5], [6]
10 N·m (1.0 kgf·m, 7.4 lb·ft)
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