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Yamaha YZF-R1 2022 Manual page 86

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Tightening the Cylinder Head
tightening of 10 N•m (1.0 kgf•m).
additional tightening of 25 N•m (2.5 kgf•m).
additional tightening of 45 N•m (4.5 kgf•m).
bolt. Then, tighten at 15 N•m (1.5 kgf•m)
and tighten at rotating angle of 160°.
(Note: Do not loosen all bolts at once.
Repeat loosening and tightening operation
one by one bolt.)
TIP
The numbers 1 to 10 show the sequence
in which the bolts are tightened.
Apply engine oil to the bearing surface
and thread part of the bolt.
– 83 –

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