Yamaha GYTR YZF-R1 Manual page 72

For reference
Tightening torque N•m
M5 × 0.8 4.5 – 7.0
M6 × 1.0 7.5 – 12
M8 × 1.25 18 – 28
M10 × 1.25 37 – 58
M12 × 1.25 68 – 108
M14 × 1.5 105 – 167
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