Engine Tightening Torques - Yamaha YZF-R6 99 Service Manual

ENGINE TIGHTENING TORQUES

Item
Spark plugs
Cylinder head
Cylinder head
Camshaft caps
Cylinder head cover
Oil passage check bolt
Cylinder head (exhaust pipe)
Connecting rod caps
Generator rotor
Pickup rotor
Cap bolt (timing chain tensioner)
Timing chain tensioner bolt
Camshaft sprocket
Oil pump
Oil cooler
Engine oil drain bolt
Oil pump assembly driven sprocket
cover
Oil pipe
Oil filter bolt
Oil filter cartridge
Exhaust pipes
Muffler clamp
Exhaust pipe emission check bolts
Exhaust pipe bracket
Crankcase
Crankcase
Crankcase
Generator rotor cover
Drive sprocket cover
NOTE:
After tightening to 15 Nm (1.5mSkg), tighten another 90_
TIGHTENING TORQUES
Fastener Thread size
– M10
Bolt M10
Bolt M6
Bolt M6
Bolt M6
Bolt M8
Stud bolt M8
Nut M7
Bolt M12
Bolt M8
Bolt M6
Bolt M6
Bolt M7
Bolt M6
Bolt M20
– M14
Bolt M6
Bolt M6
Bolt M20
– M20
Nut M8
Bolt M8
Bolt M6
Bolt M8
Bolt M6
Bolt M6
Bolt M8
Bolt M6
Bolt M6
2-19
SPEC
Tightening
torque
Q'ty y
Nm nSkgf
4 13 1.3
10 51 5.1
2 10 1.0
20 10 1.0
6 10 1.0
1 20 2.0
8 15 1.5
See NOTE
1 65 6.5
1 35 3.5
1 10 1.0
2 12 1.2
4 24 2.4
3 12 1.2
1 63 6.3
1 43 4.3
2 10 1,0
2 15 1.5
1 80 8.0
1 17 1.7
8 20 2.0
1 20 2.0
4 10 1.0
1 20 2.0
2 14 1.4
12 12 1.2
12 24 2.4
9 12 1.2
5 10 1.0
Remarks