Engine Tightening Torques - Yamaha YZF-R1 98 Service Manual

ENGINE TIGHTENING TORQUES

Item
Spark plugs
Cylinder head
Cylinder head
Cylinder head
Cam shaft caps
Cylinder head cover
Oil passage check bolt
Cylinder head (exhaust pipe)
Connecting rod caps
Generator rotor
Crankshaft sprocket
Cap bolt (tim ing chain tensioner)
Cam shaft sprocket
Water pum p inlet pipe
Water pum p outlet pipe
Oil/w ater pum p assem bly driven
sprocket
Oil pum p
Oil cooler
Engine oil drain bolt
Oil strainer housing
Oil/w ater pum p assem bly driven
sprocket cover
Oil pipe
Oil filter bolt
Oil filter cartridge
Exhaust pipes
M uffler clam p
Exhaust pipe em ission check bolts
EXUP valve pulley cover
EXUP cable holder
Exhaust pipe bracket
Crankcase (cylinder head)
Crankcase
Crankcase
Crankcase
Crankcase
Generator rotor cover
Drive sprocket cover
TIGHTENING TORQUES
Fastener Thread size Q'ty
– M 10
Nut M 10
Cap nut M 10
Bolt M 6
Bolt M 6
Bolt M 6
Bolt M 8
Stud bolt M 8
Nut M 8
Bolt M 10
Bolt M 10
Bolt M 6
Bolt M 7
Bolt M 6
Bolt M 6
Bolt M 6
Bolt M 6
Bolt M 20
– M 14
Bolt M 6
Bolt M 6
Bolt M 6
Bolt M 20
– M 20
Nut M 8
Bolt M 8
Bolt M 6
Bolt M 6
Bolt M 8
Bolt M 8
Stud bolt M 10
Bolt M 9
Bolt M 6
Bolt M 6
Bolt M 8
Bolt M 6
Bolt M 6
2 - 19
SPEC
Tightening
torque
Nm m ·kgf
4 13 1.3
8 50 5.0
2 50 5.0
2 12 1.2
28 10 1.0
6 12 1.2
1 20 2.0
8 15 1.5
8 36 3.6
1 95 9.5
1 60 6.0
1 10 1.0
4 24 2.4
1 10 1.0
1 10 1.0
1 15 1.5
1 10 1.0
1 35 3.5
1 43 4.3
2 10 1.0
1 10 1.0
1 10 1.0
1 70 7.0
1 17 1.7
8 20 2.0
3 20 2.0
4 10 1.0
3 10 1.0
2 10 1.0
1 20 2.0
10 10 1.0
10 32 3.2
2 14 1.4
18 12 1.2
4 24 2.4
9 12 1.2
5 10 1.0
Rem arks
E
E
E
E
M
E
E
LT
LT
LT
E
LT
LT
LT
E
LT
E
E
E
E
E