Yamaha 2005 BT1100 Supplementary Service Manual page 20

Tightening torques
Part to be tightened
Cylinder head
Cylinder head
Plate
Cylinder head cover
Cylinder head (exhaust pipe)
Rocker arm shaft
Camshaft sprocket cover
Tappet cover
Rocker arm shaft
(oil passage)
Stopper plate (camshaft)
Spark plug
Cylinder
Lower cylinder head cover
Upper cylinder head cover
Connecting rod
Rotor
Valve adjusting locknut
Camshaft sprocket
Timing chain tensioner
Timing chain tentioner cap
Timing chain guide
Oil pump
Oil strainer cover
Oil filter cover
Oil pump gear
Oil pump cap
Oil delivery pipe
Oil drain bolt
Air filter:
Air filter cover fastener
Carburetor cover fastener
A.I.S. system:
A.I.S. system fastener
(pump and piping)
A.I.S. system pipe fastener
to engine starter
A.I.S. pump fastener
to A.I.S. bracket
Exhaust system:
Cylinder head and exhaust pipe joint
Exhaust pipe bracket
Exhaust pipe/exhaust pipe
guard fastener (rear)
Exhaust pipe strap
Silencer fastener to passenger
board support
Exhaust pipe guard fastener
MAINTENANCE SPECIFICATIONS
Part
name
Nut
Nut
Bolt
Screw
Stud bolt
Union
bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Screw
Nut
Nut
Nut
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
(cylinder head) Union
bolt
(crankcase) Union
bolt
Screw
Screw
Screw
Screw
Screw
Nut
Screw
Screw
Screw
Screw
Screw
Thread
Q'ty
size
M12
M10
M8
M6
M8
M16
M6
M6
M16
M8
– M14
M6
M6
M6
M9
M16
M8
M10
M6
M6
M6
M6
M6
M6
M6
M6
M16
M10
– M14
M5
M5
M6
M6
M5
M8
M8
M8
M8
M10
M6
12
SPEC
Tightening
torque
N · m m · kg
8 50 5.0
2 35 3.5
2 20 2.0
4 4 0.4
4 12.5 1.25
2 37.5 3.75
4 10 1.0
8 10 1.0
4 38 3.8
4 20 2.0 Use lock
washer
2 20 2.0
2 10 1.0
6 10 1.0
8 5 0.5
4 48 4.8
1 175 17.5
4 27 2.7
2 55 5.5
4 10 1.0
2 8 0.8
4 10 1.0
3 10 1.0
3 10 1.0
5 10 1.0
1 12 1.2
1 10 1.0
2 20 2.0
1 20 2.0
1 43 4.3
2 2 0.2
4 4.5 0.45
4 10 1.0
1 10 1.0
2 8 0.8
4 20 2.0
2 25 2.5
2 20 2.0
3 18 1.8
2 47 4.7
2 7 0.7
Remarks