Yamaha XT660R Service Manual page 47

Part to be tightened
Oil strainer
Oil pump
Oil baffle plate 2
Oil pump assembly
Engine oil drain bolt (crankcase)
Oil filter element cover
Oil filter drain bolt
Engine oil drain bolt (oil tank)
Bleed bolt (oil filter element)
Oil delivery pipe 1
Oil delivery pipe 2
Oil delivery hose 1
Oil delivery hose 2
Throttle body joint clamp screw
Air filter case joint clamp screw
Air filter case
Exhaust pipe and exhaust pipe
bracket
Exhaust pipe bracket and frame
Exhaust pipe and muffler
Exhaust pipe
Muffler
Exhaust pipe and muffler
Air cut-off valve outlet pipe
Clutch cover
Clutch cable holder
Clutch spring
Clutch boss
Shift shaft spring stopper
Torque limiter cover
A.C. magneto cover
A.C. magneto rotor
A.C. magneto lead holder
Crankcase (left side)
Crankcase (right side)
Lead holder
Bearing retainer
TIGHTENING TORQUE
Thread
Part name Q'ty
size
Bolt M6
Screw M6
Bolt M5
Screw M6
Bolt M14
Bolt M6
Bolt M6
Bolt M8
Bolt M5
Union Bolt M10
Bolt M6
Union Bolt M8
Bolt M6
Bolt M6
— M4
— M5
Bolt M6
Bolt M8
Bolt M8
Bolt M8
Nut M8
Bolt M8
Bolt M8
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Nut M20
Bolt M8
Bolt M6
Bolt M6
Nut M16
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Bolt M6
2 - 21
SPEC
Tightening torque
Nm m · kg ft · lb
3 10 1.0 7.2
3 10 1.0 7.2
2 4 0.4 2.9
1 7 0.7 5.1
1 30 3.0 22
2 10 1.0 7.2
1 10 1.0 7.2
1 18 1.8 13
1 5 0.5 3.6
2 20 2.0 14
1 10 1.0 7.2
2 18 1.8 13
1 10 1.0 7.2
2 10 1.0 7.2 Sealant
2 6 0.6 4.3
1 4 0.4 2.9
4 10 1.0 7.2
2 27 2.7 19
2 23 2.3 17
1 12 1.2 8.7
4 20 2.0 14
4 27 2.7 19
2 20 2.0 14
2 10 1.0 7.2
7 10 1.0 7.2
2 10 1.0 7.2
5 9 0.9 6.5
1 90 9.0 65
1 22 2.2 16
4 10 1.0 7.2
8 10 1.0 7.2
1 80 8.0 58
1 10 1.0 7.2
6 10 1.0 7.2
8 10 1.0 7.2
2 10 1.0 7.2
3 10 1.0 7.2
Remarks
LT
LT
LT
LT
E
E
LT
E
LT
LT