Yamaha XT660R Service Manual page 50

Part to be tightened
Fuel tank and frame
Fuel pump and fuel tank
Rectifier/regulator and air filter case
ECU and air filter case
Horn bracket and frame
Side panels (left and right) and frame
Grab bar, rear cover and frame
Rear mud guard and frame
Tail/brake light and rear mud guard
Rear mud guard and rear fender
Rear fender and frame
Front fender and frame
Front fork protector and front cowling assembly
Front brake disc and wheel
Front wheel axle
Front wheel axle pinch bolt
Front brake caliper
Brake caliper bleed screw
Rear wheel axle nut
Chain drive adjusting locknut
Rear wheel sprocket and hub
Rear brake disc and wheel
Left side heel plate
Right side heel plate and rear brake master cylin-
der
Brake pedal position locknut
Footrest bracket and frame (right)
Rear brake hose holder and swingarm
Rear brake hose union bolt
Rear brake caliper protector (front side)
Rear brake caliper protector (rear side)
NOTE:
1. First, tighten the lower ring nut approximately 43 Nm (4.3 m · kg, 31 ft · lb) by using the torque
wrench, then loosen the ring nut completely.
2. Retighten the lower ring nut 7 Nm (0.7 m · kg, 5.1 ft · lb) by using the torque wrench.
TIGHTENING TORQUE
Thread
size
M6
M5
M6
M6
M6
M6
M8
M6
M6
M6
M6
M6
M6
M8
M16
M8
M10
M10
M16 105
M8
M10
M6
M6
M8
M8
M10
M6
M10
M6
M6
2 - 24
SPEC
Tightening torque
Nm m · kg ft · lb
10 1.0 7.2
4 0.4 2.9
7 0.7 5.1
7 0.7 5.1
10 1.0 7.2
7 0.7 5.1
23 2.3 17
7 0.7 5.1
4 0.4 2.9
7 0.7 5.1
7 0.7 5.1
7 0.7 5.1
8 0.8 5.8
23 2.3 17
59 5.9 43
18 1.8 13
40 4.0 29
14 1.4 10
10.5 75
16 1.6 11
69 6.9 50
13 1.3 9.4
10 1.0 7.2
23 2.3 17
18 1.8 13
48 4.8 35
7 0.7 5.1
30 3.0 22
7 0.7 5.1
4 0.4 2.9
Remarks
LT
LT