PIAGGIO 633929(IT), Service Station Manual, Page: 12 / 314

Tightening Torques
STEERING
Name Torque in Nm
Steering lower ring nut (central headstock) 22 ÷ 27 loosen by 90°
Steering upper ring nut (central headstock) 27 ÷ 33
Handlebar fixing screw 50 ÷ 55
Fixing screws for handlebar control assembly U-
bolts
7 ÷ 10
FRAME
Name Torque in Nm
Engine arm bolt - frame arm 33 ÷ 41
Swinging arm buffer nut 64 - 72
Engine-swinging arm bolt 55 ÷ 61
Frame-swinging arm bolt 55 ÷ 61
Centre stand bolt 31 ÷ 39
FRONT SUSPENSION
Name Torque in Nm
Shock absorber lower clamp 19 ÷ 26
Upper shock absorber clamp 19 ÷ 29
Front wheel fixing screws 19 ÷ 24
Steering arm bolt nut 20 ÷ 25
Tilt calliper fixing screws 20 ÷ 25
Front wheel shaft 74 ÷ 88
Arm coupling screws 45 ÷ 50
Screws fixing arms to side headstocks 45 ÷ 50
Screws fixing arms to central headstock 45 ÷ 50
Screws fixing the half-arm coupling flange 20 ÷ 25
Fixing screws for tilt locking disc section 20 ÷ 25
Side headstock upper ring nut 20 - 24
Side headstock lower ring nut 12 ÷ 15
Screw fixing sliding stem to shock absorber 45 ÷ 50
Clamp for sliding stem locking device 6.5 ÷ 10.5
Fixing nuts for constant-velocity universal joints 18 ÷ 20
Potentiometer to anti-tilting device clamp 8 ÷ 10
Electric motor to anti-tilting device clamp 11 ÷ 13
Clamp fixing pump bolt to anti-tilting device 11 ÷ 13
Pump to anti-tilting device clamp 11 ÷ 13
Pressure switch to distribution frame 18 ÷ 20
Sensor to tilt gripper clamp 2.5 ÷ 2.9
Pipe terminals to fifth wheel check spring 7 ÷ 11
Joint to anti-tilting device pump 20 ÷ 25
Lower fitting for shock absorber sliding locking
clamp pipes
20 ÷ 25
Upper fitting for shock absorber sliding locking
clamp pipes
20 ÷ 25
REAR SUSPENSION
Name Torque in Nm
Upper shock absorber clamp 33 ÷ 41
Shock absorber lower clamp 33 ÷ 41
Characteristics
MP3 125
CHAR - 6