PIAGGIO B 250 - Tightening Torques; Front Suspension; Front Brake; Rear Suspension

Tightening Torques
STEERING
Name Torque in Nm
Upper steering ring nut 30 ÷ 36
Steering lower ring nut 10 ÷ 13 then loosen by 90°
Handlebar fixing screw (*) 45 ÷ 50
Fixing screws for handlebar control assembly U-bolts 7 ÷ 10
FRAME ASSEMBLY
Name Torque in Nm
Engine-swinging arm bolt 64 - 72
Chassis-swinging arm pin nut 64 - 72
Spacer locking threaded bushing 13 ÷ 17
Spacer locking threaded bushing lock nut 90 ÷ 110
Frame arm-engine arm coupling pin nut 33 ÷ 41
Bolt of the Silent block support plate 64 - 72
Centre stand bolt 25 ÷ 30
Side stand fixing bolt 35 ÷ 40
Side stand switch screw 5 ÷ 7
FRONT SUSPENSION
Name
Torque in Nm
Fixing screw for pumping elements to lower fork plate 20 ÷ 25
Front wheel axle 45 ÷ 50
Fork leg screw 6 ÷ 7
front mudguard to plate fixing screw 4.5 ÷ 7
Fixing screw for mudguard plate to fork 9 ÷ 11
FRONT BRAKE
Name
Torque in Nm
Brake fluid pump-hose fitting 16 ÷ 20
Brake fluid pipe-calliper fitting 16 ÷ 20
Calliper to fork tightening screw 20 ÷ 25
Disc tightening screw (°) 5 - 6
Oil bleed screw 12 - 16
Pad fastening pin 19.6 ÷ 24.5
REAR SUSPENSION
Name
Torque in Nm
Left lower shock absorber support bolt 20 ÷ 25
Upper shock absorber clamp 33 ÷ 41
Lower shock absorber clamp 33 ÷ 41
Rear wheel axle 104 ÷ 126
Fixing screw for wheel rim to hub 34 ÷ 38
Muffler support arm to engine screws (*) 20 ÷ 25
REAR BRAKE
Name
Torque in Nm
Brake fluid pump-hose fitting 16 ÷ 20
Brake fluid pipe-calliper fitting 16 ÷ 20
Flexible/ rigid oil pipe coupling 9 ÷ 11
Rear disc tightening bolt 11 ÷ 13
Oil bleed screw 12 - 16
Screw tightening calliper to the support 20 ÷ 25
Screw fixing rear brake calliper support to engine 20 ÷ 25
Pad fastening pin 20 ÷ 25
B 125-250 Characteristics
CHAR - 15