PIAGGIO NRG POWER PUREJET, Workshop Manual, Page: 13 / 248

Name Torque in Nm
Brake reservoir cover fixing screw 2÷4 N·m (Grimeca) - 0,8÷1,5 N·m (Brembo) -
1,5÷2 N·m (Hengtong)
Brake pump support fixing screw 7 to 10 Nm
Brake fluid pump - hose fitting 13 to 18 Nm
Brake fluid tube - calliper fitting 20 to 25 Nm
Oil bleed screw 7 to 10 Nm
ENGINE UNIT
Name Torque in Nm
Clutch bell nut 40 to 44 Nm
Clutch lock ring nut 55 ÷ 60
nut locking driving pulley on the crankshaft 40 to 44 Nm
Start-up lever screw 12 ÷ 13
Flywheel nut 40 to 44 Nm
Flywheel fan screws 3 ÷ 4
Half-crank case joint bolts 12 ÷ 13
Bolts holding exhaust pipe to the crankcase 22 ÷ 24
Screws holding the filter box to the crank case 4 ÷ 5
Head nuts 10 ÷ 11
Temperature ECU sensor 18÷22 N·m
Termistore 6÷8 N·m
Starter screws 12 ÷ 13
Ignition spark plug 25 ÷ 30
Hub oil drainage cap 3 ÷ 5
Oil hub level dipstick Manual
Rear hub cap screws 12 ÷ 13
Transmission cover screws 12 ÷ 13
Inlet manifold screws 8 ÷ 9
Flywheel hood fixing screws 1 ÷ 2
Cylinder hood fixing screws 3.5 ÷ 5
Stator clamping screws 3 ÷ 4
Pick-Up clamping screw 4 ÷ 5
Mixer clamping screws 3 ÷ 4
Screw fixing brake lever to the journal on the en-
gine
12 ÷ 13
Overhaul data
Assembly clearances
Cylinder - piston assy.
CYLINDER-PISTON FITTING
Name Initials Cylinder Piston Play on fitting
Standard fitting M 39.997-40.004 39.943-39.95 0.047-0.061
Standard fitting N 40.004-40.011 39.95-39.957 0.047-0.061
Standard fitting O 40.011-40.018 39.957-39.964 0.047-0.061
Standard fitting P 40.018-40.025 39.964-39.971 0.047-0.061
1st oversize fitting M1 40.197-40.204 40.143-40.15 0.047-0.061
1st oversize fitting N1 40.204-40.211 40.15-40.157 0.047-0.061
NRG Power Purejet
Characteristics
CHAR - 7