Specification Desc./Quantity
Starter resistance 20 Ohm (at 24°)
Tightening Torques
LUBRICATION
Name Torque in Nm
Hub oil drainage cap 15 ÷ 17
Oil filter 4 ÷ 6
Oil pump cover screws 5 - 6
Oil pump screws 5 - 6
Pump control pulley screw 10 ÷ 14
Chain cover screws 4 ÷ 6
Oil sump screws 10 ÷ 14
Minimum oil pressure sensor 12 ÷ 14
Blow-by recovery duct fixing screws 3 - 4
HEAD AND CYLINDER
Name Torque in Nm
Ignition spark plug 12 ÷ 14
Head cover screws 11 ÷ 13
Nuts fixing head to cylinder (*) 28 ÷ 30
Head fixing screws (external) 11 ÷ 13
Starter ground screw 7 ÷ 8.5
Flywheel cover screw 1 ÷ 2
Flywheel air manifold screw 3 ÷ 4
Pressure reducer counterweight retainer 7 ÷ 8.5
Camshaft pulley screw 12 ÷ 14
Timing chain tensioner slider screw 10 ÷ 14
Starter ground support screw 11 ÷ 15
Tensioner screws 11 ÷ 13
Timing chain tensioner central screw 5 - 6
Camshaft retention plate screw 5 - 6
Nut fixing muffler to cylinder head 16 ÷ 18
Head intake manifold screw 11 ÷ 13
TRANSMISSION
Name Torque in Nm
Drive pulley nut 75 ÷ 83
Transmission cover screw 11 ÷ 13
Driven pulley shaft nut 54 ÷ 60
Rear hub cap screw 24 ÷ 27
Clutch unit nut on driven pulley 45 ÷ 50
FLYWHEEL
Name Torque in Nm
Flywheel fan screws 3 ÷ 4
Stator assembly screws (°) 3 ÷ 4
Flywheel nut 52 ÷ 58
Pick-up screw 3 ÷ 4
(°) Apply LOCTITE 243 threadlock
Fly 125 - 150 4T Characteristics
CHAR - 13
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