THERMAL UNIT AND TIMING SYSTEM
Name Torque in Nm
Spark plug 12 ÷ 14
Head fixing stud bolts: ***
Head fixing nuts 10 - 12
Exhaust / intake head fixing nuts: 10 - 12
Head lubrication control jet 5 - 7
Coolant temperature sensor 10 ÷ 12
counterweight mass fixing screw 7 - 8.5
Tensioner sliding block fixing screw: 10 - 14
Rpm timing sensor fixing screw: 3 - 4
injector fixing screw 3 ÷ 4
Rpm timing sensor fixing screw 3 ÷ 4
Valve lifter mass stop bell fixing screws: 30 - 35
inlet manifold fixing screws 11 - 13
Tappet cover fixing screws: 7 - 9
Throttle body fixing screws 11 ÷ 13
Camshaft retaining bracket fixing screws 4 - 6
Head fixing screws 10 - 12
Lambda probe on exhaust manifold 10 - 12
Muffler to bracket fixing screw 14 - 16
*** Apply a preliminary torque of 7 Nm in a crossed sequence. - Tighten by 90° in a crossed sequence. - Tighten again by 90° in
a crossed sequence.
TRANSMISSION COVER
Name Torque in Nm
Driven pulley nut 92 - 100
Drive pulley nut 160 - 175
Anti-vibration roller screw 16.7 - 19.6
M8 retainers for transmission cover 23 - 26
M6 retainer 11 ÷ 13
Anti-vibration roller retainer 17 - 19
Clutch ring nut 65 - 75
Air deflector unit screws 7 ÷ 9
Water pump cover screws 3 ÷ 4
Outside transmission cover screws 7 ÷ 9
Flywheel cover screws 11 - 13
FLYWHEEL COVER
Name Torque in Nm
Flywheel fixing nut 115 - 125
Stator retainers 8 - 10
Blow-by recovery duct fixing screws 3 - 4
Screw fixing freewheel to flywheel 13 - 15
Stator cable harness guide bracket screws 3 - 4
CRANKCASE AND CRANKSHAFT
Name Torque in Nm
Countershaft fixing nut 25 - 29
Engine oil filter 12 - 16
Engine oil drainage plug 24 ÷ 30
Engine-crankcase coupling screws 11 ÷ 13
Oil pump screws 5 - 6
Characteristics Fuoco 500 i.e.
CHAR - 8
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