Aprilia Consumer Service Spa
Technical Service and Training
Release 4 july 99
This material is didactic and
may be changed following the technical
development of the product
5 ENGINE TORQUE SETTINGS
ENGINE
CARTER
Description (were and what) Qnty Screw\nut Nm Kgm ref.
Ballbearing holder (flyweel side)- Flat head screw 1 M6X13 11 1,1 L243
Ballbearing holder (clutch side)- Flat head screw 1 M6X13 11 1,1 L243
Gear shaft ballbearing holder (clutch side)- Flat head screw 2 M6X13 11 1,1 L243
Waterpump intermediategear (clutch side)- circlip 1 10 L648
Crunkcase(left) to crunkcase(right)\ - Cilinder head screw 13 M6X65 11 1,1
Crunkcase(left) to crunkcase(right)\ - Cilinder head screw 1 M6X80 11 1,1
Crunkcase(left) to crunkcase(right)\ - Cilinder head screw 5 M6X45 11 1,1
Crunkcase(left) to crunkcase(right)\ - Cilinder head screw 1 M6X25 11 1,1
Crunkcase- Magnetic screw 1 M12X1,5 20 2
Crunkcase- Contact screw 1 M10 4 0,4 L574
Oil filter cover- Cilinder head screw 2 M6X20 11 1,1
Calibrated jet- Cilinder head screw 1 M6X10 6 0,6
Bushing (both sides)- Hex socket screw 2 M8X45 25 2,5
Bushing (clutch side)- Hex socket screw 2 M8X25 25 2,5
Bushing (Flywheel side)- Cilinder head screw 1 M8X20 25 2,5
Bushing (Flywheel side)- Cilinder head screw 1 M6X20 11 1,1 L243
ENGINE SHAFT, COUNTERSHAFT, GEARBOX
Description (were and what) Qnty Screw\nut Nm Kgm ref.
Index lever\ indexdisk- Cilinder head screw 2 M6X20 11 1,1 L243
Primary countershaft (clutch side)- Hex socket nut 1 M22X1,5 150 15
Engine shaft - Hex socket nut 1 M33X1,5 230 23 L243
Primary countershaft (flywheel side)- Cilinder head screw 1 M10X20 50 5 L648
OILPUMP
Description (were and what) Qnty Screw\nut Nm Kgm ref.
Oil pump-Self centering screw (on the lower side) 1 M2X1,5 L515
Oil pump body 1
Oil pump cover- Cilinder head screw 4 M6X45 11 1,1
CLUTCH
Description (were and what) Qnty Screw\nut Nm Kgm ref.
Primary Shaft- Hex socket nut 1 M24X1,5 170 17 L648
Clutch springs- Hex. Socket screw 6 M6X25 11 1,1
Clutch pin- Securing screw 1 M12X1,5 20 2
Diapragm- Cilinder head screw 8 M5X20 5 0,5
Clutch drum\Diskpusher- Hex. Screw 3 M8X16 30 3 L648
CILINDER HEAD, CILINDER
Description (were and what) Qnty Screw\nut Nm Kgm ref.
Valve cover cilinder 1- Cilinder head screw 8 M6X30 11 1,1
cilinder head 1- Pipe 2 M18X1,5 L243
cilinder head 2- Pipe 1 M18X1,5 L243
Valve cover cilinder 2- Cilinder head screw 4 M6X30 11 1,1
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