Husqvarna TC 450 Workshop Manual page 392

ENGINE
Application
Camshaft cap fastening screw ......................................................................................................M6x1
Rocker arm axle plug.....................................................................................................................M14x1,5 (+LOCTITE 243)
Cylinder head cover fastening screw.............................................................................................M6x1
Cylinder head fastening nut ...........................................................................................................M8x1,25
Cylinder head and cylinder fastening nut ......................................................................................M10x1,5 (+MOLIKOTE HSC)
Oil hose fastening screw (cylinder head-transmission cover) .......................................................M10x1
Cooling pipe connection on cylinder ..............................................................................................M14x1,5 (+LOCTITE 542)
Water temperature sensor (TE-SMR) ............................................................................................M10x1,25
Plug for water temperature sensor hole (TC-TXC) ........................................................................M8x1,25
Rear screw, left cylinder side (USA excluded) ...............................................................................M5x0,8 (+LOCTITE 243)
Gear selector stopping pin.............................................................................................................M10x1,25 (+LOCTITE 601)
Oil hole plug on conrod pin ............................................................................................................M14x1 (+LOCTITE 243)
Primary drive driving gear fastening nut ........................................................................................M18x1,25 (+LOCTITE 243)
Centrifugal disc on INTAKE CAMSHAFT fastening screw ............................................................M6x1 (+LOCTITE 243)
Timing chain slider fastening screw ...............................................................................................M8x1,25
Crankcase bearings plates fastening screw ..................................................................................M6x1 (+LOCTITE 272)
Engine oil drain plug ......................................................................................................................M16x1,5
Engine oil filter plug .......................................................................................................................M14x1,5
Engine oil filter cartridge cover fastening screw ............................................................................M5x0,8 (+LOCTITE 243)
Oil filling cap ..................................................................................................................................M18x1,5
Carburetor union fastening screw (TC-TXC) .................................................................................M4x0,7 (+LOCTITE 272)
Alternator fastening nut .................................................................................................................M12x1
Stator plate fastening screw (TC-TXC)..........................................................................................M6x1 (+LOCTITE 272)
Stator plate fastening screw (TE-SMR) .........................................................................................M5x0,8 (+LOCTITE 272)
Starter lever fastening screw .........................................................................................................M6x1 (+LOCTITE 272)
Spark plug .....................................................................................................................................M10x1
Pick-up fastening screw.................................................................................................................M5x0,8 (+LOCTITE 272)
Clutch hub and disc housing fastening nut ....................................................................................M18x1
Starting gears stop plate fastening screw......................................................................................M6x1 (+LOCTITE 243)
Gearbox forks driving shaft fastening screw..................................................................................M8x1,25 (+LOCTITE 243)
Gear control click and plate fastening screw .................................................................................M6x1 (+LOCTITE 243)
Gear shift position sensor fastening screw ....................................................................................M5x0,8 (+LOCTITE 243)
Water pump rotor fastening nut .....................................................................................................M5x0,8 (+LOCTITE 243)
Water pump body fastening screw ................................................................................................M6x1(+LOCTITE 542)
Drive sprocket seal ring plate fastening screw ..............................................................................M5x0,8 (+LOCTITE 243)
Timing chain slider pin fastening screw .........................................................................................M4x0,7
Apply a little graphite grease to the spark plug thread; fit and screw the spark plug by hand then tighten to the torque of 10÷12 Nm-
(*):
7.4÷8.9 ft/lb. Loosen the spark plug then tighten it again to the torque of 10÷12 Nm- 7.4÷8.9 ft/lb.
TORQUE WRENCH SETTINGS
TIGHTENING TORQUES (+/- 5%)
X.2
12 Nm 1,2 Kgm
25 Nm 2,55 Kgm
8Nm 0,8 Kgm
15 Nm 1,5 Kgm
37 Nm+90° 3.8 Kgm+90°
15 Nm 1,5 Kgm
25 Nm 2,55 Kgm
5 Nm 0,5 Kgm
8 Nm 0,8 Kgm
5 Nm 0,5 Kgm
15 Nm 1,5 Kgm
20 Nm 2 Kgm
180 Nm 18 Kgm
8 Nm 0,8 Kgm
12 Nm 1,23 Kgm
11 Nm 1,1 Kgm
25Nm 2,55 Kgm
25Nm 2,55 Kgm
6 Nm 0,6 Kgm
3 Nm 0,3 Kgm
3 Nm 0,3 Kgm
75Nm 7,65 Kgm
8 Nm 0,8 Kgm
6 Nm 0,6 Kgm
8 Nm 0,8 Kgm
(*)
6 Nm 0,6 Kgm
75Nm 7,6 Kgm
8 Nm 0,8 Kgm
20 Nm 2 Kgm
8 Nm 0,8 Kgm
6Nm 0,6 Kgm
3,9 Nm 0,4 Kgm
8 Nm 0,8 Kgm
6Nm 0,6 Kgm
3 Nm 0,3 Kgm
Part. N. 8000 H1344 (10-2009)
8.7 ft/lb
18.4 ft/lb
5.8ft/lb
10.8 ft/lb
27.5 ft/lb+90°
10.8 ft/lb
18.4 ft/lb
3.6 ft/lb
5.8 ft/lb
3.6 ft/lb
10.8 ft/lb
14.5 ft/lb
130 ft/lb
5.8 ft/lb
8.9 ft/lb
7.9 ft/lb
18.4 ft/lb
18.4 ft/lb
4.3 ft/lb
2.1 ft/lb
2.2 ft/lb
55.3 ft/lb
5.8 ft/lb
4.3 ft/lb
5.8 ft/lb
4.3 ft/lb
55 ft/lb
5.8 ft/lb
14.5 ft/lb
5.8 ft/lb
4.3 ft/lb
2.9 ft/lb
5.8 ft/l
4.3 ft/lb
2.2 ft/lb