Husqvarna FS 450 2019 Repair Manual page 6

TABLE OF CONTENTS
15.9
15.10
16 BRAKE SYSTEM ........................................... 144
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
16.10
16.11
16.12
16.13
17 ENGINE ......................................................... 158
17.1
17.2
17 .3
17 .3.1
17 .3.2
17 .3.3
17 .3.4
17 .3.5
17.3.6
17 .3. 7
17 .3.8
17 .3.9
17.3.10
17 .3.11
17.3.12
17.3.13
17.3.14
17.3.15
17.3.16
17 .3.17
17.3.18
17.3.19
17 .3.20
17 .3.21
4
Checking the capacitor ..................... 141
Checking the starter relay ................. 142
Checking the front brake linings ....... 144
Changing the front brake linings ....... 144
Adjusting the basic position of the
hand brake lever . . .. . . .. . .. . .. . .. . .. . .. . .. . .. . . 146
Checking the front brake fluid
level ................................................... 147
Adding front brake fluid .................... 147
Changing the front brake fluid .......... 148
Checking the brake linings of the
rear brake.......................................... 1 50
Changing the rear brake linings ........ 150
Checking the free travel of foot
brake lever . . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . . 152
Adjusting the basic position of the
foot brake lever ................................. 153
Checking the rear brake fluid level ... 153
Adding rear brake fluid ..................... 154
Changing the rear brake fluid ........... 155
Removing the engine ........................ 158
Installing the engine .......................... 164
Engine disassembly .......................... 170
Preparations ................................. 170
Draining the engine oil. ................. 171
Removing the clutch push rod ..... 171
Removing the oil filter ................... 172
Removing the starter motor ......... 172
Removing the spark plug ............. 172
Removing the valve cover ............ 173
Removing the alternator cover ..... 173
Positioning the engine at
ignition top dead center ............... 17 4
Removing the timing chain
tensioner....................................... 17 4
Removing the camshaft ............... 175
Removing the cylinder head ......... 175
Removing the piston .................... 176
Removing the rotor ....................... 176
Removing the timing chain ........... 177
Removing suction pump .............. 177
Removing the gear position
sensor ........................................... 178
Removing the water pump
cover ............................................. 178
Removing the clutch cover ........... 179
Removing the clutch discs ........... 179
Removing the clutch basket ......... 180
17.3.22
Removing the torque limiter ......... 181
17.3.23 Removing the starter idler gear .... 181
17.3.24 Removing the force pump ............ 181
17.3.25 Removing the shift shaft ............... 182
17.3.26 Removing the shift drum
locating unit.. ................................ 183
17.3.27 Removing the locking lever .......... 183
17.3.28 primary gear wheel, removing ...... 183
17.3.29 Removing the freewheel gear ....... 183
17.3.30 Removing the left engine case
section.......................................... 184
17.3.31 Removing the shift rails ................ 185
17.3.32 Removing the shift drum .............. 185
17.3.33 Removing the shift forks .............. 185
17.3.34 Removing the transmission
shafts ............................................ 185
17.3.35 Removing the crankshaft ............. 186
17.4 Working on individual parts .............. 186
17.4.1 Working on the right section of
the engine case ............................ 186
17.4.2 Working on the left section of
the engine case ............................ 188
17.4.3 oil pressure control valve,
removing ....................................... 189
17.4.4 spring length of the oil pressure
control valve, checking ................. 190
17.4.5 oil pressure control valve,
installing ....................................... 190
17.4.6 crankshaft seal ring in the
clutch cover, changing ................. 190
17.4. 7 Removing the water pump ........... 190
17.4.8 Installing the water pump ............. 191
17.4.9 Removing the timing chain
sprocket .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. 192
17.4.10 Installing the timing chain
sprocket .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. 192
17.4.11 Removing the crankshaft
bearing inner race ......................... 193
17.4.12 Installing the crankshaft bearing
inner race ...................................... 193
17.4.13 Changing the connecting rod,
conrod bearing, and crank pin ..... 194
17.4.14 Checking crankshaft run-out at
bearing pin ................................... 196
17.4.15 Measuring the crankshaft end
play ............................................... 196
17.4.16 Cylinder - Nikasil
®
17.4.17 Checking/measuring the
cylinder ......................................... 197
17.4.18 Checking/measuring the piston ... 198
17.4.19 Checking the piston ring end
gap ............................................... 199
- coating ......... 197