Husqvarna FS 450 2019 Repair Manual page 7

17.4.20 Measuring the piston/cylinder
mounting clearance ...................... 199
17.4.21 Checking the oil pumps ............... 200
17.4.22 Disassembling the
autodecompressor ....................... 200
17.4.23 Assembling the
autodecompressor ....................... 201
17.4.24
Checking camshaft ...................... 202
17.4.25 Checking the timing assembly ..... 202
1 7.4.26 Removing the rocker arm ............. 203
17.4.27 Removing the valves .................... 203
17.4.28 Changing the camshaft
bearing ......................................... 204
17.4.29
Checking the valves ..................... 205
17.4.30 Checking valve springs ................ 206
17.4.31 Checking valve spring seat .......... 206
17.4.32
Checking the cylinder head .......... 206
17.4.33 Checking the rocker arm
shafts ............................................ 207
17.4.34 Installing the valves ...................... 207
17.4.35 Installing the rocker arm ............... 208
17.4.36 Disassembling the antihopping
clutch ............................................ 209
17.4.37 Preassembling the antihopping
clutch ............................................ 211
17.4.38 Checking the clutch ..................... 214
17.4.39 Checking the shift mechanism ..... 216
17.4.40 Preassembling the shift shaft ....... 217
17.4.41 Disassembling the main shaft ...... 218
17.4.42 Disassembling the
countershaft ................................. 219
17.4.43 Checking the transmission ........... 219
17.4.44 Assembling the main shaft ........... 221
17.4.45 Assembling the countershaft ........ 222
17.4.46 Checking the starter drive ............ 223
17.4.47 Checking the freewheel. ............... 224
17.4.48 Removing the freewheel. .............. 224
17.4.49 freewheel, installing ...................... 224
17.5 Engine assembly ............................... 225
17.5.1 Installing the crankshaft ............... 225
17.5.2
Installing the transmission
shafts ............................................ 226
17.5.3 Installing the shift forks ................ 226
17.5.4 Installing the shift drum ................ 227
17.5.5 Installing the shift rails .................. 227
17.5.6 Installing the left engine case ....... 227
17.5.7 Installing the freewheel gear ......... 228
17.5.8 primary gear wheel, installing ....... 228
17.5.9 Installing the locking lever ............ 229
17.5.10 Installing the shift drum locating
unit ................................................ 229
17.5.11 Installing the shift shaft ................ 229
TABLE OF CONTENTS
17 .5.12
Installing the force pump .............. 229
17 .5.13 Installing the starter idler gear ...... 230
17.5.14 Installing the torque limiter ........... 231
17.5.15 Installing the clutch basket ........... 231
17 .5.16 Installing the clutch discs ............. 232
17 .5.17 Installing the clutch cover ............ 233
17.5.18
Installing the water pump
cover ............................................. 234
17 .5.19 Installing the gear position
sensor ........................................... 235
17 .5.20 Installing the suction pump .......... 235
17 .5.21
Installing the timing chain ............. 236
17 .5.22 Installing the rotor. ........................ 236
17 .5.23 Installing the piston ...................... 237
17.5.24 Installing the cylinder head ........... 239
17 .5.25 Installing the camshaft ................. 240
17 .5.26 Installing the timing chain
tensioner ....................................... 240
17 .5.27 Checking the valve clearance ...... 241
17 .5.28 Adjusting the valve clearance ....... 241
17.5.29 Installing the alternator cover ....... 242
17 .5.30 Installing the valve cover .............. 242
17.5.31 Installing the spark plug ............... 243
17.5.32 Installing the starter motor ........... 243
17.5.33 Installing the oil filter ..................... 243
17 .5.34 Installing the clutch push rod ....... 244
17 .5.35 Installing the oil screens ............... 244
17 .5.36 Removing the engine from the
engine assembly stand ................ 245
18 CLUTCH ........................................................ 246
18.1 Checking/correcting the fluid level
of the hydraulic clutch ...................... 246
18.2 Changing the hydraulic clutch
fluid ................................................... 247
18.3 Checking the clutch .......................... 248
19
WATER PUMP, COOLING SYSTEM ............. 256
19.1 Cooling system ................................. 256
19.2 Checking the antifreeze and
coolant level ...................................... 256
19.3 Checking the coolant level. ............... 257
19.4 Draining the coolant .......................... 258
19.5
Refilling coolant ................................ 258
19.6 Changing the coolant pipe ................ 259
20 LUBRICATION SYSTEM ............................... 264
20.1 Oil circuit ........................................... 264
20.2 Checking the engine oil level ............ 264
20.3 Changing the engine oil and oil
filter, cleaning the oil screens ........... 265
20.4 Adding engine oil .............................. 268
20.5 Checking the oil pressure ................. 269
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