Removing The Manifold; Installing The Manifold - Husqvarna FS 450 2015 Repair Manual

TABLE OF CONTENTS
17.4.6 Changing the crankshaft seal ring in the
clutch cover.................................................. 148
17.4.7 Removing the water pump ........................... 148
17.4.8 Installing the water pump ............................. 149
17.4.9 Removing the timing chain sprocket ............ 150
17.4.10 Installing the timing chain sprocket .............. 150
17.4.11 Changing the connecting rod, conrod
bearing, and crank pin ................................. 150
17.4.12 Checking crankshaft run-out at bearing
pin ................................................................. 152
17.4.13 Cylinder - Nikasil
17.4.14 Checking/measuring the cylinder ................. 152
17.4.15 Checking/measuring the piston ................... 153
17.4.16 Checking the piston ring end gap ................ 153
17.4.17 Measuring the piston/cylinder mounting
clearance...................................................... 154
17.4.18 Checking the oil pumps ............................... 154
17.4.19 Disassembling the autodecompressor ......... 154
17.4.20 Assembling the autodecompressor ............. 155
17.4.21 Checking camshaft ...................................... 156
17.4.22 Checking the timing assembly ..................... 156
17.4.23 Removing the rocker arm ............................. 157
17.4.24 Removing the valves .................................... 157
17.4.25 Changing camshaft bearing ......................... 158
17.4.26 Checking the valves ..................................... 158
17.4.27 Checking valve springs ................................ 159
17.4.28
Checking valve spring seat .......................... 159
17.4.29 Checking the cylinder head .......................... 159
17.4.30 Checking the rocker arm shafts ................... 160
17.4.31 Installing the valves ...................................... 160
17.4.32 Installing the rocker arm ............................... 161
17.4.33 Disassembling the antihopping clutch ......... 161
17.4.34
Preassembling the antihopping clutch ......... 162
17.4.35 Checking the clutch ..................................... 163
17.4.36 Checking the shift mechanism ..................... 164
17.4.37 Preassembling the shift shaft ....................... 165
17.4.38 Disassembling the main shaft ...................... 166
17.4.39 Disassembling the countershaft ................... 166
17.4.40
Checking the transmission ........................... 167
17.4.41 Assembling the main shaft ........................... 168
17.4.42 Assembling the countershaft ........................ 169
17.4.43 Checking the starter drive ............................ 170
17.4.44 Checking the freewheel. ............................... 170
17.4.45 Removing the freewheel. .............................. 171
17.4.46 Installing the freewheel. ................................ 171
17.5 Engine assembly ............................................... 172
17.5.1 Installing the crankshaft ............................... 172
17.5.2 Installing the transmission shafts ................. 172
17.5.3 Installing the shift forks ................................ 172
17.5.4 Installing the shift drum ................................ 173
17.5.5 Installing the shift rails .................................. 173
17.5.6 Installing the left engine case ....................... 173
17.5.7 Installing the freewheel gear ......................... 17 4
17.5.8 Installing the primary gear ............................ 17 4
17.5.9 Installing the force pump .............................. 174
17.5.10 Installing the locking lever ............................ 175
17.5.11 Installing the shift drum locating unit ........... 176
17.5.12 Installing the shift shaft ................................ 176
17.5.13 Installing the starter idler gear ...................... 176
17.5.14 Installing the torque limiter ........................... 176
® coating ............................ 152
17.5.15 Installing the outer clutch hub ...................... 176
17.5.16 Installing the clutch discs ............................. 177
17.5.17 Installing the clutch cover ............................ 178
17.5.18 Installing the water pump cover ................... 179
17.5.19 Installing the suction pump .......................... 179
17.5.20 Installing the ignition pulse generator .......... 180
17.5.21 Installing the timing chain ............................. 180
17.5.22 Installing the rotor ......................................... 180
17.5.23 Installing the piston ......................................
17.5.24 Installing the cylinder head ........................... 182
17.5.25 Installing the camshaft ................................. 183
17.5.26 Installing the timing chain tensioner .............
17.5.27 Checking the valve clearance ...................... 184
17.5.28 Adjusting the valve clearance ....................... 184
17.5.29 Installing the alternator cover ....................... 185
17.5.30 Installing the valve cover .............................. 185
17.5.31 Installing the spark plug ............................... 185
17.5.32 Installing the starter motor ...........................
17.5.33 Installing the oil filter ..................................... 186
17.5.34 Installing the clutch push rod .......................
17.5.35 Installing the oil screens ............................... 186
17.5.36 Removing the engine from the engine
assembly stand . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . 187
18 CLUTCH ........................................................................ 188
18.1 Checking/correcting the fluid level of the
hydraulic clutch ................................................. 188
18.2 Changing the hydraulic clutch fluid .................. 188
18.3 Antihopping clutch ............................................ 189
18.4 Adjusting the antihopping clutch ...................... 190
19 WATER PUMP, COOLING SYSTEM ............................. 192
19.1 Cooling system ................................................. 192
19.2 Checking the antifreeze and coolant level ........ 192
19.3 Checking the coolant level. ............................... 193
19.4 Draining the coolant .......................................... 193
19.5 Refilling coolant ................................................ 194
20 LUBRICATION SYSTEM ............................................... 195
20.1 Oil circuit ........................................................... 195
20.2 Checking the engine oil level ............................ 195
20.3 Changing the engine oil and oil filter,
cleaning the oil screens .................................... 196
20.4 Adding engine oil .............................................. 198
Checking the engine oil pressure ..................... 198
20.5
21 IGNITION SYSTEM ........................................................ 200
21.1 Ignition coil - checking the secondary
winding .............................................................. 200
21.2 Checking the spark plug connector. ................. 200
21.3 Alternator - checking stator winding ................. 200
21.4 Removing the stator .......................................... 201
21.5 Installing the stator ........................................... 201
22 ELECTRIC STARTER ..................................................... 202
22.1 Checking the starter motor ............................... 202
23 THROTTLE VALVE BODY ............................................. 203
23.1 Adjusting the idle speed ................................... 203
23.2 Executing the initialization run .......................... 203
24 TECHNICAL DATA ........................................................ 205
24.1 Engine ............................................................... 205
24.2 Tolerance, engine wear limits ........................... 205
24.3 Engine tightening torques ................................. 206
24.4 Capacities . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . 207
24.4.1 Engine oil ...................................................... 207
4
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