Installing The Rotor And Ignition Pulse Generator; Installing The Piston - Husqvarna FC 250 2015 Repair Manual

TABLE OF CONTENTS
17.4.8 Changing the connecting rod, conrod
bearing, and crank pin ................................. 145
17.4.9 Checking the crankshaft run-out at the
bearing pin ................................................... 146
17.4.10 Measuring the crankshaft end play .............. 147
17.4.11 Removing the drive wheel of the balancer
shaft .............................................................. 147
17.4.12 Installing the drive wheel of the balancer
shaft .............................................................. 147
17.4.13 Cylinder - Nikasil
17.4.14 Checking/measuring the cylinder ................. 148
17.4.15 Checking/measuring the piston ................... 148
17.4.16 Measuring the piston/cylinder mounting
clearance...................................................... 149
17.4.17 Checking the piston ring end gap ................ 149
17.4.18 Checking the camshafts ............................... 150
17.4.19 Checking the pivot points of the
camshafts..................................................... 150
17.4.20 Removing the valves .................................... 151
17.4.21 Checking the valves ..................................... 152
17.4.22 Checking the valve springs .......................... 152
17.4.23 Checking the valve spring seat .................... 152
17.4.24 Checking the cam levers .............................. 153
17.4.25 Checking the cylinder head .......................... 153
17.4.26 Installing the valves ...................................... 153
17.4.27 Checking the freewheel. ............................... 154
17.4.28 Removing the freewheel. .............................. 155
17.4.29 Installing the freewheel. ................................ 155
17.4.30 Checking the electric starter drive ............... 156
17.4.31 Checking the timing assembly ..................... 157
17.4.32 Preparing the timing chain tensioner for
installation .................................................... 158
17.4.33 Checking the clutch ..................................... 158
17.4.34 Checking the shift mechanism ..................... 160
17.4.35 Preassembling the shift shaft ....................... 161
17.4.36 Disassembling the main shaft ...................... 161
17.4.37 Disassembling the countershaft ................... 162
17.4.38 Checking the transmission ........................... 162
17.4.39 Assembling the main shaft ........................... 163
17.4.40 Assembling the countershaft ........................ 164
17.5 Engine assembly ............................................... 165
17.5.1 Installing the crankshaft ............................... 165
17.5.2 Installing the transmission shafts ................. 166
17.5.3 Installing the shift forks ................................ 166
17.5.4 Installing the shift drum ................................ 166
17.5.5 Installing the shift rails .................................. 167
17.5.6 Installing the left engine case ....................... 167
17.5.7 Installing the spacer ..................................... 168
17.5.8 Installing the timing chain ............................. 168
17.5.9 Installing the primary gear ............................ 168
17.5.10 Installing the force pump .............................. 169
17.5.11 Installing the suction pump .......................... 169
17.5.12 Installing the locking lever ............................ 170
17.5.13 Installing the shift drum locating unit ........... 170
17.5.14 Installing the shift shaft ................................ 171
17.5.15 Installing the clutch basket ........................... 171
17.5.16 Installing the clutch discs ............................. 172
17.5.17 Installing the clutch cover ............................ 172
17.5.18 Installing the water pump cover ................... 173
17.5.19 Installing the starter drive ............................. 17 4
coating ............................ 148
®
17.5.20 Installing the rotor and ignition pulse
generator ...................................................... 1 7 4
17.5.21 Installing the piston ...................................... 17 4
17.5.22 Installing the cylinder head ........................... 176
17.5.23 Installing the camshafts ................................ 177
17.5.24 Installing the timing chain tensioner ............. 177
17.5.25 Checking the valve clearance ...................... 178
17.5.26 Adjusting the valve clearance ....................... 178
17.5.27 Installing the starter motor ........................... 179
17.5.28 Installing the valve cover .............................. 180
17.5.29 Installing the spark plug ............................... 181
17.5.30 Installing the oil filter ..................................... 181
17.5.31 Installing the oil screen ................................. 181
17.5.32 Installing the spacer ..................................... 182
17.5.33 Installing the clutch push rod ....................... 182
17.5.34 Removing the engine from the engine
assembly stand . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . 182
18 CLUTCH ........................................................................ 183
18.1 Checking/correcting the fluid level of the
hydraulic clutch ................................................. 183
18.2 Changing the hydraulic clutch fluid .................. 183
19 WATER PUMP, COOLING SYSTEM ............................. 185
19.1 Cooling system ................................................. 185
19.2 Checking the antifreeze and coolant level ........ 185
19.3 Checking the coolant level. ............................... 186
19.4 Draining the coolant.. ........................................ 186
19.5 Refilling with coolant ......................................... 187
20 LUBRICATION SYSTEM ............................................... 188
20.1 Oil circuit ........................................................... 188
20.2
Checking the engine oil level ............................ 188
20.3 Changing the engine oil and oil filter,
cleaning the oil screen ...................................... 189
20.4
Adding engine oil .............................................. 191
20.5 Checking the engine oil pressure ..................... 191
21 IGNITION SYSTEM ........................................................ 193
21.1 Ignition coil - checking the secondary
winding .............................................................. 193
21.2 Checking the spark plug connector .................. 193
21.3 Alternator - checking the stator winding ........... 193
21.4 Removing the stator and ignition pulse
generator ........................................................... 194
21.5 Installing the stator and ignition pulse
generator ........................................................... 194
22 ELECTRIC STARTER ..................................................... 195
22.1 Checking the starter motor ............................... 195
23 THROTTLE VALVE BODY ............................................. 196
23.1 Adjusting the idle speed ................................... 196
23.2 Executing the initialization run .......................... 196
24 TECHNICAL DATA ........................................................ 198
24.1 Engine ............................................................... 198
24.2 Engine tolerance, wear limits ............................ 198
24.3 Engine tightening torques ................................. 199
24.4 Capacities . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . 200
24.4.1 Engine oil ...................................................... 200
24.4.2 Coolant......................................................... 200
24.4.3 Fuel ............................................................... 200
24.5 Chassis . . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . 201
24.6 Electrical system............................................... 201
24.7 Tires .................................................................. 201
24.8 Fork ................................................................... 202
4