2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 311Get this manual
Crankcase Assembly 199 Head 200 Installation 199 Oiling 175 Pulse Hose Connection 173 Recirculation Passages 175 Removal 188 Crankshaft Assembly 194, 197 Bearings 190, 194 Inspection 192 Installation 197 Removal 188, 190 Seal 200 Sleeve 190, 194 Cylinder Bore Honing 191 Inspection 192 Cylinder Head Inspection 191 Installation 196 Removal 187
Emergency Stop Switch Installation 40 Key Switch 112 Operation Check 54 Stop Button 112 Test 92 Engine Lubricant 51 Exhaust Housing Assembly 214 Disassembly 213 Inspection 212 Installation 215 Removal 213 Exterior Finish Protection 62
Float Gauge 164 Flushing, Cooling System 63 Flywheel Description 81, 110 Indexing 116 Installation 127 Removal 127 Forward Gear Bearings, Replacement 247 Friction Steering Adjustment 228 Throttle Adjustment 229 Fuel Filter Cleaning and Inspection 149 Description 138 Installation 149 Location 67 Removal 149 Fuel Pump Description 139 Installation 161 PressureTest 146 Fuel System Additives 48 Anti-Siphon Valve Test 143 Components 138 Fuel Filter 50, 67 Fuel Requirements 48 Minimum Octane 48U