Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 87Get this manual
POWR REED VALVES 5-29 REMOVINGINSTALLING THE REED VALVES5-29 INSPECTING THE REED VALVE ASSEMBLY 5-31 EXTERNAL FITTINGS 5-32 REMOVINGINSTALLING THE EXTERNAL FITTINGS 5-32 PRESSURE CONTROL VALVE AND THERMOSTAT 5-34 REMOVINGINSTALLING THE PRESSURE CONTROL VALVE AND THERMOSTAT5-34 INSPECTING THE PRESSURE CONTROL VALVE 5-36 INSPECTING THE THERMOSTATS 5-36 CYLINDER HEADS 5-37 REMOVINGINSTALLING THE CYLINDER HEADS 5-37 INSPECTING THE CYLINDER HEADS5-39 CRANKCASE 5-40 REMOVINGINSTALLING THE CRANKCASE 5-40 REMOVING THE TORSIONAL DAMPER 5-43 INSTALLING THE CRANKCASE 5-43 INSTALLING THE TORSIONAL DAMPER5-43 CYLINDER BODY ASSEMBLY 5-44 DISASSEMBLINGASSEMBLING THE CYLINDER BODY ASSEMBLY 5-44 DISASSEMBLINGASSEMBLING THE PISTON AND CONNECTING ROD ASSEMBLIES5-45 DISASSEMBLINGASSEMBLING THE CRANKSHAFT ASSEMBLY 5-46 REMOVING THE BEARING AND OIL PUMP DRIVE GEAR 5-47 INSPECTING THE CYLINDER BODY5-47 INSPECTING THE PISTONS 5-48 CALCULATING THE PISTON-TO-CYLINDER CLEARANCE 5-49 INSPECTING THE PISTON PINS AND SMALL-END BEARINGS 5-49 INSPECTING THE PISTON RINGS 5-50 INSPECTING THE OIL PUMP DRIVEN GEAR 5-51 INSPECTING THE LABYRINTH RINGS 5-51 INSPECTING THE CRANKSHAFT 5-51 INSTALLING THE OIL PUMP DRIVE GEAR 5-52 INSTALLING THE BEARING 5-53 INSTALLING THE PISTON RINGS AND PISTON5-53 INSTALLING THE CRANKSHAFT ASSEMBLY5-54 INSTALLING THE PISTON AND CONNECTING ROD ASSEMBLIES5-54