VOLVO PENTA AQ125 AQ145 A B WORKSHOP SERVICE REPAIR MANUAL (pdf format) MORE THAN 70 PAGES OF QUALITY ENGINE MANUAL!! Safety Precautions.............................................................................................................2 General Information ...........................................................................................................5 Repair Instructions ............................................................................................................6 Presentation .......................................................................................................................8 Repair Instructions Disassembling, Overhauling and Inspection Electrical parts, carburetor ...................................................................................................9 Heating exchanger, exhaust pipe, oil filter .................................................................. 10–11 Oil cooler, sea water pump ............................................................................................... 12 Circulation pump, belt pulley, marking the timing belt ...................................................... 13 Belt tensioner, intermediate pulley, camshaft pulley ......................................................... 14 Sealing flange, flywheel cover .......................................................................................... 15 Vibration damper, intermediate shaft ................................................................................ 16 Camshaft ........................................................................................................................... 16 Cylinder head valves .................................................................................................. 16–18 Valve seats, guides, springs, pushers ........................................................................ 19–22 Flywheel, sealing .............................................................................................................. 22 Lubricating oil pump, pistons, crankshaft .................................................................... 23–24 Cylinders, pistons, connecting rods, crankshaft .......................................................... 25–28 Fuel pump, oil cooler, lubricating oil pump ................................................................. 28–30 Heat exchanger, carburetor, flywheel cover................................................................ 31–33 Assembling Crankshaft, pistons, lubrication oil pump, flywheel ..................................................... 33–35 Oil sump, cylinder head, camshaft .............................................................................. 36–37 Intermediate shaft, seals, camshaft gear wheel .......................................................... 38–39 Intermediate gear, marking, timing belt ....................................................................... 40–42 Oil pump drive, circulation pump, valve adjustment .................................................... 42–46 Distributor, oil cooler, exhaust pipe, heat exchanger .................................................. 46–48 Lubrication oil filter, sea water pump, expansion tank ................................................ 48–49 Thermostat sea water strainer, alternator .................................................................... 49–50 Starter motor, induction pipe, carburetor ..................................................................... 50–51 Electric wiring diagram ................................................................................................... 52 Fault finding chart ........................................................................................................... 53 Special tools .............................................................................................................. 54–55 Technical data AQ125A, AQ145A ............................................................................ 56–60 Valve adjusting kit ........................................................................................................... 61 Technical data AQ125B, AQ145B ............................................................................ 62–68