Do you want to service & repair your Tecumseh 2-cycle engines yourself? We can help you with the official certified Service & Repair manual; just push the button INSTANT DOWNLOAD on the left side, download the file and you can start right away. This manual covers the following model(s): OHH50 65 OHHSK50 130 OHV11 - OHV17 OVM120 OVRM40-675 OVRM120 OVXL/C120 OVXL120 OVXL125. We only sell original manuals; the quality of the files is exceptionally good. When you print the file, the pictures are of good quality and very bright. WE DO NOT SELL ANY COPIED MANUALS, ONLY THE ORIGINAL!!!! In this manual you have the following chapters: CHAPTER 1 GENERAL INFORMATION ENGINE IDENTIFICATION INTERPRETATION OF MODEL NUMBER SHORT BLOCKS FUELS ENGINE OIL CAPACITIES OIL CHANGE INTERVALS OIL CHECK OIL CHANGE PROCEDURE TUNE-UP PROCEDURE STORAGE DRAINING THE FUEL SYSTEM OIL CYLINDER BORE CHAPTER 2 AIR CLEANERS GENERAL INFORMATION OPERATION COMPONENTS TROUBLESHOOTING OR TESTING SERVICE DISASSEMBLY PROCEDURE POLYURETHANE-TYPE FILTER ELEMENT OR PRE-CLEANER PAPER -TYPE FILTER ELEMENT FLOCKED SCREEN CHAPTER 3 CARBURETORS AND FUEL SYSTEMS GENERAL INFORMATION OPERATION FUEL PRIMERS IMPULSE FUEL PUMPS FLOAT STYLE CARBURETORS CARBURETOR VISUAL IDENTIFICATION SERIES I CARBURETORS SERIES III & SERIES IV CARBURETORS SERIES VI CARBURETORS SERIES VII SERIES VIII SERIES IX WALBRO MODEL LMK TESTING SERVICE CARBURETOR PRE-SETS AND ADJUSTMENTS PRE-SETS AND ADJUSTMENTS (TECUMSEH AND WALBRO CARBURETORS) FINAL ADJUSTMENTS TECUMSEH CARBURETORS WALBRO CARBURETOR CARBURETOR DISASSEMBLY PROCEDURE IMPULSE FUEL PUMP FLOAT ADJUSTING PROCEDURE INSPECTION THROTTLE AND CHOKE IDLE AND HIGH SPEED MIXTURE ADJUSTING SCREW FUEL BOWL RETAINING NUT FUEL BOWL, FLOAT, NEEDLE AND SEAT ASSEMBLY PROCEDURE WELCH PLUGS THROTTLE SHAFT AND PLATE CHOKE SHAFT AND PLATE FUEL INLET FITTING HIGH AND LOW SPEED ADJUSTING SCREW, MAIN NOZZLE INLET NEEDLE AND SEAT FLOAT INSTALLATION FUEL BOWL AND BOWL NUT IMPULSE FUEL PUMP PRIMER BULB FINAL CHECKS CHAPTER 4 GOVERNORS AND LINKAGE GENERAL INFORMATION OPERATION TROUBLESHOOTING ENGINE OVERSPEEDING ENGINE SURGING SERVICE GOVERNOR ADJUSTMENT GOVERNOR GEAR AND SHAFT SERVICE GOVERNOR GEAR OR SHAFT REPLACEMENT, UPSET STYLE GOVERNOR SHAFT GOVERNOR SHAFT REPLACEMENT, RETAINING RING STYLE SPEED CONTROLS AND LINKAGE CONVERSION TO REMOTE CONTROL OVM, OVXL, OHV VERTICAL SPEED CONTROL OHV 11-17 HORIZONTAL SPEED CONTROL CHAPTER 5 RECOIL STARTERS GENERAL INFORMATION OPERATION COMPONENTS SERVICE ROPE SERVICE ROPE RETAINER REPLACEMENT STYLIZED REWIND STARTER (OHH, OVRM, OHM, OHSK, OVM, OVXL, OHV 11-13), AND STAMPED STEEL STARTER DISASSEMBLY PROCEDURE ASSEMBLY PROCEDURE STYLIZED REWIND STARTER WITH PLASTIC RETAINER DISASSEMBLY PROCEDURE ASSEMBLY KEEPER SPRING STYLE STARTERS DISASSEMBLY PROCEDURE ASSEMBLY PROCEDURE STYLIZED STARTER (OHV 13 ASSEMBLY CHAPTER 6 ELECTRICAL SYSTEMS GENERAL INFORMATION OPERATION STARTING CIRCUIT AND ELECTRIC STARTERS CHARGING CIRCUIT CONVERTING ALTERNATING CURRENT TO DIRECT CURRENT HALF WAVE RECTIFIER SINGLE DIODE FULL WAVE RECTIFIER BRIDGE RECTIFIER COMPONENTS BATTERY WIRING ELECTRICAL TERMS BASIC CHECKS TROUBLESHOOTING ELECTRICAL STARTER CIRCUIT FLOW CHART TROUBLESHOOTING ELECTRICAL CHARGING CIRCUIT FLOW CHART TESTING PROCEDURE STARTING CIRCUIT CHARGING CIRCUIT 350 MILLIAMP CHARGING SYSTEM 18 WATT A 35 WATT A 2 3 AMP DC ALTERNATOR SYSTEM - DIODE IN HARNESS SLEEVE 5 AMP D REGULATOR-RECTIFIER UNDER BLOWER HOUSING 3 AMP D MODELS OVM/OVXL/OHV12 MODELS OHV 13 MODELS OVM/OVXL/OHV12 (RED BETWEEN ENGINE AND DIODE) MODELS OHV 13 (RED BETWEEN ENGINE AND DIODE) 7 AMP D REGULATOR-RECTIFIER UNDER ENGINE HOUSING 10 AMP A 16 AMP ALTERNATOR SYSTEM WITH EXTERNAL REGULATOR VOLTAGE REGULATORS FUEL SHUT-DOWN SOLENOIDS LOW OIL SHUTDOWN SWITCHES LOW OIL PRESSURE SENSOR LOW OIL SENSOR ELECTRIC STARTER SERVICE 12 VOLT OR 120 VOLT ELECTRIC STARTERS INSPECTION AND REPAIR BRUSH CARD REPLACEMENT CHAPTER 7 FLYWHEEL BRAKE SYSTEMS GENERAL INFORMATION OPERATION COMPONENTS SERVICE BRAKE BRACKET ASSEMBLY IGNITION GROUNDOUT TERMINAL STARTER INTERLOCK SWITCH CONTROL CABLE BRAKE BRACKET REPLACEMENT CHAPTER 8 IGNITION GENERAL INFORMATION OPERATION SOLID STATE IGNITION SYSTEM (CDI) COMPONENTS TESTING PROCEDURE FOUR CYCLE IGNITION TROUBLESHOOTING SERVICE SPARK PLUG SERVICE CONDITIONS CAUSING FREQUENT SPARK PLUG FOULING IGNITION TIMING CHECK SERVICE TIPS CHAPTER 9 INTERNAL ENGINE AND CYLINDER GENERAL INFORMATION OPERATION 4-CYCLE ENGINE THEORY LUBRICATION SYSTEMS COUNTERBALANCE SYSTEMS COMPONENTS ENGINE OPERATION PROBLEMS ENGINE OPERATION PROBLEMS TESTING ENGINE KNOCKS ENGINE OVERHEATS SURGES OR RUNS UNEVENLY ENGINE MISFIRES ENGINE VIBRATES EXCESSIVELY BREATHER PASSING OIL EXCESSIVE OIL CONSUMPTION LACKS POWER SERVICE DISASSEMBLY PROCEDURE CYLINDERS CYLINDER HEAD AND VALVE TRAIN SERVICE VALVES, SPRINGS, AND PUSH RODS PISTONS, RINGS, AND CONNECTING RODS PISTON PISTON RINGS PISTON RING ORIENTATION CONNECTING RODS CRANKSHAFTS AND CAMSHAFTS CAMSHAFTS VALVE SEATS VALVE LIFTERS VALVE GUIDES VALVE GUIDE REMOVAL (OVM, OHM, OHSK110 & 120, OVXL ONLY) VALVE GUIDE INSTALLATION (OVM, OHM, OHSK110 & 120, OVXL ONLY) CRANKCASE BREATHERS TOP MOUNTED BREATHER SIDE MOUNTED BREATHER CYLINDER COVER, OIL SEAL, AND BEARING SERVICE CYLINDER COVER OIL SEAL SERVICE CRANKSHAFT BEARING SERVICE BALL BEARING SERVICE SERVICE BUSHING BUSHING SIZE CHART ENGINE ASSEMBLY CHAPTER 10 ENGINE SPECIFICATIONS AND SEARS CRAFTSMAN CROSS-REFERENCE OVERHEAD VALVE SEARS CRAFTSMAN CROSS REFERENCE ENGINE SPECIFICATIONS OVERHEAD VALVE TORQUE SPECIFICATIONS OVERHEAD VALVE TORQUE SPECIFICATIONS CHAPTER 11 EDUCATIONAL MATERIALS AND TOOLS Language: english Format: PDF Pages: 94 If you have a request, dont hesitate to ask us