Tecumseh V-twin - Page 5

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INTERNAL ENGINE AND DISASSEMBLY
General Information.................................................................................................7-1
Lubrication Systems ................................................................................................7-1
Disassembly Procedure...........................................................................................7-1
Disassembly of Cylinder Heads...............................................................................7-4
Valves ..............................................................................................................7-5
Valve Guides ...................................................................................................7-5
Valve Springs...................................................................................................7-6
Push Rods .......................................................................................................7-6
Valve Seats......................................................................................................7-6
Internal Engine Component Inspection
Cylinders..........................................................................................................7-7
Pistons.............................................................................................................7-8
Rings ...............................................................................................................7-9
Connecting Rods ...........................................................................................7-10
Crankshafts and Camshafts ..........................................................................7-11
Mechanical Compression Release ................................................................7-12
Valve Lifters ...................................................................................................7-13
Crankcase Breather.......................................................................................7-13
Cylinder Cover...............................................................................................7-13
ENGINE ASSEMBLY
Engine Assembly.....................................................................................................8-1
TROUBLESHOOTING AND TESTING
Engine Knocks.........................................................................................................9-1
Engine Overheats....................................................................................................9-1
Surges or Runs Unevenly........................................................................................9-1
Engine Misfires ........................................................................................................9-1
Engine Vibrates Excessively....................................................................................9-2
Breather Passing Oil................................................................................................9-2
Excessive Oil Consumption.....................................................................................9-2
Lack Power..............................................................................................................9-2
ENGINE SPECIFICATIONS
TVT691 Engine Specifications...............................................................................10-1
Torque Specifications ............................................................................................10-3
Service Tool List ....................................................................................................10-4
TABLE OF CONTENTS (continued)
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