GENERAL INFORMATION
Engine Identification
Engine identification is located at (A) or (B) as shown.
1
Acronyms, Abbreviations and Meanings
MeaningAcronyms and
Abbreviations
Bottom Dead CenterBDC
Before Top Dead CenterBTDC
MagnetoMAG
Part Numberp/n
Power Take-OffPTO
Revolutions Per MinuteRPM
Top Dead CenterTDC
Top No-LoadTNL
Order of Engine Assembly and Disassembly
Section ProcedureSection
Number
Order of Disassembly
Change Oil2Drain oil
Service Spark Plug2Spark plug
Change Air Filter2Air cleaner assembly
Section ProcedureSection
Number
Order of Disassembly
Remove Control Bracket5Control panel trim
Remove Control Bracket5Governor control bracket
Remove Control Bracket5Air cleaner base
Remove Carburetor4Carburetor
Disassemble Carburetor4Disassemble carburetor
Remove Fuel Tank4Fuel tank
Remove Rewind Starter11Rewind starter
Adjust Armature Air Gap2Blower housing
Remove Muffler12Exhaust manifold
Remove Flywheel9Armature
Remove Flywheel9Flywheel
Remove Breather6Rocker cover / breather
Remove Cylinder Head7Cylinder shield
Disassemble Cylinder Head7Rocker arms
Remove Cylinder Head7Push rods
Remove Cylinder Head7Cylinder head
Disassemble Cylinder Head7Valves, springs and seals
Remove Crankshaft and
Camshaft
9Crankcase cover
Remove PTO Bearing10PTO oil seal
Remove PTO Bearing10PTO bearing
Remove Crankshaft and
Camshaft
9Camshaft and tappets
Remove Piston and
Connecting Rod
8Connecting rod and piston
Remove Crankshaft and
Camshaft
9Crankshaft
Remove MAG Bearing10MAG oil seal
Remove MAG Bearing10MAG bearing
Remove Oil Sensor6Oil sensor (if equipped)
Section ProcedureSection
Number
Order of Assembly
Install Oil Sensor6Oil sensor (if equipped)
Install MAG Bearing10MAG bearing
Install MAG Bearing10MAG oil seal
Install Crankshaft and
Camshaft
9Crankshaft
Install Piston and Connecting
Rod
8Connecting rod and piston
Install Crankshaft and
Camshaft
9Camshaft and tappets
Install PTO Bearing10PTO bearing
Install PTO Bearing10PTO oil seal
Install Crankcase Cover9Crankcase cover
Assemble Cylinder Head7Valves, springs and seals
Install Cylinder Head7Cylinder head
Install Cylinder Head7Push rods
4 BRIGGSandSTRATTON.COM
1