CONTENTS
Part I Introduction..................................................................................................................... 1
1-1 Components of general-purpose gasoline engine ........................................................ 1
1-2 Parameters ................................................................................................................... 2
1-3 Maintenance standards ................................................................................................ 3
Part II Dimension and Torque ................................................................................................. 12
2-1 Dimensions of general-purpose gasoline engine ....................................................... 12
2-2 Torque parameters ..................................................................................................... 16
2-3 Standard torque parameters ....................................................................................... 18
Part III Maintenance ............................................................................................................... 19
3-1 Maintenance list......................................................................................................... 19
3-2 Oil .............................................................................................................................. 20
3-3 Air filter ..................................................................................................................... 21
3-4 Cleaning of fuel filter ................................................................................................ 22
3-6 Adjustment of valve clearance................................................................................... 22
3-7 Governor.................................................................................................................... 24
Part IV Disassembly and Maintenance ................................................................................... 25
4-1 Fault judgement ......................................................................................................... 25
4-2 Pre-maintenance Preparations ................................................................................... 31
4-3 Disassembly chart...................................................................................................... 36
4-4 Gasoline engine (electric starting type is taken as an example in the following figure.
manual starting type is installed with different parts, and disassembled in a similar manner)
.......................................................................................................................................... 37
4-5 Electrical schematic diagram (electric starting type) ................................................ 73
