Subaru EA190V, Service Manual

CONTENT 

1. INTRODUCTION 

1. PARTS DESCRIPTION..............................................................................................................................................

5

1-1 Part description.................................................................................................................................................

5

1-1-1 Feature...................................................................................................................................................

6

1-1-2 Model & serial number..........................................................................................................................

6

1-2 Specification .....................................................................................................................................................

6

1-3 Service limit......................................................................................................................................................

7 

II. DIMENSION AND TORQUE..................................................................................................................................

 8

2-1 Engine dimension .............................................................................................................................................

8

2-1-1 Appearance dimension...........................................................................................................................

8

2-1-2 Installation hole position .......................................................................................................................

9

2-1-3 P.T.O dimension figure.........................................................................................................................

 9

2-2 Torque value ...................................................................................................................................................

10

2-3 Standard torque value .....................................................................................................................................1

1

2-4 Important bolt torque value ............................................................................................................................1

1

III. MAINTENANCE ...................................................................................................................................................1

2

3-1. Maintenance schedule....................................................................................................................................1

2

3-2 Change oil.......................................................................................................................................................1

3

3-3 AIR CLEANER..............................................................................................................................................1

4

3-4 Fuel parts ........................................................................................................................................................1

4

3-4-1 Strainer clean.......................................................................................................................................1

4

3-4-2 Fuel check............................................................................................................................................15

3-5 Spark Plug Service..........................................................................................................................................16

3-6 Valve clearance adjustment.......................................................................................................................

17

-

18

3-7 Governor adjusting .........................................................................................................................................19

         3-8  Setting the timing chain----------------------------------------------------------------------------------------------------------20

IV. DISASSEMBLING AND SERVICING.........................................................................................................................21

4-1 Troubleshooting......................................................................................................................................................21

4-1-1 starting difficult ...........................................................................................................................................21

4-1-2 Power lack...................................................................................................................................................2

2

4-1-3 Speed unstable.............................................................................................................................................2

3

4-1-4 Unable igniting............................................................................................................................................2

4

4-1-5 Engine overheat...........................................................................................................................................2

4

4-1-6 Abnormal sound ..........................................................................................................................................2

5

4-1-7 Exhaust gas color abnormal.........................................................................................................................2

5

4-2 Preparation of servicing..........................................................................................................................................2

6

4-2-1 Safety precautions .......................................................................................................................................2

6

4-2-2 Special tools ................................................................................................................................................2

6

4-3 Engine.....................................................................................................................................................................2

7

4-3-1 Recoil starter /housing.................................................................................................................................2

7

4-3-2 Fuel tank......................................................................................................................................................2

8

4-3-3 Ignition coil/flywheel .............................................................................................................................2

9-31

4-3-4 Muffler.........................................................................................................................................................3

2

4-3-5 Air cleaner ...................................................................................................................................................3

3

4-3-6 Carburetor...............................................................................................................................................3

4-36

4-3-7 Throttle control............................................................................................................................................3

7

4-3-8 Cylinder head/valve train .......................................................................................................................3

8-41

4-3-9 Crankcase cover/governor gear ...................................................................................................................4

2

4-3-10 Crankshaft/piston/crankcase.................................................................................................................4

3-48

4-4 Electric diagram......................................................................................................................................................4

9