Mitsubishi 4G1 series Gebrauchsanweisung

GENERAL INFORMATION 11A-0-3

...........................................

1. SPECIFICATIONS 11A-1-1

.................................................

SERVICE SPECIFICATIONS 11A-1-1

....................................

REWORK DIMENSIONS 11A-1-3

........................................

TORQUE SPECIFICATIONS 11A-1-4

.....................................

NEW TIGHTENING METHOD-BY USE OF BOLTS TO BE

TIGHTENED IN PLASTIC AREA 11A-1-6

...............................

SEALANT 11A-1-6

........................................................

FORM-IN-PLACE GASKET 11A-1-7

......................................

2. SPECIAL TOOLS 11A-2-1

.................................................

3. ALTERNATOR AND IGNITION SYSTEM 11A-3-1

........................

4. TIMING BELT 11A-4-1

......................................................

5. FUEL AND EMISSION CONTROL SYSTEM 11A-5-1

....................

6. WATER PUMP AND WATER HOSE 11A-6-1

.............................

7. INTAKE AND EXHAUST MANIFOLD 11A-7-1

............................

8. ROCKER ARMS AND CAMSHAFT 11A-8-1

..............................

9. CYLINDER HEAD AND VALVES 11A-9-1

.................................

10. OIL PUMP AND OIL PAN 11A-10-1

.......................................

11. PISTON AND CONNECTING ROD 11A-11-1

..............................

12. CRANKSHAFT, CYLINDER BLOCK 11A-12-1

...........................

11A-0-1

PWEE9520

ENov. 1995Mitsubishi Motors Corporation

ENGINE

4G1 SERIES

CONTENTS

11A-0-2

PWEE9520

ENov. 1995Mitsubishi Motors Corporation

NOTES

4G1 ENGINE (E-W) - General Information 11A-0-3

PWEE9520

ENov. 1995Mitsubishi Motors Corporation

GENERAL INFORMATION

4G1 ENGINE (E-W) - General Information

11A-0-4

PWEE9520

ENov. 1995Mitsubishi Motors Corporation

4G1 ENGINE (E-W) - General Information 11A-0-5

PWEE9520

ENov. 1995Mitsubishi Motors Corporation

Descriptions 4G13 12-VALVE - CARBURETOR 4G13 12-VALVE-MPI

Type In-line OHV, SOHC In-line OHV, SOHC

Number of cylinders 4 4

Combustion chamber Pentroof type Pentroof type

Total displacement dm31,299 1,299

Cylinder bore mm 71.0 71.0

Piston stroke mm 82.0 82.0

Compression ratio 9.5 9.5

Number of Intake 8 8

valves

Exhaust 4 4

Valve timing Intake opens BTDC 14_BTDC 19_

Intake closes ABDC 48_ABDC 43_

Exhaust opens BBDC 55_BBDC 60_

Exhaust closes ATDC 13_ATDC 8_

Lubrication system Pressure feed, full-flow filtration Pressure feed, full-flow filtration

Oil pump type Trochoid type Trochoid type

Cooling system Water-cooled, forced circulation Water-cooled, forced circulation

Water pump type Centrifugal impeller type Centrifugal impeller type

PWEE9520-A

EDec. 1998Mitsubishi Motors Corporation Revised

4G1 ENGINE (E-W) - General Information

11A-0-6

PWEE9520

ENov. 1995Mitsubishi Motors Corporation

Descriptions 4G13 16-VALVE-MPI 4G18 16-VALVE-MPI

Type In-line OHV, SOHC In-line OHV, SOHC

Number of cylinders 4 4

Combustion chamber Pentroof type Pentroof type

Total displacement dm31,299 1,584

Cylinder bore mm 71.0 76.0

Piston stroke mm 82.0 87.3

Compression ratio 10 9.5

Number of Intake 8 8

valves

Exhaust 8 8

Valve timing Intake opens BTDC 17_BTDC 17_

Intake closes ABDC 39_ABDC 39_

Exhaust opens BBDC 49_BBDC 49_

Exhaust closes ATDC 7_ATDC 7_

Lubrication system Pressure feed, full-flow filtration Pressure feed, full-flow filtration

Oil pump type Trochoid type Trochoid type

Cooling system Water-cooled, forced circulation Water-cooled, forced circulation

Water pump type Centrifugal impeller type Centrifugal impeller type

PWEE9520-A

EDec. 1998Mitsubishi Motors Corporation Revised

4G1 ENGINE (E-W) - General Information 11A-0-7

PWEE9520

ENov. 1995Mitsubishi Motors Corporation

Descriptions 4G15-CARBURETTOR 4G15-MPI

Type In-line OHV, SOHC In-line OHV, DOHC

Number of cylinders 4 4

Combustion chamber Semi spherical type Pentroof type

Total displacement dm31,468 1,468

Cylinder bore mm 75.5 75.5

Piston stroke mm 82.0 82.0

Compression ratio 9.0 9.5

Number of Intake 8 8

valve

Exhaust 4 8

Valve timing Intake opens BTDC 14_BTDC 16_

Intake closes ABDC 48_ABDC 40_

Exhaust opens BBDC 55_BBDC 45_

Exhaust closes ATDC 13_ATDC 15 _

Lubrication system Pressure feed, full-flow filtration Pressure feed, full-flow filtration

Oil pump type Trochoid type Trochoid type

Cooling system Water-cooled, forced circulation Water-cooled, forced circulation

Water pump type Centrifugal impeller type Centrifugal impeller type

PWEE9520-A

EDec. 1998Mitsubishi Motors Corporation Added

NOTES

4G1 ENGINE (E-W) - Specifications 11A-1-1

PWEE9520

ENov. 1995Mitsubishi Motors Corporation

1. SPECIFICATIONS

SERVICE SPECIFICATIONS

Item Standard Limit

Rocker arms, rocker shafts, and camshaft

Camshaft cam SOHC 12-VALVE Intake (primary) 38.78 38.28

height mm Intake (secondary) 38.78 38.28

Exhaust 39.10 38.60

SOHC 16-VALVE Intake 36.99 36.49

Exhaust 36.85 36.35

DOHC Intake 34.67 38.28

Exhaust 34.26 38.60

Camshaft journal diameter mm SOHC 45.93 - 45.94 -

DOHC 25.95- 25.97 -

Cylinder head and valves

Flatness of cylinder head gasket surface mm 0.05 or less -

Cylinder head gasket surface grinding limit (including grinding of

cylinder block gasket surface) mm

- 0.2

Cylinder head overall height mm SOHC 12-VALVE 106.9- 107.1 -

SOHC 16-VALVE 119.9- 120.1 -

DOHC 131.9- 132.1 -

Cylinder head bolt nominal length mm -103.2

Valve margin mm Intake 1.0 0.5

Exhaust 1.5 1.0

Valve stem diameter mm SOHC 12-VALVE 6.6 -

SOHC 16-VALVE 5.5 -

DOHC 5.5 -

Valve stem-to-guide SOHC 12-VALVE Intake 0.020 - 0.050 0.10

clearance mm Exhaust 0.050 - 0.085 0.15

SOHC 16-VALVE Intake 0.020 - 0.047 0.10

Exhaust 0.030 - 0.062 0.15

DOHC Intake 0.020- 0.047 0.10

Exhaust 0.030- 0.062 0.15

Valve face angle 45_- 45.5_-

Valve stem projec- SOHC 12-VALVE Intake 43.70 44.20

tion mm Exhaust 43.30 43.80

SOHC 16-VALVE Intake 53.21 53.71

Exhaust 54.10 54.60

DOHC Intake 48.80 49.30

Exhaust 48.70 49.20

PWEE9520-A

EDec. 1998Mitsubishi Motors Corporation Revised

4G1 ENGINE (E-W) - Specifications

11A-1-2

PWEE9520

ENov. 1995Mitsubishi Motors Corporation

Item LimitStandard

Overall valve length SOHC 12-VALVE Intake 100.75 100.25

mm Exhaust 101.05 105.55

SOHC 16-VALVE Intake 111.56 111.06

Exhaust 114.71 114.21

DOHC Intake 106.35 105.85

Exhaust 106.85 106.35

Valve spring free SOHC 12-VALVE Intake 46.1 45.6

height mm Exhaust 46.8 46.3

SOHC 16-VALVE 50.9 50.4

DOHC 49.1 48.6

Valve spring load/ SOHC 12-VALVE Intake 226/40.0 -

installed height N/

mm Exhaust 284/39.6 -

SOHC 16-VALVE 216/44.2 -

DOHC 177/40.0 -

Valve spring squareness 2_4_

Valve seat contact width mm 0.9- 1.3 -

Valve guide internal diameter mm SOHC 12-VALVE 6.6 -

SOHC 16-VALVE 5.5 -

DOHC 5.5 -

Valve guide projection mm SOHC 12-VALVE 17.0 -

SOHC 16-VALVE 23.0 -

DOHC 23.0 -

Oil pump and oil pan

Oil pump tip clearance mm 0.06- 0.18 -

Oil pump side clearance mm 0.04- 0.10 -

Oil pump body clearance mm 0.10- 0.18 0.35

Pistons and connecting rods

Piston outside diameter mm 4G13 71.0 -

4G15 75.5 -

4G18 76.0 -

Piston ring side clearance mm No. 1 ring 0.02- 0.06 -

No. 2 ring 0.02- 0.06 -

Piston ring end gap clearance No. 1 ring 0.20- 0.35 0.8

No. 2 ring 0.35- 0.50 0.8

Oil ring 0.20- 0.50 1.0

Piston pin O. D. mm 18.0 -

Piston pin press-in load (at room temperature) N 4,900 - 14,700 -

Crankshaft pin oil clearance mm 0.02- 0.04 0.1

Connecting rod big end side clearance mm 0.10- 0.25 0.4

PWEE9520-A

EDec. 1998Mitsubishi Motors Corporation Revised

Andere Handbücher für 4G1 series

Dieses Handbuch passt für folgende Modelle

Inhaltsverzeichnis

Andere Mitsubishi Motor Handbücher

Mitsubishi

Mitsubishi 4G6 series Bedienungsanleitung

Mitsubishi

Mitsubishi diesel engines Bedienungsanleitung

Mitsubishi

Mitsubishi F9Q2 Gebrauchsanweisung

Mitsubishi

Mitsubishi 4G6 Series 1991 Gebrauchsanweisung

Mitsubishi

Mitsubishi 4D68 Gebrauchsanweisung

Mitsubishi

Mitsubishi 6G7 Bedienungsanleitung

Mitsubishi

Mitsubishi S6R Series Bedienungsanleitung

Mitsubishi

Mitsubishi 4G1 series Konfigurationshandbuch

Mitsubishi

Mitsubishi 4G9 series Gebrauchsanweisung

Mitsubishi

Mitsubishi GB101 Bedienungsanleitung

Mitsubishi

Mitsubishi 6A1 series Bedienungsanleitung

Mitsubishi

Mitsubishi 4G93-SOHC Gebrauchsanweisung

Mitsubishi

Mitsubishi 4G9 series Gebrauchsanweisung

Mitsubishi

Mitsubishi GB100 Bedienungsanleitung

Mitsubishi

Mitsubishi 4D68 Gebrauchsanweisung

Mitsubishi

Mitsubishi S6R2 Series Handbuch

Mitsubishi

Mitsubishi S12R-Y2PTAW-1 Bedienungsanleitung

Mitsubishi

Mitsubishi S4S-DT Handbuch

Mitsubishi

Mitsubishi 4G9 series Bedienungsanleitung

Mitsubishi

Mitsubishi 4g63 Bedienungsanleitung

Mitsubishi

Mitsubishi 4G3 series Gebrauchsanweisung

Mitsubishi

Mitsubishi GB13G Bedienungsanleitung

Mitsubishi

Mitsubishi S6B Handbuch

Mitsubishi

Mitsubishi 4G1 series Bedienungsanleitung

Beliebte Motor Handbücher anderer Marken

Rotax

Rotax 125 senior MAX evo Bedienungsanleitung

Kohler

Kohler K361 Bedienungsanleitung

MTD

MTD OHV Series Bedienungsanleitung

Kohler

Kohler COMMAND CH18-745 Bedienungsanleitung

Mercury

Mercury D4.2L D-Tronic Bedienungsanleitung

Selve

Selve SE Plus-RC Series Bedienungsanleitung

Perkins

Perkins 1206E-E66TA Bedienungsanleitung

Skov

Skov DA 174 Handbuch

Rossi

Rossi TX11 Series Bedienungsanleitung

Siemens

Siemens SIMOTICS T-1FW3 Merkblatt

AL-KO

AL-KO PRO 350 Bedienungsanleitung

MTU

MTU 12 V 4000 Lx4 Bedienungsanleitung

Nanni

Nanni N3.30 Gebrauchsanweisung

Nanni

Nanni N5.160 CR2 Bedienungsanleitung

KSB

KSB SuPreme Series Montageanleitung

Hiwin

Hiwin EM1 Series Bedienungsanleitung

Rotax

Rotax 912 i series Betriebsanleitung

Siemens

Siemens SIMOTICS XP 1MB1 Bedienungsanleitung