Content .. 1 2 3 4 5 ..

Defender 90 / 110 / 130. Manual - part 4

GENERAL SPECIFICATION DATA

Connecting

rods

Type

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

Length between centres

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

Horizontally split big end, plain small end

(6.905 6.907 in)

Big end bearings

Type and material

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

Diametrical clearance

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

End-float on crankpin.

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

Steel shell, copper-lead lined
0,020

0,0635

(0.0008

0.0025 in)

0,356

(0.006

0.014 in)

Gudgeon pins

Type

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

Floating

Fit in piston

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

Clearance in connecting rod

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

Diameter

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

Push

fit by hand

0,0196

(0.0007

0.00014 in)

30,1564

30,1625

(1.18726

1.1875 in)

Pistons

Type..

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

Clearance in bore, measured at bottom of skirt at
right angles to gudgeon pin:

Aluminium alloy, with

V shape recess

crown

Standard size pistons

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

Oversize pistons

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

0,111

0,134

(0.0044 -0.0053 in)

0,111

0,157

(0.0044

0.0062 in)

Piston rings

Compression

No. 1 (top):

Type

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

Gap in bore

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

Clearance in groove..

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

Gap in bore

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

Compression

Nos.

2 and 3:

Type

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

Clearance in groove

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

Type

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

Clearance in groove

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

Oil control

No. 4:

Gap in bore

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

Valves

Length:

Inlet

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

Exhaust..

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

Inlet

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

Exhaust

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

Inlet

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

Exhaust..

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

Inlet

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

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

Inlet

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

Exhaust..

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

Inlet

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

Exhaust

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

Seat angle:

Head diameter:

Stem diameter:

Stem to guide clearance:

Valve lift:

Square friction edge, chrome plated

(0.014

0.019 in)

(0.0025

0.0045 in)

Bevelled friction edge. Marked

'T' or 'TOP' on upper side

(0.010

0.015 in)

(0.0025

0.0045 in)

Ring and spring
0,279

0,406

(0.011

0.016 in)

0,038

0,064

(0.0015

0.0025 in)

(4.377

4.587 in)

(4.598

45"
45"

(1.540

1.550 in)

(1.309

1.318 in)

7,912

7,899

(0.3114

0.3109 in)

8,682

8,694

(0.3418

0.3422 in)

0,033

0,048

(0.0013

0.0019 in)

0,058

0,073

(0.0023 0.0029 in)

(0.388 in)

(0.404 in)

ENERAL SP

IFIC

Camshaft

Location

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

End-float

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

Number of bearings

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

Material

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

Drive

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

Chain

Right-hand side (thrust side) of engine

0,2

(0.004

0.008 in)

Steel shell,

metal lined

Valve springs

Type

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

Duplex Interference double coil

Length, free

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

(1.680 in)

Length, under

(17.7 Ib) load

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

(1.587 in)

Length, under 21

(46 Ib) load

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

(1.587 in)

Inner:

Outer:

Length, free

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

(1.822 in)

Lubrication

System
System pressure, engine warm at

2000

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

Oil pump:

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

Type

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

Drive

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

Steel gear

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

End-float of

. .

Aluminium gear

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

Radial clearance

of gears

.....

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

Backlash of gears

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

Wet sump, pressure fed

kgf

(35

65 Ibf

Double gear
Splined shaft from camshaft skew gear

0.005 in)

(0.003

0.006 in)

0.004 in)

0.012 in)

Oil pressure relief valve

Relief

spring:

Type

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

Non-adj

able

Full

length ....................................................

(2.670 in)

Compressed length at

(5.7 Ib) load ...........

(2.450 in)

2.5

LITRE DIESEL ENGINE

...

ENGINE

Bore

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

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

Number

of cylinders

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

Capacity

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

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

Compression ratio.

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

Piston area (total)

........

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

Maximum power at 4000

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

Maximum torque at 1800

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

(3.562 in)
(3.819 in)

2495

(39.86

65.5

113

Crankshaft

Main bearing journal diameter..

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

63,487

63,500

(2.4995

2.5000

in)

63,246

63,2333

(2.490

2.4895 in).

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

Use 0.010 in

bearings

Crankpin journal diameter

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

58,725

58,744

(2.312

2.31275

in)

Taken on thrust washers at centre main bearing

(0.002

0.006 in)

Regrind dimensions:

Crankshaft end thrust

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

Crankshaft end-float..

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

58,48985

58,4708

(2.30275

2.30200 in)

Use

bearings

........

ENERAL SP

FICA

ION DATA

Main bearings

Number and type..

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

Diametrical clearance

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

Connecting rods

Length between centres..

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

Diametrical clearance (big-end bearings).

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

End-float

crankpin

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

Pistons

Type

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

angle to gudgeon pin)

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

Skirt diametrical clearance (at right

Gudgeon pins

Type

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

Fit in piston

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

Diameter

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

Clearance in connecting rod

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

Piston rings

Type:

Top

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

Second

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

Oil

control

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

Camshaft

Drive

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

Location

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

End-float

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

Number

of bearings..

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

Material

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

Valves

Seat angle:

Inlet

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

Exhaust

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

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

Exhaust

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

Inlet

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

Exhaust

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

Inlet

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

Exhaust

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

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

Exhaust..

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

Head diameter:

Valve lift:

Cam lift:

Stem diameter:

halved shells

0,018

0,061

(0.0007

0.0024

in)

(6.905

6.907 in)

0,025

0,075

(0.001

0.003

in)

0,356

(0.006

0.014 in)

Aluminium alloy

'V' shaped valve recess in crown

0,025

(0.001

0.002

in)

Floating
Hand

push fit

30,1564

30,1625

(1.18726

1.18750 in)

0,0196

0,0036

(0.00077

0.00014

in)

Square friction edge, chrome plated
Taper faced
Expander and rails

(0.1

in) wide dry toothed belt

Right-hand side (thrust side)

(0.004

0.008

in)

Steel shell, white metal lined

45"
45"

(1.540

1.550 in)

(1.309

1.319 in)

(0.388 in)

(0.404 in)

(0.268 in)
(0.278 in)

7,912

7,899

(0.3114

0.3109 in)

...

......

.......

GENERAL SPECIFICATION DATA

.,: -, Valve springs

Type

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

Duplex Interference double coil

Inner:

Length, free

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

(1.680

in)

Length, under

(17.7 lb) load

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

(1.587 in)

Length, free

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

in)

Length, under 21

(46 lb) load

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

(1.587

in)

Outer:

Lubrication

System

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

Type

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

Steel gear

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

Aluminium gear

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

System pressure, engine warm at

2000

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

Oil pump: Early type

Drive

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

End-float of gears:

. .

Radial clearance

of gears

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

Backlash of gears..

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

Oil pump: Latest type

....

Type

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

Drive

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

End-float of both gears..

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

Radial clearance of gears

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

Backlash of gears

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

Wet sump, pressure fed
2,5

kgf

(35

Ibf

Double gear
Splined shaft from camshaft skew gear

0.005 in)

(0.003

0.006 in)

(0.001

0.004 in)

(0.006

0.012 in)

Double gear,

10 teeth, sintered iron gears

Splined shaft from camshaft skew gear
0,026

0,135

(0.0009

0.0045 in)

0,025

0,075

(0.0008

0.0025 in)

0,2

(0.0034

0.0067 in)

Oil pressure relief valve

Type

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

Non-adjustable

Relief valve spring:

Full length

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

(2.670 in)

Compressed length at

(5.7 Ib) load

...........

(2.450 in)

GENERAL DATA

FUEL SYSTEM

2.25 Petrol

Carburetter

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

Air cleaner..

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

See 'ENGINE TUNING DATA'
Oil bath with built-in centrifugal pre-cleaner

Fuel pump

Early Models

Type

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

Mechanical with

bowl and hand primer

Pressure range

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

psi

Fuel pump

Latest Models

Make and Type

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

Facet, electric. Mounted on R.H. side of chassis

Pressure range

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

psi

FUEL SYSTEM

2.25 and 2.5 Diesel

Injection pump..

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

Fuel lift pump type

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

Mechanical, with hand primer

Pressure range

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

kgf

( 5

Ibf

See 'ENGINE TUNING DATA'

.....

Content .. 1 2 3 4 5 ..