Subaru 360 Sedan User manual

FOREWORD
This service manual has been prepared as reference for effective
service and maintenance of the engine for Subaru
360 Sedan,
Subaru
360 Custom, Subaru 360 Van and Subaru 360 Truck.
Please utilize this manual fully to ensure complete maintenance
work for satisfying our customers by keeping their vehicles in
the best condition.
(For information on the body, please refer to the "Service
Manual
- Body Section".)
When it is necessary to replace parts during maintenance, be
sure to use genuine Subaru parts.
1969
FUJI HEAVY INDUSTRIES LTD.

CONTENTS
CHAPTER 1: MAIN SPECIFICATIONS AND PERFORMANCE ................ 1
CHAPTER 2: MOUNTING AND DISMOUNTING ENGINE .................... 2
CHAPTER 3: ENGINE AND TRANSMISSION ............................ 3
CHAPTER 4: ENGINE ANCILLARY PARTS ............................. 4
CHAPTER 5: ELECTRICAL EQUIPMENT ............................... 5
CHAPTER 6: TIGHTENING TORQUE .................................. 6
....................................... CHAPTER 7: SPECIAL TOOL 7
SUPPLEMENT

CHAPTER 1 : MAIN SPECIFICATIONS AND
PERFORMANCE
..............................
1-1 ENGINEPERFORMANCECURVE 1-1
1-2 MAIN SPECIFICATIONS ................................... 1-2

1 - 1 ENGINE PERFORMANCE CURVE
30
1
W
8
*
lb-ft
2500 3MH1 3500 4WO 4500 5WO 5500 6WorPm
ENGINE SPEED

1 - 2 MAIN SPECIFICATIONS
ENGINE
Model
Type
EK32
Gasoline engine
Cooling system and cycle Forced air-cooled; 2-cycle
Number of cylinder and 2 cylinders, in line
arrangement
Bore x stroke 61.5
x 60 mm (2.42 x 2.36 in)
Piston displacement 356 cc
Compression ratio 6.7
Compression pressure
9.1 kg/cm2 (129.4 lb/in2)
at 300 rDm
Max. explosion pressure 25.0 kg/cm2 (355.6 lb/in2)
at 1500 rpm
Mean effective pressure 6.2 kg/cm2 (88.2 lb/in2)
at 4500 rpm
Maximum output 25
HP at 5500 rpm
Maximum torque 3.5 kg-m (25.3 lb-ft)
Minimum fuel consumption at 300
gr/hp-h at 5200 rpm
full load
Dimensions
& weight (dry)
Length x width x height 634 x
618 x 476 mm
(25.0 x 24.3 x 18.7 in)
Weight
: SEDAN: 78.3 kg (172.3 lb)
CUSTOM,TRUCK,VAN: 78.8 kg (173.4 lb)
Piston type Single action cylinder piston
Piston material High silicon aluminum alloy cast
Number of piston rings 3 (pressure rings)
Valve timing
Intake port:Opening angle 53' before top dead center
Closing angle 53' after top dead center
Exhaust port:Opening angle 68- before bottom dead center
Closing angle 68' after bottom dead center
IGNITION SYSTEM
Firing order 1-2
Ignition timing 13' before top dead center at
2000 rpm

Ignition coil type
Distributor
Type
: Sedan, Custom
Truck, Van
Firing angle advancer
Spark plug
Type
Thread size
Spark gap
FUEL SYSTEM
Carburetor
Type and number
Air flow-direction
Air cleaner type and number
Fuel tank capacity
Sedan
Custom
Truck, Van
LUBRICATION SYSTEM
Lubrication method
Oil pump type
Oil tank capacity
BATTERY
Type and number
Voltage and capacity
Specific gravity
GENERATOR
Type
Generating method
Voltage and capacity
STARTER MOTOR
Type
Voltage and output
HITACHI 51504
- 1100
NIPPON DENS0 29100-136
HITACHI D-203
Automatic centrifugal
NIPPON TOKUSHU TOGYO (NGK)
B7H
14 mm
0.7 mm (0.0276 in)
HITACHI Solex Type HAB28,
1
Side draft
Oil wet type paper filter, 1
25e, 6.6 US gal, 5.5 Imp. gal
20e, 5.3 US gal, 4.4 Imp. gal
30l, 8.0 US gal, 6.5 Imp. gal
Forced lubrication
Plunger pump
2.5e (2.6 US qt, 2.2 Imp qt)
WASA 12N24-3, 1
12 V, 26 AH
1.280 (when fully charged)
NIPPON DENS0 27000
- 116
Constant voltage
12
v, 200 W
HITACHI S108
12
V, 600 W

REGULATOR
Type NIPPON DENS0 26000
- 108
POWER TRANSMISSION
Clutch
5Pe Dry single plate type
Clutch plate(outside dia. 160
x 110 x 3.1 m
x inside dia. x thickness) (6.30 x 4.33 x 0.12 in)
Facing area 212 cm2 (32.86 in2)
Primary reduction gear
Type Helical gear
Reduction ratio 1.605
Transmission
5Pe 4-forward & 1-reverse,
synchromesh on 2nd, 3rd
6 4th(OT)
Gear ratio : 4th (OT) 0.806
3rd 1.000
2nd 1.601
1st 3.130
Reverse 4.248
Final reduction gear
Type Helical gear
Reduction ratio
: Sedan 3.667
Custom 3.667
Truck 4.188
Van 3.882
Amount of gear oil 1.6
l (3.4 US pt., 2.8 Imp. pt.)
DIFFERENTIAL
Differential case Separate type
Differential gear type Bevel gear, 2.
and number