Honda1983–1986Technical specifications

Jazz 1.2: Technical specifications

Workshop data for the 1.2-litre petrol (engine code ER1/ER2). Covers engine, fluids, service and torques: the figures to check before a job or a parts order.

Common faults & fixes

Summary

Match the engine code (ER1/ER2) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Honda
Model
Jazz
Years
1983–1986
Fuel
Petrol
Engine code
ER1/ER2

Performance & efficiency

Power
41 kW (56 hp)
Engine size
1,231 cc
Cylinders
4 · OHC
Compression ratio
10.2:1
Fuel system
Keihin

Fluids & capacities

Engine oil (with the filter)
3.5 litres
All 86 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type4/OHC
Capacity (Fiscal) cc1231 (1223)
Compression ratio :110,2
Suitable for unleaded petrolYes
Minimum octane rating RON98/95
Ignition system TypeTSZ-i
Ignition system DescriptionTrans-i
Fuel system MakeKeihin
Fuel system DescriptionCarb-2V

Ignition system

Ignition coil MakeHitachi
Ignition coil supply voltage + with ballast V11,0
Primary resistance Ohm0-9,9
Secondary resistance Ohm7400-11000
Distributor (ECM) MakeHitachi
Distributor (ECM) No.TD-07F

Firing order

The firing order for the Honda Jazz 1.2 (1983–1986) is 1-3-4-2.

Firing order1-3-4-2

Valve clearances

Valve clearances for the Honda Jazz 1.2 (1983–1986) are 0,12-0,17 mm inlet and 0,17-0,22 mm exhaust, measured cold.

Valve clearance - INLET mm0,12-0,17 cold
Valve clearance - EXHAUST mm0,17-0,22 cold

Engine oil & fluids

Engine oil

The Honda Jazz 1.2 (1983–1986) takes 3.5 litres of engine oil with the filter.

A listed engine oil option is SAE 15W-40 for moderate climates, with API/ACEA classification SF.

A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

Manual gearbox

The manual gearbox has a listed capacity of 2.3 litres.

See the reference table for the complete manual gearbox entries and their conditions.

Coolant

The listed total cooling-system capacity is 5.0 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range Moderate climate
Engine oil grade SAE 15W-40
Engine oil classification API/ACEA SF
Ambient temperature range Moderate climate alternative
Engine oil grade SAE 20W-50
Engine with filter(s) litres 3.5
Other lubricants and capacities
Manual transmission oil grade SAE 10W-30, 10W-40
Manual transmission litres 2.3
Cooling system - total capacity litres 5.0

Service & electrical

Ignition timing

Basic ignition timing for the Honda Jazz 1.2 (1983–1986) is 15°±2° BTDC at 750 rpm.

Ignition timingWith vacuum
Ignition timing - basic BTDC °Engine/rpm15±2/750
Ignition timing - alternative °Engine/rpm95=11±2/700

Battery

The Honda Jazz 1.2 (1983–1986) uses a 12 V, 47 Ah battery (reserve capacity 65 minutes).

Battery V/RC(Ah)12/65 (47)

Spark plugs

The Honda Jazz 1.2 (1983–1986) uses NGK BPR5EY-11 spark plugs with a 1,1 mm electrode gap.

Spark plugs Original equipmentNGK
Spark plug TypeBPR5EY-11
Electrode gap mm1,1
Spark plugs MakeAutolite
Spark plug Type64
Electrode gap mm1,1
Spark plugs MakeBosch
Spark plug TypeWR8DCX
Electrode gap mm1,1
Spark plugs MakeChampion
Spark plug TypeRN9YCC4
Electrode gap mm1,0
Spark plugs MakeNGK
Spark plug TypeBPR5EY-11
Electrode gap mm1,1

Tuning and emissions

Ignition advanceWithout vacuum and basic timing
Ignition advance checks °Engine/rpm0-2/1000
Ignition advance checks °Engine/rpm12-14/2700
Ignition advance checks °Engine/rpm17-21/5000
Vacuum checkIgnition timing advances
Vacuum range °Engine10-12
Vacuum starts mbar73
Vacuum ends mbar246
Idle speed rpm750±50
Fast idle speed - MT/AT rpm1300-2300
Oil temperature °C60
CO level at idle speed - tailpipe Vol. % CO2,0 Max
HC level at idle speed ppm300
CO2 level at idle speed Vol. % CO216 Max
O2 level at idle speed Vol. % O20,5-2,0

Starting and charging

Starter motor MakeDenso
Starter motor TypeDFKEE
Minimum starting voltage V8,0
Maximum cranking amps A129-153
Alternator Type12V 45A
Alternator output A/V/rpm45/14/3000
Regulated voltage V13,5-14,5

Service checks and adjustments

Compression pressure bar13,0-17,0
Oil pressure bar/rpm3,4-4,2/3000
Radiator cap bar0,75-1,05
Thermostat opens °C80-84
Drive belt size - alternator mm3PKx960
Drive belt tension - alternator/PAS/AC mm13-16

Fuel system

Fuel pump delivery pressure bar0,15-0,20

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Honda Jazz 1.2 (1983–1986) are tightened in 2 stages: 30 Nm, then a final 60 Nm.

Cylinder head
Tighten30 Nm
Tighten60 Nm
Cylinder head instructions—
Other engine tightening torques
Main bearings Stage 120 Nm
Main bearings Stage 240 Nm
Big end bearings Stage 114 Nm
Big end bearings Stage 229 Nm
Flywheel/driveplate120 Nm
Crankshaft pulley/damper centre bolt115 Nm
Spark plugs18 Nm
Chassis tightening torques
Front hub185 Nm
Road wheels80 Nm

Frequently asked questions

What is the firing order of the Honda Jazz 1.2?

The firing order for the Honda Jazz 1.2 (1983–1986) is 1-3-4-2.

What spark plugs does the Honda Jazz 1.2 use?

The Honda Jazz 1.2 (1983–1986) uses NGK BPR5EY-11 spark plugs with a 1,1 mm electrode gap.

How much oil does the Honda Jazz 1.2 take?

The Honda Jazz 1.2 (1983–1986) takes 3.5 litres of engine oil with the filter. A listed engine oil option is SAE 15W-40 for moderate climates, with API/ACEA classification SF. A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

What are the valve clearances for the Honda Jazz 1.2?

Valve clearances for the Honda Jazz 1.2 (1983–1986) are 0,12-0,17 mm inlet and 0,17-0,22 mm exhaust, measured cold.

What is the cylinder head torque for the Honda Jazz 1.2?

The cylinder head bolts on the Honda Jazz 1.2 (1983–1986) are tightened in 2 stages: 30 Nm, then a final 60 Nm.

What is the ignition timing for the Honda Jazz 1.2?

Basic ignition timing for the Honda Jazz 1.2 (1983–1986) is 15°±2° BTDC at 750 rpm.

More on the Jazz