Toyota2020–2026Technical specifications

Yaris 1.0 VVTi: Technical specifications

Workshop data for the 1-litre petrol (engine code 1KR-FE). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Common faults & fixes

Summary

Match the engine code (1KR-FE) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Toyota
Model: Yaris
Years: 2020–2026
Fuel: Petrol
Engine code: 1KR-FE

Performance & efficiency

Power: 53 kW (72 hp)
Engine size: 998 cc
Cylinders: 3 · DOHC
Compression ratio: 11.8:1
Fuel system: Toyota

Fluids & capacities

Engine oil (with the filter): 2.8 litres

All 112 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	3/DOHC
Capacity (Fiscal) cc	998
Compression ratio :1	11,8
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Make	Toyota
Ignition system Description	Map-DI
Trigger location	Cam/Crankshaft
Fuel system Make	Toyota
Fuel system Description	MFI-s
Air metering Type	MAP
Combined ignition and fuel ECM	Yes
Diagnostic socket	Yes

Ignition system

Ignition coil Make	Toyota
Ignition coil Type	9091902281
Ignition coil supply voltage + with ballast V	12,0

Firing order

The firing order for the Toyota Yaris 1.0 VVTi (2020–2026) is 1-2-3.

Firing order	1-2-3

Valve clearances

Valve clearances for the Toyota Yaris 1.0 VVTi (2020–2026) are 0,15-0,23 mm inlet and 0,28-0,36 mm exhaust, measured cold.

Valve clearance - INLET mm	0,15-0,23 cold
Valve clearance - EXHAUST mm	0,28-0,36 cold

Engine oil & fluids

Engine oil

The Toyota Yaris 1.0 VVTi (2020–2026) takes 2.8 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

The manual gearbox has a listed capacity of 1.7 litres. The specified oil is SAE 75W, with classification GL-4.

Coolant

See the reference table for the complete coolant entries and their conditions.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Preferred engine oil
Ambient temperature range	All temperatures
Engine oil grade SAE	0W-16
Engine oil classification API/ACEA	SN PLUS
Engine oil options
Ambient temperature range	All temperatures
Engine oil grade SAE	0W-20
Engine oil classification API/ACEA	SN PLUS
Ambient temperature range	All temperatures
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	SN PLUS
Engine with filter(s) litres	2.8
Other lubricants and capacities
Manual transmission oil grade SAE	75W
Manual transmission oil classification	GL-4
Manual transmission litres	1.7
Coolant Type	Toyota SLLC
Coolant Colour	Pink
Cooling system - total capacity litres	LHD=4,92 RHD=4,94
Brake fluid Type	DOT 3/4
Clutch fluid Type	DOT 3/4

Brakes & wear limits

Brake disc thickness

Brake discs on the Toyota Yaris 1.0 VVTi (2020–2026) are replaced at a minimum thickness of 19 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 201 mm.

Minimum disc thickness for replacement - ventilated Front	19 mm
Maximum drum diameter for replacement Rear	201 mm

Brake disc and drum dimensions

Disc runout Front	0,05 mm
Minimum pad thickness Front	1 mm
Minimum shoe thickness Rear	1 mm
Parking brake travel No. of notches	5-8

Service & electrical

Battery

The Toyota Yaris 1.0 VVTi (2020–2026) uses a 12 V, 45 Ah battery.

Battery V/RC(Ah)	12 (45)

Spark plugs

The Toyota Yaris 1.0 VVTi (2020–2026) uses Bosch 0 242 129 535 spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	Denso
Spark plug Type	FC16HR-Q8
Electrode gap mm	0,7-0,8
Spark plugs Make	Bosch
Spark plug Type	0 242 129 535
Electrode gap mm	0,8
Spark plugs Make	Champion
Spark plug Type	REA10WYPB
Electrode gap mm	0,7
Spark plugs Make	NGK
Spark plug Type	DILKAR6T8
Electrode gap mm	0,8

Tuning and emissions

Ignition timing - basic BTDC °Engine/rpm	10±2/840 Not adjustable
Ignition advance checks °Engine/rpm	ECM Controlled
Idle speed rpm	840±50 Not adjustable
Oil temperature °C	80
CO level at idle speed - tailpipe Vol. % CO	0,2 Max Not adjustable

Service checks and adjustments

Oil pressure
Compression pressure bar	11,6-15,5
Oil pressure bar/rpm	—
Radiator cap bar	0,79-1,23
Thermostat opens °C	78-82

Fuel system

System pressure bar	3,0-3,4
Engine coolant temperature (ECT) sensor Ohm/°C	310-326/80
Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm	1630-3225
Injector Ohm	11,6-12,4
Lambda sensor (Oxygen) heater Ohm	2,7-3,3
Throttle motor Ohm	0,3-100

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota Yaris 1.0 VVTi (2020–2026) are tightened in 3 stages: 32 Nm, then 90°, then a final 90°.

Cylinder head
Maximum bolt length	123,5 mm
Tighten	32 Nm
Tighten	90°
Tighten	90°

Other engine tightening torques
Cylinder head instructions	—
View more information	—
Main bearings Renew bolts/nuts	—
View more information	—
Main bearings
Main bearings Stage 1	59 Nm
Big end bearings Renew bolts/nuts	—
View more information	—
Big end bearings
Big end bearings Stage 1	15 Nm
Big end bearings Stage 2	90°
Sump bolts	—
View more information	—
Sump bolts
Sump drain bolt	30 Nm
Flywheel/driveplate	78 Nm/-
Flywheel/driveplate
Clutch pressure plate	19 Nm
Crankshaft pulley/damper centre bolt	170 Nm
Camshaft sprocket/gear	54 Nm
Camshaft carrier/cap	13 Nm
Camshaft carrier/cap
Camshaft/rocker cover	8 Nm
View more information	—
Assemble components within 3 minutes and tighten bolts within 10 minutes.
Inlet manifold to cylinder head	24 Nm
Exhaust manifold to cylinder head	25 Nm
Exhaust downpipe to manifold	43 Nm
Water pump	28 Nm
Spark plugs	20 Nm
Fuel rail	27 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	8 Nm
Camshaft position (CMP) sensor	8 Nm
Engine coolant temperature (ECT) sensor	20 Nm
Lambda sensor (Oxygen)	44 Nm
Knock sensor (KS)	20 Nm
Engine oil pressure switch	15 Nm
Assemble components within 3 minutes. Do not start engine for 1 hour.
Oil filter	10 Nm
Chassis tightening torques
Front hub	216 Nm
Rear hub - wheel bearing housing bolts	90 Nm
Steering wheel	62 Nm
Steering rack/box mounting	86 Nm
Steering track rod end	49 Nm
Steering track rod end
Brake caliper to carrier Front	34 Nm
Brake caliper/carrier to hub Front	107 Nm
ABS sensor Front	9 Nm
Road wheels	103 Nm

Air conditioning

Do not mix R134a with R1234yf.
No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	No
Compressor variable displacement solenoid	Yes
Air conditioning refrigerant Type	R134a/R1234yf
Air conditioning refrigerant quantity grams	—
R1234yf
Air conditioning oil Type	—
Do not mix different oil types.
Air conditioning oil quantity cm³	30

Frequently asked questions

What is the firing order of the Toyota Yaris 1.0 VVTi?

The firing order for the Toyota Yaris 1.0 VVTi (2020–2026) is 1-2-3.

What spark plugs does the Toyota Yaris 1.0 VVTi use?

The Toyota Yaris 1.0 VVTi (2020–2026) uses Bosch 0 242 129 535 spark plugs with a 0,8 mm electrode gap.

How much oil does the Toyota Yaris 1.0 VVTi take?

The Toyota Yaris 1.0 VVTi (2020–2026) takes 2.8 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.

What are the valve clearances for the Toyota Yaris 1.0 VVTi?

Valve clearances for the Toyota Yaris 1.0 VVTi (2020–2026) are 0,15-0,23 mm inlet and 0,28-0,36 mm exhaust, measured cold.

What is the cylinder head torque for the Toyota Yaris 1.0 VVTi?

The cylinder head bolts on the Toyota Yaris 1.0 VVTi (2020–2026) are tightened in 3 stages: 32 Nm, then 90°, then a final 90°.

What is the minimum brake disc thickness for the Toyota Yaris 1.0 VVTi?

Brake discs on the Toyota Yaris 1.0 VVTi (2020–2026) are replaced at a minimum thickness of 19 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 201 mm.