Honda R18A Engine

Honda R18A Engine



The code used for engine nomenclature can be given as follows:

R18A

  • REngine family (R -Series)
  • 18 – Engine Displacement (1.8 L)
  • AEngine version

General information

Engine Specifications
Manufacture: Honda
Engine code: R18A
Production Period: 2005-_2014
Type of Internal Combustion Engines : Four stroke, naturally aspirated
Layout: Four cylinder in-line (Straight-4)
Firing-order: 1-3-4-2
Fuel type: Gasoline (petrol)
Fuel system: Multi-Port fuel injection / Electronically Controlled Fuel Injection type (PGM-FI)
Valve mechanism: SOHC i-VTEC
Timing drive: Chain driven
Compression ratio: 10.5:1
Displacement: 1.8 L
1,799 cc
(109.8 cu-in)
Cylinder bore: 81 mm
(3.19 in)
Piston stroke: 87.3 mm
(3.44 in)
Power-output: 141 PS
104 kW
139 HP
at 6,300 RPM
Torque-output: 174 Nm
17.7 kg·m
128 ft·lb
at 4,300 RPM


Maintenance Data

Ignition System

Spark plug: Spark plug gap:
Honda 9807B-561CW 1.1mm
(0.043in)
9807B-561CP 1.1mm
(0.043in)
DENSO SKJ20DR-M11S 1.1mm
(0.043in)
K16PR-U11 1.1mm
(0.043in)
IK20TT 1.1mm
(0.043in)
NGK IZFR6K-11S 1.1mm
(0.043in)


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