R-series
R20A1
R20A1 SOHC i-VTEC
Displacement
2.0L (1997 cc)
Configuration
Inline-4
Power
152 PS (112 kW; 150 hp) @ 6200 rpm
Torque
190 Nm (140 lb-ft) @ 4200 rpm
Compression
10.5:1
Bore × Stroke
81.0 mm x 96.9 mm
Valvetrain
SOHC i-VTEC (timing chain)
Aspiration
Naturally aspirated
Fuel System
PGM-FI
OBD
OBD2
Redline
6800 rpm
Years
2007-2015
Factory Fitment
Honda CR-V RE1/RE2, Honda Stream RSZ, Acura ILX DE1
Notes
Base 2.0L for the third-generation CR-V; also served in the entry Acura ILX. 7100 rpm fuel cutoff.
Swaps using the R20A1
Guides mentioning the R20A1
Difficult
1-2 days
Civic Type R 5-Lug Brake and Suspension Conversion for the 1996-2000 Civic (EK)
Easy
15-30 minutes
Honda PGM-FI Fault Code Reading and ECU Reset (OBD0/OBD1/OBD2)
Expert
6-10 hours (excluding paint and parts lead time)
Honda Fit (GE8) JDM 11-Pin Folding, Heated Door Mirror Retrofit
Difficult
6-10 hours
Honda Prelude (4th Gen) Projector Headlight Retrofit
Difficult
4-6 hours
Honda Fit (GE8) LED Taillight and Rear Fog Light Retrofit
Difficult
3-4 hours
Honda Fit (GE8) HomeLink and Ambient Light Retrofit Using an Acura TSX Overhead Console
Moderate
4-6 hours (plus sealant cure time)
DIY Amber City Lights in Honda Headlight Housings
Difficult
3-5 hours
Diagnosing Dead ECT, CMP and Wideband O2 Signals After a K-Series Conversion Harness Swap