Honda R engine

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R20A

The Honda R series Straight-4 engine is new for the 2006 Honda Civic (Non-Si). It is Fuel injected, has an aluminum-Alloy Cylinder block and Cylinder head, is a SOHC 16 Poppet valve design (4 valves per cylinder), utilizes Honda's I-VTEC system, and produces Convert/hp in Japanese-market form, Convert/hp in American-market configuration, at 6300 rpm. Torque is 128 lb·ft (174 N·m), with the Redline at 6800 rpm. The R series is Undersquare with a bore and stroke of Convert/Dual/LoffAonDbSoff (Stroke ratio of 0.93); it has a high Compression ratio of 10.5:1, features a "Electronic throttle control" throttle system which is computer controlled to reduce Pumping losses and create a smooth torque curve. The engine uses many technologies to improve economy. Piston rings are given an ion plating, weight is reduced with plastic and aluminum parts and Variable length intake manifold that maintain ram air at a wide rpm range. The automatic transmission model is rated at CARB ULEV-2 (Ultra Low Emissions Vehicle) with 25/36 city/highway mpg (U.S. gallons) or 30/43 city/hwy mpg (Imperial gallon) . It also uses the same computer (ECU) controlled coil-on-plug Ignition system as the Honda K-series engines; it has no Distributor.

Contents

R16


R16A

  • Found in:
    • 2007- Honda Civic (Singapore Local Market FD4)
      • Displacement: 1,595 cc (Convert/CID)
      • Compression: 10.5:1
      • Bore & stroke: Convert/Dual/LoffAonDbSoff
      • Power: 123 bhp (125 PS, 93 kW) @ 6200 rpm Net horsepower
      • Torque: 15.6 Kgf·m (151 N·m, 113 lbf·ft) @ 4200 rpm Net horsepower

R18


R18A

R18A1

  • Found in:
    • 2006- Honda Civic (Japanese domestic market FD1, American-market FA1 and FG1)
      • Displacement: 1,799 cc (Convert/CID)
      • Compression: 10.5:1
      • Bore & stroke: Convert/Dual/LoffAonDbSoff
      • Power: Convert/hp @ 6300 rpm (Japanese Spec)
      • Torque: 128 lb·ft (174 N·m) @ 4300 rpm

R18A2

  • Found in:
    • 2007- Honda Civic (European-market FN1 & FK2)
      • Displacement: 1,799 cc (Convert/CID)
      • Compression: 10.5:1
      • Bore & stroke: Convert/Dual/LoffAonDbSoff
      • Power: 138 bhp (140 PS, 103 kW) @ 6300 rpm
      • Torque: 17.7 kgf·m (174 N·m, 128 lbf·ft) @ 4300 rpm

R20


R20A1

  • Found in:
    • 2007- Honda CR-V (RE1, RE2)
      • Displacement: 1,997 cc (Convert/CID)
      • Compression: 10.5:1
      • Bore & stroke: Convert/Dual/LoffAonDbSoff
      • Power: 148 bhp (150 PS, 110 kW) @ 6200 rpm
      • Torque: 19.4 kgf·m (190 N·m, 140 lbf·ft) @ 4200 rpm
    • 2008- Honda Accord (CP3)

R20A2

  • Found in:
    • 2007- Honda CR-V (RE5)
      • Displacement: 1,997 cc (Convert/CID)
      • Compression: 10.5:1
      • Bore & stroke: Convert/Dual/LoffAonDbSoff
      • Power: 148 bhp (150 PS, 110 kW) @ 6200 rpm
      • Torque: 19.4 kgf·m (190 N·m, 140 lbf·ft) @ 4200 rpm

External links

References

See also

  • Honda Engines


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