ENGINE FEATURES [13B-MSP]

id010000100250

On-board Diagnostic

To meet the EOBD regulations

•  Diagnostic test modes adopted

Improved serviceability

•  DTCs adopted

•  KOEO/KOER self-test function adopted

•  PID/DATA monitor function adopted

•  Active command modes function adopted

Mechanical

Improved power performance

•  Multi side port (MSP) system adopted.

•  2-piece apex seals adopted.

•  Keystone shaped side seals adopted.

•  Cut-off seal adopted.

Reduced weight

•  Aluminum rotor housings adopted.

•  Aluminum engine mount brackets adopted.

Reduced engine noise and vibration

•  Oil-filled engine mount rubber adopted.

Improved fuel economy

•  Bathtub shaped combustion chambers adopted.

•  Bypass valve in the eccentric shaft adopted.

•  Anti-wet port adopted.

Lubrication

Reduced weight

•  Aluminium alloy oil pump body and cover

•  An oil strainer made of plastic adopted

•  A thin oil pan made of steel adopted

Improved lubricity

•  Center oil nozzles adopted which discharge oil to the center area of the rotor housings

•  A two-rotor type trochoid oil pump adopted

•  An electric type metering oil pump system adopted

•  Oil cooler adopted

Cooling System

Improved reliability

•  A degassing type coolant reserve tank adopted

Reduced weight

•  A down flow type radiator with aluminum core and plastic tank adopted

Miniaturization

•  A built-in type water pump adopted

Reduced engine noise and vibration

•  A cooling fan with electric motor adopted

Improved serviceability

•  Longer-life new engine coolant (type FL22) adopted

Intake-air System

Improved engine controllability

•  Drive-by-wire system, which opens and closes throttle valve by throttle valve actuator, adopted

Improved engine output

•  Sequential dynamic air intake system (S-DAIS) adopted

Improved idle fuel economy

•  Jet air fuel mixing system adopted

Fuel System

Improved serviceability

• Nylon tubes adopted for fuel hoses in the engine compartment and around the fuel tank, and quick release connectors adopted for joints

Reduction of evaporative gas

• Returnless fuel system adopted

Emission System

Improved exhaust purification

• Secondary air injection (AIR) system with electric Secondary air injection (AIR) pump adopted

• Catalytic converter system adopted

Charging System

Improved reliability

• A battery duct adopted

Miniaturization

• A regulatorless generator with built‐in power transistor adopted

Ignition System

Improved reliability

• Independent ignition control system with distributorless ignition coils adopted

Improved durability

• A spark plug with an iridium tip adopted

Starting System

Improved startability

• A reduction type starter adopted

Cruise Control System

Improved driveability

• Cruise control switch adopted

Control System

Improved engine torque and output

•  S-DAIS control adopted

Improved engine reliability

•  KS No.1, No.2 adopted

•  Electrical fan control adopted

•  Fuel injection control adopted

•  Oil pressure control adopted

―  Oil pressure sensor adopted

Improved engine startability

•  Metering oil pump control adopted

―  Metering oil pump driver adopted

To meet the EOBD regulations	• Diagnostic test modes adopted
Improved serviceability	• DTCs adopted • KOEO/KOER self-test function adopted • PID/DATA monitor function adopted • Active command modes function adopted

Improved power performance	• Multi side port (MSP) system adopted. • 2-piece apex seals adopted. • Keystone shaped side seals adopted. • Cut-off seal adopted.
Reduced weight	• Aluminum rotor housings adopted. • Aluminum engine mount brackets adopted.
Reduced engine noise and vibration	• Oil-filled engine mount rubber adopted.
Improved fuel economy	• Bathtub shaped combustion chambers adopted. • Bypass valve in the eccentric shaft adopted. • Anti-wet port adopted.

Reduced weight	• Aluminium alloy oil pump body and cover • An oil strainer made of plastic adopted • A thin oil pan made of steel adopted
Improved lubricity	• Center oil nozzles adopted which discharge oil to the center area of the rotor housings • A two-rotor type trochoid oil pump adopted • An electric type metering oil pump system adopted • Oil cooler adopted

Improved reliability	• A degassing type coolant reserve tank adopted
Reduced weight	• A down flow type radiator with aluminum core and plastic tank adopted
Miniaturization	• A built-in type water pump adopted
Reduced engine noise and vibration	• A cooling fan with electric motor adopted
Improved serviceability	• Longer-life new engine coolant (type FL22) adopted

Improved engine controllability	• Drive-by-wire system, which opens and closes throttle valve by throttle valve actuator, adopted
Improved engine output	• Sequential dynamic air intake system (S-DAIS) adopted
Improved idle fuel economy	• Jet air fuel mixing system adopted

Improved serviceability	• Nylon tubes adopted for fuel hoses in the engine compartment and around the fuel tank, and quick release connectors adopted for joints
Reduction of evaporative gas	• Returnless fuel system adopted

Improved reliability	• A battery duct adopted
Miniaturization	• A regulatorless generator with built‐in power transistor adopted

Improved reliability	• Independent ignition control system with distributorless ignition coils adopted
Improved durability	• A spark plug with an iridium tip adopted

Improved engine torque and output	• S-DAIS control adopted
Improved engine reliability	• KS No.1, No.2 adopted • Electrical fan control adopted • Fuel injection control adopted • Oil pressure control adopted ― Oil pressure sensor adopted
Improved engine startability	• Metering oil pump control adopted ― Metering oil pump driver adopted