OUTLINE
01–00–2
ENGINE FEATURES
CHU010002000S02
End Of Sie
ENGINE SPECIFICATIONS
CHU010002000S03
Improved power performance
• A side intake and exhaust port system adopted
• 2-piece apex seals adopted
• Keystone shaped side seals adopted
• Cut-off seal adopted
• A lightweight flywheel adopted
Improved driving performance
• Advanced front mid-ship layout adopted
• Drive-by-wire system, which opens and closes throttle valve by throttle actuator,
adopted
Improved engine torque and
output
• Sequential dynamic air intake system (S-DAIS) adopted
Improved startability • A reduction type starter adopted
Reduced weight
• Thin walls on the side housings adopted
• Lightweight rotors adopted
• Aluminum rotor housings adopted
• Aluminum engine mount brackets adopted
• A compact oil filter adopted
• A thin oil pan made of steel adopted
• An oil strainer made of plastic adopted
• A down flow type radiator with aluminum core and plastic tank adopted
Miniaturization
• A regulatorless generator with built-in power transistor adopted
• A built-in type water pump adopted
Improved fuel economy
• Bathtub shaped combustion chambers adopted
• By-pass valve in the eccentric shaft adopted
• Anti-wet port adopted
Improved idle fuel economy • Jet air fuel mixing system adopted
Reduced engine noise and
vibration
• Oil-filled engine mount rubber adopted
• A cooling fan with electric motor adopted
Improved reliability
• A degassing type coolant reserve tank adopted
• An independent ignition control system with distributorless ignition coil adopted
• A battery duct adopted
Improved durability • A spark plug with an iridium tip adopted
Improved lubricity
• A two-rotor type trochoid oil pump adopted
• An electric type metering oil pump adopted
Improved safety • A starter interlock switch adopted (MT)
Improved serviceability
• Nylon tubes adopted for fuel hoses in the engine compartment and around the fuel
tank, and quick release connectors adopted for joints
Wiring harness simplification • Controller area network (CAN) adopted
Reduction of evaporative gas
• Returnless fuel system adopted
• Evaporative purge control adopted
Improved exhaust purification
• Secondary air injection (AIR) system with electric secondary air injection (AIR) pump
adopted
• TWC system adopted
Item
Specifications
13B-MSP
(Standard power)
13B-MSP
(High power)
MECHANICAL
Engine type Rotary
Rotor arrangement and number In-line 2-rotor, longitudinal
Combustion chamber type Bathtub
Displacement (ml {cc, cu in}) 654 {654, 40.0}×2
Compression ratio 10.0
Compression pressure
(kPa {kgf/cm
2
, psi} [rpm])
830 {8.5, 120}[250]
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