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ENGINE FEATURES

BME010002000T29

## Mechanical

Reduced weight | • Aluminum alloy cylinder head and cylinder block adopted (L3, AJ) • Plastic cylinder head cover adopted (AJ) • The cassette type balancer unit has been adopted (L3)
Reduced engine noise and vibration | • Silent timing chain adopted (L3, AJ) • Crankshaft pulley with torsional damper adopted • Deep, skirt-type cylinder block adopted, composed of an integrated main bearing cap together with a ladder frame structure (L3) • An aluminium alloy oil pan upper block has been adopted (MZR-CD (RF Turbo))
• An eight counter weight crankshaft has been adopted (MZR-CD (RF Turbo))
• A crankshaft pulley cover has been adopted (MZR-CD (RF Turbo))
• An engine cover with insulator has been adopted (MZR-CD (RF Turbo))
Improved serviceability | • Drive belt auto tensioner adopted • Timing chain adopted (L3, AJ) • Engine front cover with service holes adopted (L3, AJ) • The drive belt of serpentine type has been adopted (L3, MZR-CD (RF Turbo))
Improved engine performance | • Coated piston have been adopted
Improved design | • An engine cover has been adopted (AJ, MZR-CD (RF Turbo))

## Lubrication

Reduced noise | • Aluminum alloy oil pan adopted (L3, AJ)
Reduced weight | • Plastic oil strainer adopted (L3) • Aluminium alloy oil pan (L3) • Oil filter cover made of resin (L3)
Improved lubricity | • Trochoid gear type oil pump adopted (L3, AJ) • Oil jet valves adopted (L3) • Water-cooled type oil cooler adopted
Improved lubrication and reliability | • Trochoid gear type oil pump (chain driven type) (L3) • Water-cooled type oil cooler (L3) • Oil jet valve has been adopted (L3)

## Cooling System

Reduced weight and size | • Cross flow type radiator with aluminum core and plastic tank adopted • A wax-type thermostat with a jiggle-valve has been adopted • Built-in type water pump
Miniaturization | • Built-in type water pump adopted
Reduced engine noise and vibration | • Cooling fan motor component consists of the cooling fan motor and fan control module adopted • Electric cooling fan has been adopted
Improved cooling system | • Fan control module has been adopted

## Intake-air System

Improved engine torque and output | • Charge air cooler adopted (MZR-CD (RF Turbo)) • Turbocharger adopted (MZR-CD (RF Turbo)) • Variable intake-air system (VIS) adopted (L3) • Intake manifold communication control (IMCC) system adopted (AJ) • Variable swirl contorol (VSC) system adopted (MZR-CD (RF Turbo))
• Variable boost contorol (VBC) system adopted (MZR-CD (RF Turbo))
Improved emission performance | • Variable tumble system adopted (L3)

## Fuel System

Improved serviceability | • Quick release connectors have been adopted (L3, AJ)
Reduction of evaporative gas | • Returnless fuel system adopted (L3, AJ)
Improved emission performance | • Common rail injection system adopted (MZR-CD (RF Turbo))

## Emission System

Reduction of evaporative gas | • Evaporative purge control adopted (L3, AJ)
Improved emission performance | • Exhaust gas recirculation (EGR) system adopted

## Charging System

Miniaturization | • Regulatorless generator with built-in power transistor adopted. (AJ, L3)
Reduced operation noise | • A generator with Y connection circuit for the stator coil. (AJ)

## Ignition System

Improved reliability | • Independent ignition control system with distributorless ignition coil adopted
Improved durability | • Spark plug with an iridium alloy center electrode and platinum tip ground electrode adopted (L3)

## Starting System

Improved startability | • Reduction type starter adopted

## Control System

Wiring harness simplification | • Controller area network (CAN) adopted
Improved theft deterrence | • Starter cut-off control adopted