Service manual

G420F(FE) Service Manual Chapter 1. General Information 13
General Specification
G420FE Engine G420F Engine
GENERAL DESCRIPTION
ENGINE TYPE: Water-cooled, Inline 4-Cycle, 4-Cylinders
COMBUSTION SYSTEM: Semi-Rent Roof
INTAKE MANIFOLD Cast Aluminum (with injector ports)
EXHAUST MANIFOLD Cast Iron, Dry
VALVE CONFIGURATION: DOHC, 4 Valves per Cylinder
VALVE LIFTER/LASH ADJUSTER Hydraulic Lash Adjuster
VALVE ROTATOR Intake/Exhaust Rotator
CAMSHAFT DRIVE Timing belt system (25.4 mm Toothed Belt)
DISPLACEMENT: 1,975 cc (120.5 cid)
BORE x STROKE 82mm (3.23 in) x 93.5 mm (3.68 in)
BLOCK STRUCTURE Grey Cast Iron
HEAD STRUCTURE Aluminum with seat inserts
COMPRESSION RATIO: 9.4:1
COMPRESSION PRESSURE: 1,450 kPa (210 psi)
Intake Valve: 2° BTDC(Open)/ 16° ABDC(Close)
VALVE TIMING:
Exhaust Valve: 6° BBDC(Open)/ 2° ATDC(Close)
FIRING ORDER: 1-3-4-2
WEIGHT: 170 kg (Dry)
ENGINE ROTATION: Counter-Clockwise (CCW) when viewed from Flywheel End
FUEL TYPE: LPG, Gasoline, Dual Fuel (LPG or Gasoline)
CRANK VENTILATION Foul Air System with PCV
IGNTION SYSTEM
IGNITION TYPE: Distributorless (coil on plug)
IGNITION TIMING: Electronic controlled by ECM
POWER TRANSISTOR Ignition coil driver
IGNITION COIL: 12 V operation volt, 4 coils (coil on plug)
SPARK PLUGS: Platimum Spark Plug (Air Gap: 0.8mm)
LUBRICATION SYSTEM
OIL PRESSURE: 167 kPa (24 psi) @ low Idle (90-100C oil temperature)
Upper Limit: 125°C (257°F)
Recommended: 99 - 110°C (210 - 230°F)
OIL TEMPERATURE:
Lower Limit:80°C (176°F)
OIL PAN Cast Aluminum
OIL PAN CAPACITY 3.7 L (EXCLUDES OIL FILTER)
OIL FILTER: 0.3 L
ENGINE OIL SPECIFICATION: API - SJ, SAE 10W30 or SAE 5W30
COOLING SYSTEM
WATER PUMP ROTATION: V-Belt Drive - Clockwise (CW) when viewed from engine front
THERMOSTAT: Opening Temperature: 82°C (180°F)
Fully Open Temperature: 95°C (203°F)
COOLING WATER CAPACITY: 3.0 L (block only)