SPECIFICATIONS General Specifications G424 Service Manual Specifications 13 Engine model Item G424 Type Water-cooled, 4-cycle, gasoline-powered and L.P.G.-powered No.
of cylinders and arrangement 4, in-line Combustion chamber type Semi-spherical Valve mechanism OHC Total displacement, cm3(cc) [cu in.] 2350 (2350) [143] Bore x stroke, mm (in.) 86.5 B 100 (3.41 B 3.94) Dry weight, kg (lb) 146 (322) Compression ratio 8.6 Compression pressure, kPa (kgf/cm2) [psi] 1128 (11.5) [163.5] Valve timing Intake valve Open 12° BTDC Close 40° ABDC Exhaust valve Open 54° BBDC Close 6° ATDC Firing order 1 - 3 - 4 - 2 Ignition timing, BTDC/rpm 4°/740 (gasoline), 9°/740 (L.P.G.), 4˚/740(dual fuel) Fuel pump Gasoline Mechanical (diaphragm type) Carburetor Down-draft type Governor Air flow type Lubrication system Pressure feed, full-flow filtration type Oil pump Gear, driven by timing belt Oil filter Filter paper, cartridge type Cooling system Water-cooled, forced circulation Water pump Centrifugal, driven by V-belt Thermostat Wax type Electrical system 12V DC, negative ground Alternator, (12V-61A) Alternator current, built-in fan and regulator Starter motor, (12V-1.2kW) Reduction drive Distributor Equipped with automatic timing controller, breaker less type Spark plug (NGK) Gasoline BPR4ES L.
P. G. BPR5ES Quantity of lubricating oil, cm3 (liter) [U.S.gal] 4000(4.0) [1.06 ]( including 300 cm3(0.3 liter)[0.08 U.S.gal ]in oil filter Quantity of coolant, cm3 (liter) [U.S.gal] 3100 (3.1) [0.82] (in engine proper) IDLE RPM LOW (RPM) 700 L 25 HIGH (RPM) 2700 L 50