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Lubrication System: Lubrication: General Description: Specifications

Lubrication General Specifications Chart

Lubrication method Forced lubrication
Oil pump Pump type Trochoid type
Number of teeth Inner rotor 9
Outer rotor 10
Outer rotor diameter x thickness 78 x 9 mm (3.07 x 0.35 in)
Tip clearance between inner and outer rotor STANDARD 0.04 - 0.14 mm (0.0016 - 0.0055 in)
LIMIT 0.18 mm (0.0071 in)
Side clearance between inner rotor and pump case STANDARD 0.02 - 0.07 mm (0.0008 - 0.0028 in)
LIMIT 0.12 mm (0.0047 in)
Case clearance between outer rotor and pump case STANDARD 0.10 - 0.175 mm (0.0039 - 0.0069 in)
LIMIT 0.20 mm (0.0079 in)
Capacity at 80°C (176°F) 600 rpm Discharge - pressure 98 kPa (1.0 kg/cm2 , 14 psi)
- quantity 4.6 (4.9 US qt, 4.0 lmp qt)/min.
5,000 rpm Discharge - pressure 294 kPa (3.0 kg/cm2 , 43 psi)
- quantity 47.0 (12.4 US gal, 10.3 lmp gal)/min.
  Relief valve operation pressure 588 kPa (6.0 kg/cm2 , 85 psi)
Oil filter Type Full-flow filter type
Filtration area 1,000 cm2 (155 sq in)
By-pass valve opening pressure 157 kPa (1.6 kg/cm2 , 23 psi)
Outer diameter x width 80 x 70 mm (3.15 x 2.76 in)
Oil filter to engine thread size M 20 x 1.5
Relief valve (on rocker shaft) operation pressure 69 kPa (0.7 kg/cm2 , 10 psi)
Oil pressure switch Type Immersed contact point type
Working voltage - wattage 12 V - 3.4 W or less
Warning light activation pressure 14.7 kPa (0.15 kg/cm2 , 2.1 psi)
Proof pressure More than 981 kPa (10 kg/cm2 , 142 psi)
Oil capacity (at replacement) 4.0 (4.2 US qt, 3.5 lmp qt)