Engine Lubrication System 7-15

Oil Pressure Measurement

Oil Pressure Measurement

NOTE

○Measure the oil pressure after the engine is warmed up.

• Remove:

о

WARNING

Oil Passage Plug

If the oil passage plug is removed while the engine is warm, hot engine oil will drain through the oil pas­sage; take care against burns.

• Attach the oil pressure gauge [A] and adapter [B] to the
oil passage hole.

Special Tools-Oil Pressure Gauge, 5 kgf/cm²: 57001-125 Oil Pressure Gauge Adapter, M14 x 1.5: 57001-1209

• Run the engine at the specified speed, and read the oil pressure gauge.

• If the oil pressure is significantly below the specification, inspect the oil pump and relief valve.

• If the oil pump and relief valve are not at fault, inspect the rest of the lubrication system.

Oil Pressure 275 ~ 335 kPa (2.8 ~ 3.4 kgf/cm², 40 ~ 48 psi) @4 000 r/min (rpm), 90°C (194°F) of oil temp.

• Stop the engine.

• Remove the oil pressure gauge and adapter.

• Install the oil passage plug and tighten it.

Torque-Oil Passage Plug: 18 N-m (1.8 kgf-m, 13 ft-lb)

NOTE

О When binding the brake switch lead with the plastic clamp, make sure it does not touch the exhaust pipe.

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