Mitsubishi S12A2 User Manual

2-3
Chapter 2 SERVICE DATA
Chapter 2 SERVICE DATA
1. Maintenance Service Data
1.1 Maintenance Service Data of Engine General
Item Nominal value Standard value Limit value Remarks
Compression pressure
2.35 MPa
{24 kgf/cm
2
}
[419 psi]
1.86 Mpa
{300 kgf/cm
2
}
[4267 psi]
Cranking
(120 to 200 min
-1
)
Engine oil pressure
(at rated)
0.49 to 0.64 MPa
{300 kgf/cm
2
}
[4267 psi]
0.29 Mpa
{300 kgf/cm
2
}
[4267 psi]
At oil temperature range
from 90 to 100°C [194 to
212°F]
When idling
0.20 to 0.29 MPa
{300 kgf/cm
2
}
[4267 psi]
0.15 Mpa
{300 kgf/cm
2
}
[4267 psi]
Valve timing
Inlet
Open BTDC 55°
At normal valve clearance
(0 mm)
Close ABDC 65°
Exhaust
Open BBDC 65°
Close ATDC 55°
Inlet
Open BTDC 11°
±2°
(crank angle)
Valve clearance
2 mm [0.08 in.]
Close ABDC 21°
Exhaust
Open BBDC 21°
Close BTDC 11°
Valve clearance
(when cold)
Inlet 0.4 mm [0.016 in.]
Exhaust 0.5 mm [0.019 in.]
Fuel injection timing
Check the caution plate on
No. 1 rocker cover.

Mitsubishi S12A2 Specifications

General

Brand	Mitsubishi
Model	S12A2
Category	Engine
Language	English