SERVICE DATA AND SPECIFICATIONS (S.D.S.) — Inspection and Adjustment / Engine Compression Pressure / Cylinder Head / Valve / Valve Clearance
EM-58spec tableInspection and Adjustment
ENGINE COMPRESSION PRESSURE
NOTE
Unit: kPa (bar, kg/cm², psi)/350 rpm
Standard
CG10DE, CG13DE1324 (13.24, 13.5, 192)
Minimum
CG10DE, CG13DE1128 (11.28, 11.5, 164)
Difference limit between cylinders
CG10DE, CG13DE98 (0.98, 1.0, 14)
CYLINDER HEAD
NOTE
Unit: mm (in)
Head surface flatness
CG10DE, CG13DE — Standard0.03 (0.0012)
CG10DE, CG13DE — Limit0.1 (0.0039)
VALVE
NOTE
Unit: mm (in)
Valve head diameter "D" mm (in)
Intake / ExhaustIntake
CG10DE, CG13DE27.40 - 27.60 (1.0787 - 1.0866)
Valve head diameter "D" mm (in)
Intake / ExhaustExhaust
CG10DE, CG13DE22.40 - 22.60 (0.8819 - 0.8898)
Valve length "L" mm (in)
Intake / ExhaustIntake
CG10DE, CG13DE95.50 - 96.00 (3.7598 - 3.7795)
Valve length "L" mm (in)
Intake / ExhaustExhaust
CG10DE, CG13DE95.57 - 96.07 (3.7626 - 3.7823)
Valve stem diameter "d" mm (in)
Intake / ExhaustIntake
CG10DE, CG13DE5.465 - 5.480 (0.2152 - 0.2157)
Valve stem diameter "d" mm (in)
Intake / ExhaustExhaust
CG10DE, CG13DE5.445 - 5.460 (0.2144 - 0.2150)
Valve face angle "α" degree
Intake / ExhaustIntake & Exhaust
CG10DE, CG13DE45°15′ - 45°45′
Valve margin "T" limit mm (in)
Intake / ExhaustIntake & Exhaust
CG10DE, CG13DE0.6 (0.0236)
Valve stem end surface grinding limit mm (in)
Intake / ExhaustIntake & Exhaust
CG10DE, CG13DELess than 0.2 (0.008)
Valve clearance
NOTE
Unit: mm (in)
Intake mm (in)
Engine — CG10DE, CG13DE0.33 - 0.41 (0.0130 - 0.0161)
Exhaust mm (in)
Engine — CG10DE, CG13DE0.36 - 0.44 (0.0142 - 0.0173)
IMPORTANT
Valve clearances must always be checked when the engine is at normal operating temperature.