Standards and Service Limits

Engine Electrical

 2-2  

Item Measurement Qualification Standard or New Service Limit
Alternator Output   100 A
Coil (rotor) resistance   2.45 – 2.75 ohms
Slip ring O.D.   31.7 mm (1.25 in.) 30.7 mm (1.21 in.)
Brush length   25.0 mm (0.97 in.) 6.5 mm (0.26 in.)
Starter Output   1.4 kW
Commutator mica depth   0.5 – 0.8 mm (0.020 – 0.032 in.) 0.2 mm (0.008 in.)
Commutator runout   0.05 mm (0.002 in.) max. 0.1 mm (0.004 in.)
Commutator O.D.   29.0 mm (1.14 in.) 28.0 mm (1.10 in.)
Brush length   15.5 mm (0.61 in.) 10.5 mm (0.41 in.)

Engine Assembly

Item Measurement Qualification Standard or New Service Limit
Compression Pressure check at 200 rpm (min-1)   2.8 MPa (28.6 kgf/cm2, 406 psi) 2.5 MPa (25.5 kgf/cm2, 363 psi)

Cylinder Head

Item Measurement Qualification Standard or New Service Limit
Head Warpage   – 0.1 mm (0.04 in.)
Height   Reference: 95.0 mm (3.74 in.) –
Camshaft Camshaft-to-holder oil clearance   0.040 – 0.082 mm (0.0016 – 0.0032 in.) 0.11 mm (0.004 in.)
Total runout   0.03 mm (0.001 in.) 0.05 mm (0.002 in.)
Valves Clearance (cold) Intake 0.40 mm (0.016 in.) –
Exhaust 0.40 mm (0.016 in.) –
Stem O.D. Intake 5.959 – 5.977 mm (0.2346 – 0.2353 in.) 5.945 mm (0.2341 in.)
Exhaust 5.954 – 5.972 mm (0.2344 – 0.2351 in.) 5.940 mm (0.2339 in.)
Stem-to-guide clearance Intake 0.023 – 0.056 mm (0.0009 – 0.0022 in.) 0.080 mm (0.0031 in.)
Exhaust 0.028 – 0.061 mm (0.0011 – 0.0024 in.) 0.095 mm (0.0037 in.)
Valve seats Width Intake – 1.7 mm (0.07 in.)
Exhaust – 1.5 mm (0.06 in.)
Valve springs Free length   44.63 mm (1.757 in.) 44.13 mm (1.737 in.)
Valve guides Installed height   Reference 11.7 mm (0.46 in.) –

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