## 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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