## Standards and Service Limits

#### Engine Electrical

2-2

Item | Measurement | Qualification | Standard or New | Service Limit
Ignition coil | Rated voltage |  | 12 V
Firing order |  | 1-3-4-2
Spark plug | Type |  | NGK: IFR7G-11K DENSO: SK22PR-M11
Gap |  | 1.0-1.1 mm (0.039-0.043 in.) | 1.3 mm (0.051 in.)
Ignition timing |  |  | In neutral 8 + 2° BTDC at 780 + 50 rpm (min-1)
Alternator | Output | At 13.5 V and normal engine temperature | 80 A
Coil (rotor) resistance | at 20°C (68°F) | 2.2-3.0 ohm
Slip ring O.D. |  | 14.4 mm (0.57 in.) | 14.0 mm (0.55 in.)
Brush length |  | 10.5 mm (0.41 in.) | 1.5 mm (0.06 in.)
Brush spring tension |  | 2.9-3.5 N (0.30-0.36 kgf, 0.7-0.8 lbs)
Starter | Output |  | 1.1 kw
Commutator mica depth |  | 0.50-0.80 mm (0.020-0.031 in.) | 0.2 mm (0.008 in.)
Commutator runout |  | 0.02 mm (0.001 in.) max. | 0.05 mm (0.002 in.)
Commutator O.D. |  | 28.0 mm (1.10 in.) | 27.0 mm (1.06 in.)
Brush length |  | 14.0-14.5 mm (0.55-0.57 in.) | 9.0 mm (0.35 in.)
Brush spring tension |  | 13.7-17.7 N (1.40-1.80 kgf, 3.09-3.97 lbs)

Engine Assembly

Item | Measurement | Qualification | Standard or New | Service Limit
Compression | Pressure check at 250 rpm (min-1) with wide open throttle. (See Design Specs for ratio) | Minimum | 930 kPa (9.5 kgf/cm2, 135 psi) | -
Maximum variation | 200 kPa (2.0 kgf/cm2, 28 psi) | -

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