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) -

aaa