LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2004 >> S2000 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Engine Electrical Service Specifications >> Engine Electrical System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Electrical System

ENGINE ELECTRICAL STANDARDS AND SERVICE LIMITS SPECIFICATIONS TABLE

Item Measurement Qualification Standard or New Service Limit
Ignition coil Rated voltage - 12 V
Firing order - 1-3-4-2
Spark plug Type - NGK: PFR7G11S
DENSO: PK22PR-L11S
Gap - 1.0-1.1 mm (0.039-0.043 in.) -
Ignition timing At idle
Check the red  mark
In neutral 5+/-2° BTDC
Drive belt Tension - Auto tensioner
Alternator Output At 13.5 V and normal engine temperature 105 A
Brush length - 10.5 mm (0.41 in.) 1.5 mm (0.06 in.)
Starter Output 2000-2003 models 1.0 kW
2004-2009 models 1.1 kW
Commutator mica depth - 0.4-0.5 mm (0.016-0.020 in.) 0.15 mm (0.006 in.)
Commutator runout - 0.02 mm (0.001 in.) max. 0.05 mm (0.002 in.)
Commutator O.D. - 28.0-28.1 mm (1.102-1.106 in.) 27.5 mm (1.083 in.)
Brush length - 15.8-16.2 mm (0.62-0.64 in.) 11.0 mm (0.43 in.)
Brush spring tension (new) - 15.7-17.7 N (1.60-1.80 kgf, 3.53-3.97 lbf)