2009 Honda S2000 BaseFACTORY OEM SERVICE PROCEDURE

Engine Electrical System

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2008 Honda S2000, 2007 Honda S2000, 2006 Honda S2000, 2005 Honda S2000, and 2004 Honda S2000. However, it is still accessible from the selected car via links, so may be relevant.
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 redΒ  mark
In neutral 5+/-2Β° 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)
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.