2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 16Get this manual
GENERAL INFORMATION
IGNITION SYSTEM SPECIFICATIONS
ITEM Spark plug Spark plug gap Ignition coil primary peak voltage Ignition pulse generator peak voltage Ignition timing ("F" mark) SPECIFICATIONS BKR5E-11 (NGK), K16PR-U11 (DENSO) 1.0-1.1 mm (0.039-0.043 in) 100 minimum 0.7 minimum 10 BTDC at idle
ELECTRIC STARTER SPECIFICATIONS
ITEM Starter motor brush length STANDARD 12.5 (0.49) Unit: mm (in) SERVICE LIMIT 9.0 (0.35)