1993-2000 Honda TRX300EX Service Manual, Page 16Get this manual
General Information Unitmm (i n)
Ignition System
Item Spark plug (Standard NGKI (Standard NIPPONDENSO) (For cold climatebelow 5C41 NGK) (for cold climatebelow 5C41 "f NIPPQNDENSO) (for extended high speed riding NGK) (For extended high speed riding NIPPONDENSO) Spark plug gap Ignition timing "F" mark full advance Alternator charging coil resistance (At 20"C68"f) Ignition coil resistance (Primary: at (Secondary with pl ug cap) (Secondary without plug cap) Ignition pulse generator resistance Standard DR8ESl X24ESRU OR7ES X22ESRU OR8ES X27ESRU 0.600.70 (0.0240.0281 17' BlOC at 1,400 rpm 33' BlOC at 3,250 250 rpm 0.20.6 0.10.39k 2.53.5 300500 Service limit