1993-2000 Honda TRX300EX Service Manual, Page 161Get this manual
Charging SystemAlternator
Troubleshooting
Battery Overcharging Faulty regulatorrectifier Battery Undercharging NOTE: In order to obtain an accurate test reading when charging the systemthe battery must be fully charged and in good conditionSee Common Service Manual Section 22 for check the battery condition
Measure the battery current leakage ampere lleak test: page 14-6)
Incorrect
Check the regulatorrectifier (page 14-71