2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 262Get this manual
BATTERY ICHARGING SYSTEM BATIERY TESTING
Refer to the instructions in the Operation Manual for the recommended battery tester for details about the battery testingThe recommended battery tester putsloadon the battery so that the actual battery performance during load can be measured
Recommended battery tester
BM-2 1O-AH, BM-2 10