2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 457Get this manual
BATTERYCHARGING SYSTEM (After '05)
TROUBLESHOOTING
Battery is Damaged or Weak 1Battery Test Remove the battery (page 21-6)Check the battery condition using the recommended battery testerRECOMMENDED BATTERY TESTER: BM-210-AH (U.S.Aonly), BM-210, BATTERY MATE (MTP08-0192, U.S.Aonly) or equivalent Is the battery in good condition? NO YESFaulty batteryGO TO STEP 2
2Current Leakage Test Install the battery (page 21-6)Check the battery current leakage test (Leak test: page 21-7)Is the current leakage below 0.01 mA? YES NOGO TO STEP 4- GO TO STEP 3