2006-2014 Honda FourTrax ATV TRX250 EX TRX250X Service Manual, Page 67Get this manual
MAINTENANCE
REAR FINAL GEAR CASE OIL
OIL LEVEL CHECK
Place the vehicle on level groundRemove the oil check bolt and check that the oil flows out of the check bolt hole
If there is no oil flow, remove the oil filler cap and add recommended oil slowly through the oil filler hole until the oil starts to flow out of the oil check bolt holeRECOMMENDED OIL: Hypoid gear oil SAE80