2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 68Get this manual
MAINTENANCE
REAR FINAL GEAR CASE OIL
OIL LEVEL CHECK
Place the vehicle on level ground
Remove 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 slowlV through the oil filler hole until the oil starts to flow out of the oil check