2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 47Get this manual
MAINTENANCE Fill the crankcase with recommended oil (see previous page)
ENGINE Oil CAPACITY: 1.6 liters (1.7 US qt, 1.4 Imp qt) at draining 1.9 liters (2.0 US qt1.7 Imp qtl at disassembly
Install he oil filler capdipstickStart the engine and let it idle or two or th ree minutesStop the engine, wait few minutes them remove the oil filler capdipstick and pe it cleanCheck the oil level by inserting the oil filler capdipstick into the engine without screwing it in and check: that the oil level is at the upper level mark on the dipstickMake sure there are no oil leaks
ENGINE OIL STRAINER SCREEN