1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 26Get this manual
MAINTENANCE
ISSION Oil
OIL LEVEL CHECK
Plac the FOURTRAX on level groundRemove the oil filler cap and check boltOil !;hould flow out of the check bolt holeIf the oi does not flow out; add oil slow ly through the oil fil ler hole until! the oil starts to flow out of the check holeStop adding the oil and install the sealing washer and oil check boltLow transmission oil level can be caused by: Worn crankshaft oil seals External oil leaks
OIL CHANGE
NOTE Warm-up the engine befo re draining the oilThis ensures complete and rapid draining
Remove the oil filler cap Place drain pan under the engine to catch the oil, then rernCllleJ:he duLin boltCAUTION:
Used engine oil may cause skin cancer ,i repeatedly left in cont,lct with the skin for prolonged periodsAlthough this is unlikely unless you handle used oil on daily basis, it is still adviseable to throughly wash your hands with soap and water as soon as possible after handling used oil,