2005-2011 Honda Recon TRX250TE/TM service manual, Page 77Get this manual
LUBRICATION SYSTEM
SERVICE INFORMATION
GENERAL
When the engine must be running do some work, make sure the area is well -ventilatedNever fun the engine in an enclosed areaThe exhaust contains poisonous carbon monoxide gas that may cause loss of consciousness and lead to death Aun the engine in an open area or with an exhaust evacuation system in an enclosed area Used engine oil may cause skin cancer jf repeatedly leh in contact with the skin for prolonged periodsAlthough this is unlikely unless you handle used oil on daily basis, it is still advisable to thoroughly wash your hands with soap and water as soon as possible after handling used oilKEEP OUT OF REACH OF CHILDREN