2004 John Deer Buck Utility ATV 500, 500EX and 500EXT Service Manual, Page 11Get this manual
Use the appropriate oil viscosity based on the expected air temperature range during the period between recommended oil changesOperating outside of these recommended oil air temperature ranges may cause premature engine failureThe following John Deere oils are PREFERRED: The following John Deere oils are based on their specified temperature range: Other oils may be used if above John Deere oils are not available, provided they meet one of the following specifications: SAE 10W-40API Service Classifications SG or higher; SAE 5W-30API Service Classification SG or higher; SAE 10W-30API Service Classifications SG or higher; SAE 30API Service Classification SC or higher;The following John Deere oil is PREFERRED: John Deere BREAKIN ENGINE OIL is formulated with special additives for aluminum and cast iron type engines to allow the power cylinder components (pistons, rings, and liners as well) to "wear-in" while protecting other engine components, valve train and gears, from abnormal wearEngine rebuild instructions should be followed closely to determine if special requirements are necessaryJohn Deere BREAKIN ENGINE OIL is also recommended for non-John Deere engines, both aluminum and cast iron typesThe following John Deere oil is If the above recommended John Deere oils are not available, use break-in engine oil meeting the following specification during the first of operation: SAE 5W-30API Service Classification SE or higher: