Cirrus DESIGN SR20 Information Manual page 266

Section 8
Handling, Servicing, Maintenance
Approved Oils
For the first 25 hours of operation (on a new or rebuilt engine) or until
oil consumption stabilizes, use only straight mineral oil conforming to
Mil-L-6082. If engine oil must be added to the factory installed oil, add
only MIL-L-6082 straight mineral oil.
MIL-C-6529, Type II straight mineral oil with corrosion
preventive can cause coking with extended use and is not
recommended by Cirrus Design for break-in or post break-in
use.
After 25 hours of operation and after oil consumption has stabilized,
use only aviation lubricating oils conforming to Teledyne Continental
Motors (TCM) Specification MHS24, Lubricating Oil, Ashless
Dispersant, or TCM Specification MHS25, Synthetic Lubrication Oil.
The following products have supplied data to TCM indicating that
these oils conform to all the requirements of the above listed TCM
specifications:
8-20
• Caution •
Cirrus Design
P/N 13999-002 Info Manual
September 2011
SR20