1901-1953 Indian Motorcycle – Parts – Accessories

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  5. Service Bulletin I-11 149-249 Model Oil Specifications

149- 249 MODEL OIL SPECIFICATIONS

The oil recommendations given in the Arrow and Scout Riders’ Instruction Book are not complete. The atmospheric temperatures in different parts of the country vary considerably. Therefore, it is very important to use the correct grade of oil.

RECOMMENDED GRADES OF INDIAN OIL FOR ARROW AND SCOUT:

ENGINE AND TRANSMISSION

Below 0°F.Use S.A.E. #10-W
Between 0°F. and 32°F.Use S.A.E. #20-W
Between 32°F. and 60°F.Use S.A.E. #30
Above 60°F.Use S.A.E. #50
Recommendation for breaking in: Use one grade lighter than . indicated by temperature down to #10-W. Do not exceed 40 M.P. H. during first 500 miles of running, after which time change to the correct grade of oil.
IMPORTANT: The engine must be idled long enough to warm up the oil in the tank and circulate through the oiling system before starting off.

PRIMARY DRIVE AND CLUTCH

All temperaturesUse S.A.E. #10-W

Walter Brown
Service Manager

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