1901-1953 Indian Motorcycle – Parts – Accessories – Service

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  5. 147 – Change Oil To Prevent Motor Damage

CHANGE OIL TO PREVENT MOTOR DAMAGE


Heavy cold oil will not flow from the oil tank through the oil lines to the oil pump. The roller bearings, pistons, bushings, etc., will not get lubricated if the oil does not reach the oil pump. The result will be in most cases scuffed pistons, because they are the first parts to be affected by the lack of lubrication. In order to prevent this damaging condition, there are three precautions to be taken.

  1. The correct grade of oil must be used.
  2. The oil in the engine and transmission must be changed at this time of year because of the changes in temperature.
  3. The engine must be idled long enough to warm up the oil in the tank and circulate through the oiling system before starting off.

THE RECOMMENDED GRADES OF OIL FOR MOTORCYCLE USE:

ENGINE

Below 0° F. Use S.A.E. #10-W
Between 60° 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.

TRANSMISSION – PRIMARY DRIVE – CLUTCH

Below o° F. Use S.A.E. #10-W
Between 0° F. and 32° F. Use S.A.E. #20-W
Above 32° F. Use S.A.E. #30

The Indian Motocycle Company will not give consideration to troubles arising from the use of unknown oils or too heavy oils for new motors and cold temperatures.

USE INDIAN OIL ALWAYS .

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