1901-1953 Indian Motorcycle – Parts – Accessories

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76 – Recommended Grades of Indian Oil

The following change has been made in recommended grades of Indian Oil.

GRADE NAMESAE VISCOSITY RATINGS
Indian Light10-W
Indian Light Medium20-W
Indian Medium30
Indian Heavy50
  1. For all temperatures above 60° F. use SAE-50
  2. For all temperatures between 60° F. and 32° F. use SAE-30
  3. For all temperatures between 32° F. and 0° F. use SAE-20W
  4. For all temperatures below 0° F. use SAE-10-W

When breaking in new motors do not use heavier than SAE-30 oil regardless of temperature.

The above oil change should be made on all 338 motors at once.

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