The following change has been made in recommended grades of Indian Oil.
|GRADE NAME||SAE VISCOSITY RATINGS|
|Indian Light Medium||20-W|
- For all temperatures above 60° F. use SAE-50
- For all temperatures between 60° F. and 32° F. use SAE-30
- For all temperatures between 32° F. and 0° F. use SAE-20W
- 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.