General Category > Microcars Discussion
140 wt Non Hypoid GL1 Gear Oil
Jim Janecek:
The Isetta is not supposed to be using 90+W gear oil anywhere.
You should be using 40W in the engine/gearbox/chaincase. (according to the manual)
The 0-20W oil you mentioned is good if you don't actually use the Isetta in hot climates or don't drive it very far or long.
It will remain thin and flow easily at low temperatures, but it is not intended for high temps. If you brought it up to operating temperature and ran it for awhile it would be "too thin" for specs.
This topic was about the gear oil needed for the 2-stroke engine in the Messerschmitt. Different beast
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