|manual says 16-2: SAE 10 motor oil, 1612: SAE 20 ; DoAll support says use SAE 20 motor oil
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|manual says 16-2: SAE 10 motor oil, 1612: SAE 20. DoAll support says use SAE 20 motor oil, which is difficult to find. ISO 68 waylube is equivalent to SAE 20 and available from Zengers in Melrose Park.
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| The drain plug is at the bottom of the gear box. Remove pipe cap and to the top of the pipe. Takes about 1 quart.
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| Changed 10/7/14 with ISO 68. Only about 2 cups of oil were drained, but no sign of a leak.