Ducati Scrambler Manual page 201

Recommendations concerning oil
It is recommended to use oil complying with the
following specifications:
viscosity grade SAE 15W-50;
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standard API: SN;
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standard JASO: MA2.
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Attention
UK VERSION: It is recommended to use oil
complying with the following specifications:
viscosity grade SAE 15W-50.
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SAE 15W-50 is an alphanumerical code identifying
oil class based on viscosity: two figures with a W
("winter") in-between; the first figure indicates oil
viscosity at low temperature; the second figure
indicates its viscosity at high temperature. API
(American standard) and JASO (Japanese standard)
standards specify oil characteristics.
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