W175 !full!: Manual Book Kawasaki

The W175 uses a wet clutch and a simple air-cooled engine. The manual book specifies the exact grade: usually depending on your climate, with a JASO MA or MA2 rating. Using car oil (which contains friction modifiers) will ruin your clutch plates. The manual tells you precisely which API and JASO standards to look for.

Don't worry. You have several options: