Simple to use, spill-proof alternative to mercury synchronizers Can be used with two, three, or four cylinder motorcycles With its sealed design, it does not need to be kept vertical to avoid spillage and can be laid flat when not in use Can be stored inside the ABS body of the tool Hoses, liquid, 5 mm adapters to fit most Honda, Suzuki models and instructions are included. Most Kawasaki models do not need adapters. There are provisions for storage of the adapters inside the tool body, keeping all the essential parts in one place Yamaha adapters, ZZ37430, sold separately