Did all 1999 Harley Davidson Softails come with the Evolution motor?

Yes, all 1999 Harley Davidson Softails came with the Evolution engine. The Softail line-up for 1999 included five models: Custom, Heritage Springer, Night Train, Standard and Fat Boy. All of these models were powered by the Evolution engine, which had been in production since 1984 and was known for its reliability and durability.