99% yes. Yamaha did not change the engine or chassis significantly. However, the 2013+ models received updated ECU mapping and different O2 sensor connectors. If you have a 2014, buy a 2013–2015 specific manual if possible.
You can purchase a digital download directly from Yamaha for approximately $90. This is the best option—searchable PDF, no viruses, and lifetime access. Yamaha Fz8 Service Manual