This document provides comprehensive technical information for the Yamaha FZ1, covering both the naked FZ1-N and the sport-touring FZ1-S Fazer variants, identified by model codes such as FZ1-N(X) and FZ1-S(X). This second-generation model, produced from 2006 to 2015 and specifically detailing the 2008 model year, is a hyper-naked/sport-touring motorcycle celebrated for its potent 998cc inline-four engine derived from the R1 superbike, an adaptable chassis, and comfortable ergonomics suitable for performance riding and longer journeys. Yamaha's legacy of innovation and reliability underpins the FZ1's design, making it a versatile machine for performance-oriented riders. This workshop service repair manual, written in English and provided in a text-searchable format, serves as an essential resource for owners and technicians. It details a wide array of critical areas including engine systems, cooling, fuel, electrical, and chassis systems, offering step-by-step procedures for maintenance, adjustment, and complex repair tasks. With over 546 pages of content, it includes comprehensive diagnostic flowcharts, troubleshooting guides, technical specifications, torque values, and hundreds of clear diagrams, ensuring that users can effectively maintain, diagnose, and repair their Yamaha FZ1 to ensure optimal performance and longevity.