The 2014 KTM 450 SX-F and XC-F represent the pinnacle of Austrian engineering in the competitive motocross and cross-country off-road motorcycle segments. Renowned for their high-performance four-stroke engines, advanced chassis dynamics, and race-proven reliability, these models are built to excel in demanding off-road environments. The 450 SX-F is tailored for the rigors of motocross tracks, while the 450 XC-F offers enhanced capabilities for cross-country racing. Both models embody KTM's 'Ready to Race' philosophy, delivering exceptional power, precise handling, and the durability required for professional-level competition and enthusiast riding. This comprehensive Factory Service Repair Manual provides in-depth coverage for all aspects of the 2014 KTM 450 SX-F and XC-F models. It details essential maintenance procedures, including routine service intervals for oil changes, filter replacements, and chain adjustments, alongside more involved tasks such as valve clearance checks and component wear item replacement. The manual covers extensive engine and chassis systems, from fuel injection and ignition to suspension and braking, offering step-by-step instructions for disassembly, assembly, and repair. With detailed torque specifications, troubleshooting guides, and diagnostic procedures for electrical systems and the ECU, this resource is indispensable for owners, mechanics, and technicians aiming to maintain and restore these high-performance machines to optimal condition.