2024 Yamaha BOLT R-SPEC, TOP FEATURES: Urban Performance Styling - - The Bolt R-Spec is stripped down with minimal chrome, epitomizing the Urban Performance Bobber look. The compact chassis proudly showcases the 58-cubic-inch (942cc) air-cooled 60-degree V-twin powerplant. - - Rider-Focused Engine - - The Bolt R-Spec uses Yamaha's advanced technology to create a riding experience superior to other similarly sized machines. Fuel injection and ignition timing maps have been chosen specifically for this bike to deliver class-leading performance with strong low- and mid-range torque that's sure to bring a smile to every rider s face. - - Compact, Stable Chassis - - The slim body and low seat design combine to give the Bolt R-Spec light maneuverability and a stable handling feel. The upright riding posture helps the rider feel the wind, hear the sounds and experience the pulse of the machine. - - Ready to Customize - - For riders who value making a bike their own, the options for the Bolt R-Spec are limited only by the owner s imagination. As the perfect beginning canvas for personalization, the Bolt R-Spec is the ultimate example of a motorcycle conceived and designed with owner customization in mind. - - Unique Bolt Persona - - Components such as the sculpted 3.4 gallon teardrop fuel tank, muscular blacked-out V-twin engine, distinctive 12-spoke front and rear wheels, belt drive, and steel fenders all combine to bring a hotrod Bobber style to Yamaha's Sport Heritage lineup. ENGINE: Air-Cooled V-Twin - - The 58-cubic-inch (942cc) engine is an air-cooled SOHC 60-degree V-twin with four valves per cylinder, a pent-roof shaped combustion chamber and 9.0:1 compression ratio. The engine is designed to provide excellent power and superior low-end torque. - - Low Friction Internals - - Special roller-type rocker arms with needle bearings are used to keep friction loss to a minimum, increase durability and help the engine achieve the ideal performance characteristics. - - Advanced Cylinder Design - - The pent-roof combustion chamber shape was precisely engineered to direct the fuel/air charge to the center of the piston for more efficient combustion and maximum power. Ceramic-composite plated cylinders provide excellent heat dissipation and reduced oil consumption. - - Lightweight Performance Pistons - - High-quality forged aluminum pistons have a lightweight, high-strength, compact design that contributes to reduced vibration and increased durability. - - Fuel Injection - - A sophisticated twin-bore fuel injection is used on the Bolt R-Spec to deliver strong acceleration for the ultimate in urban riding fun. Precise 3D maps for ignition timing and fuel injection enhance performance in the mid- and low-speed ranges. - - Compact Air Cleaner - - The stainless steel air cleaner cover provides a raw metal look that accentuates the Bolt R-Spec s distinctive styling. In addition, the air cleaner design provides great intake efficiency and enhance