Yamaha YTR-8310ZII Bb Trumpet Overview

The Yamaha YTR-8310ZII Custom Z Bobby Shew II is a professional Bb trumpet designed in collaboration with jazz legend Bobby Shew to deliver high efficiency across styles, from lead playing to ballads. Introduced as the next evolution of the original Custom Z concept that debuted in 2001, the YTR-8310ZII pairs a lightweight build and step-bore design with updated engineering in the leadpipe and valve casing to provide comfortable resistance, quick response, and a brilliant, focused sound that translates easily from club dates to studio work.

Yamaha YTR-8310ZII Bb Trumpet Specifications

• Key: Bb
• Model: YTR-8310ZII Custom Z Bobby Shew II
• Bore size: Step bore 11.3mm (0.445")
• Bell diameter: 127mm (5")
• Valve Section: 3 piston valves with precise valve casing design; two-piece valve casing
• Leadpipe: Updated leadpipe design
• Hardware: New valve caps, buttons, and stems
• Stopper Screw: Longer stopper screw for increased stability and high-register playability
• Finish: Gold epoxy lacquer
• Case: Yamaha TRC-801E case
• Accessories: Bobby Shew Jazz Signature Series mouthpiece, valve oil, cleaning cloth

Condition & Setup

This instrument is brand new and includes the full 5-year Yamaha manufacturer's warranty. As an authorized Yamaha dealer, we ship the instrument securely and it is inspected and play-tested to confirm proper function before it leaves our shop.

Who the YTR-8310ZII Bb Trumpet Is For

The YTR-8310ZII is a professional Bb trumpet built to give players one efficient instrument that can cover both powerful lead work and softer, mellow ballad playing. Developed through Yamaha's long-standing partnership with Bobby Shew, it is designed for jazz and commercial players who want a trumpet with quick response, a solid tonal core, and the ability to project clearly without feeling overly stiff.

What distinguishes the YTR-8310ZII within Yamaha's pro lineup is how its design updates target real playing demands: an updated leadpipe and piston pads for easy response and smooth action, a two-piece valve casing that adds strategic mass for a more powerful tone, and revised valve caps, buttons, and stems that help fine-tune balance between tone and projection. The step-bore concept supports comfortable resistance and efficiency in a wide range of settings, from the jazz club stage to the recording studio.

Common Questions About the Yamaha YTR-8310ZII

What kind of music is the Yamaha YTR-8310ZII best suited for?

The YTR-8310ZII is designed for jazz and commercial playing, including lead trumpet work, section playing, and studio sessions. Its step-bore design and updated leadpipe aim to keep the blow efficient while supporting both projection and softer lyrical playing.

What does the step-bore design do on the YTR-8310ZII?

The step-bore design is intended to maximize efficiency while providing comfortable resistance. In practical terms, it helps the instrument respond quickly and maintain stability across dynamics and registers.

Is this Yamaha YTR-8310ZII covered by a warranty?

Yes. This trumpet is brand new and includes the full 5-year Yamaha manufacturer's warranty.

We are proud to be an authorized Yamaha dealer