Yamaha YTR-1335 Main Tuning Slide (No Water Key) – A1K30100

Replacement main tuning slide assembly for the Yamaha YTR-1335 Bb trumpet.
This is a genuine Yamaha factory part (OEM), supplied as a complete main tuning slide with braces, ready to install. It is the version without a water key, which keeps the airflow through the slide uninterrupted and slightly reduces weight. 

The YTR-1335 is Yamaha’s well-known student / advancing student Bb trumpet: medium weight build, medium-large (ML) bore around 11.65 mm (0.459"), and a gold lacquer finish. It’s widely used in schools and wind bands because it’s reliable, responsive, and easy to play. 
If the original main slide is bent, leaking, stuck, or dented, this part lets you restore tuning stability and intonation without replacing the whole instrument.

Key Features

• Direct fit for Yamaha YTR-1335
  Made for the Yamaha YTR-1335 / YTR1335 trumpet family, so alignment and bore match the original factory build. No modification or soldering needed. 

• Complete main tuning slide assembly
  Supplied as a full slide assembly (crook plus inner/outer legs and braces), not just a single tube section.

• No water key design
  This version has no main-slide water key (spit valve). That means less hardware on the slide, slightly lower weight, and uninterrupted tubing for a smoother air column. Players and techs often prefer this style for a more consistent blow and fewer points that can leak. 

• Matches Yamaha finish
  Built to match the lacquered yellow brass look of the standard YTR-1335, so the horn still looks uniform after repair. The YTR-1335 range is supplied in gold lacquer over yellow brass. 

• Genuine Yamaha OEM part
  This is an original Yamaha spare, not an aftermarket copy. Using OEM hardware helps keep the horn sealing, centring pitch, and responding the way Yamaha intended. 

Why Choose This Part

A main tuning slide takes a lot of day-to-day knocks: it’s the first thing to dent if the trumpet is dropped, and any bend or air leak here will mess with tuning across the whole instrument.

Swapping in a fresh OEM slide:

• Brings the horn back into proper tuning range and intonation.

• Fixes air leaks from worn solder joints or a damaged water key assembly (this version removes that weak point entirely). 

• Is far cheaper and faster than sourcing a new trumpet, especially for school horns and rental stock.

Supplied by Ev-Entz Music, an independent, family-run brass and woodwind specialist in South Wales, so you’re not guessing if it fits — this is the correct Yamaha slide for the YTR-1335.

Specifications

• Part name: Main tuning slide assembly (without water key)

• Instrument compatibility: Yamaha YTR-1335 / YTR1335 Bb Trumpet (medium-weight student / advancing student model, ML bore ~11.65 mm / 0.459") 

• Manufacturer: Yamaha (Yamaha Music Europe GmbH) 

• Manufacturer Part / SKU: A1K30100 

• Finish / material: Lacquered yellow brass to match stock YTR-1335 trumpet finish 

• Water key: None (no spit valve installed on the crook) 

• Supplied as: 1x complete tuning slide assembly

• Approx. packaged weight: ~0.30 kg