Yamaha Valve guide (Trumpet/Cornet/Tenor Horns)

Yamaha A0141090 Valve Guide – Replacement Part

Restore Smooth, Reliable Valve Action in Your Yamaha Brass Instrument

The Yamaha A0141090 Valve Guide is a genuine Yamaha  replacement part engineered to maintain proper piston alignment and smooth valve movement in your brass instrument. Designed for long-lasting performance, this guide fits securely into the valve casing and prevents the piston from rotating or misaligning — a common source of sticking, sluggish response, and uneven airflow. Using an authentic Yamaha part ensures exact factory tolerances for quiet, responsive valve action.

Key Benefits

• ✔️ Genuine Yamaha Part – ensures perfect fit and long-term reliability compared with generic alternatives. 

• ✔️ Restores Correct Alignment – keeps the piston centered and ports aligned for consistent tone and playability.

• ✔️ Essential Maintenance Part – ideal for routine servicing or repair work in school, marching, or professional ensembles. 

• ✔️ Easy to Install – can be fitted during regular valve maintenance by a technician or experienced player. 

Compatible Yamaha Instruments

This valve guide is widely used across Yamaha’s range of Bb trumpets, cornets, flugelhorns, and piston-valve brass instruments on student and intermediate series models. 

Examples of Compatible Models Include:

🎺 Trumpets

• YTR-1310, YTR-2320, YTR-2320S

• YTR-2330, YTR-2335

• YTR-3335, YTR-4335G/GS

• YTR-5335G/GS, YTR-6445

• YTR-8310, YTR-9335
  (many other standard Yamaha Bb trumpet models)

• YCR-2310, YCR-2330

• YCR-6330, YCR-6335

• YCR-6610, YCR-8335
  (standard Yamaha cornet instruments) 

🎺 Flugelhorns, Alto & Marching Brass

• YFH-2310, YFH-6310Z (flugelhorn)

• YAH-203 Series (alto horn)

• YMP-201/202M (marching brass) 

Why It Matters:
Over time, valve guides wear down or break, which allows the piston to rotate or sit off-center. This misalignment can compromise valve response, airflow consistency, and even tuning stability. Replacing the worn guide with a genuine Yamaha part helps restore your instrument’s optimum performance.