Yamaha 90891-50128-00 Carburetor Throttle Slide Kit

Description:

The Yamaha 90891-50128-00 Carburetor Slide Kit is a fuel system component used in Yamaha carburetor intake and throttle control systems. Commonly installed in Yamaha motorcycles and snowmobiles within carburetor assemblies for air-fuel mixture regulation. Maintenance teams and mechanics use this part for carburetor repair, rebuild, or OEM replacement to restore proper throttle response and engine performance.

Applications:

THE YAMAHA carburetor slide kit is used in carburetor assemblies to regulate airflow and fuel mixture by controlling the slide movement inside the carburetor body. It is commonly found in Yamaha motorcycles and snowmobiles used for recreational riding, utility operation, and performance tuning environments where smooth throttle response and consistent fuel delivery are critical.

Technical Specifications:

• Brand: Yamaha
• Part Number: 90891-50128-00
• Product Type: Carburetor Slide Kit
• Function: Controls airflow and fuel mixture via slide mechanism
• System Type: Carburetor / fuel intake system
• Components: Slide, diaphragm, and related internal carburetor parts (kit assembly)
• Material: Composite/plastic slide with rubber diaphragm (typical OEM design)
• Compatibility: Yamaha motorcycles and snowmobiles with carbureted engines
• Installation Location: Inside carburetor body
• Mechanical Role: Regulates throttle response and engine air-fuel ratio
• OEM Status: Genuine Yamaha part

Common Replacements:

• Yamaha 22U-14190-15-00
• Yamaha 1FK-14190-15-00
• Yamaha 3JB-14190-10-00