Yamaha Motor Co., Ltd. 5X4-11931-00-00 Push Rod Lever

Description:

The Yamaha 5X4-11931-00-00 Push Rod Lever is a mechanical linkage component used in engine governor and power valve systems. Commonly installed in Yamaha YZ125 and similar off-road motorcycles to transfer motion between the push rod assembly and governor mechanism. Maintenance teams and engine technicians use this part for repair, replacement, and restoration of worn or non-functional engine control linkages.

Applications:

The Yamaha 5X4-11931-00-00 Push Rod Lever is used in Yamaha engine governor assemblies where mechanical actuation of the push rod system is required for proper engine timing and performance control. It is commonly found in Yamaha YZ125 two-stroke motocross bikes and similar off-road motorcycles, working in conjunction with the governor shaft and push rod assembly to regulate engine response. This component is critical for maintaining proper valve timing behavior and overall engine performance.

Technical Specifications:

• Brand: Yamaha
• Part Number: 5X4-11931-00-00
• Product Type: Push rod lever
• Function: Transfers motion within engine governor/power valve system
• Application: Yamaha YZ125 and similar two-stroke engines
• Material: Hardened steel or alloy metal
• Mounting Location: Engine internal governor assembly
• Compatibility: Model-specific Yamaha off-road motorcycles
• System Integration: Works with push rod, governor shaft, and valve mechanism
• OEM Status: Genuine Yamaha replacement component

Common Replacements:

• Yamaha 3JE-11931-01-00
• Yamaha 4JY-11931-00-00
• Yamaha 3SP-11990-00-00