Yamaha Motor Co., Ltd. BR9-12450-00-00 Impeller Shaft

Description:

The Yamaha BR9-12450-00-00 Impeller Shaft is a rotating shaft component used in Yamaha marine engine water pump and cooling systems. Commonly installed in Yamaha outboard engines within water pump and impeller drive assemblies. Maintenance teams and marine technicians use this part for cooling system repair, shaft replacement, or OEM restoration to ensure proper water circulation and engine temperature control.

Applications:

The Yamaha impeller shaft is used in marine engine cooling systems to drive the water pump impeller, circulating water through the engine to regulate temperature. It is commonly found in Yamaha outboard engines used in recreational boating, commercial marine operations, and industrial watercraft where consistent cooling flow and reliable engine operation are critical.

Technical Specifications:

• Brand: Yamaha
• Part Number: BR9-12450-00-00
• Product Type: Impeller Shaft
• Function: Drives water pump impeller for engine cooling
• System Type: Marine cooling / water pump assembly
• Material: Hardened steel shaft (corrosion-resistant treated)
• Application Area: Water pump housing / lower unit assembly
• Compatibility: Yamaha outboard engines (model-dependent fitment)
• Mechanical Role: Transfers rotational motion to impeller
• Installation Type: Precision-fit shaft within pump assembly
• OEM Status: Genuine Yamaha part

Common Replacements:

• Yamaha BR9-12450-01-00
• Yamaha 6E5-12450-00-00
• Yamaha 63V-12450-00-00