Yamaha Motor Company 8Y3-81800-50-00 Starter Motor

Description:

The Yamaha 8Y3-81800-50-00 Nippondenso Starter Motor is an electric starting motor used in Yamaha snowmobile engine starting systems. Commonly installed in Yamaha Phazer, VK540, Venture, and VMAX snowmobiles within engine ignition and starting assemblies. Maintenance teams and technicians use this part for engine start failure repair, replacement, or OEM electrical system restoration.

Applications:

THE YAMAHA starter motor is used in snowmobile engine starting systems, converting electrical energy into mechanical rotation to crank the engine for ignition. It is commonly found in Yamaha snowmobiles used in trail riding, utility transport, and cold-weather industrial environments where reliable engine startup is critical for operation in remote and low-temperature conditions.

Technical Specifications:

• Brand: Yamaha / Nippondenso
• Part Number: 8Y3-81800-50-00
• Cross Reference: 128000-1430
• Product Type: Starter Motor Assembly
• Function: Electric engine starting (cranking motor)
• Voltage Type: 12V DC (standard powersports system)
• Motor Type: Electric, carbon brush design
• Rotation: Counterclockwise (typical configuration)
• Gear Teeth: 9T starter gear
• Application Range: Yamaha snowmobiles (Phazer, VK540, Venture, VMAX series)
• OEM Status: Genuine Yamaha part or direct replacement
• Replacement Note: Superseded by 8BB-81800-02-00

Common Replacements:

• Yamaha 8BB-81800-02-00
• Yamaha 8V3-81800-00-00
• Yamaha 8BB-81800-01-00