Starter Motor for Yamaha F40, Mercury 30HP/40HP & Parsun | OEM 67C-81800-02

GOOFIT Marine-Grade Outboard Starter – Yamaha & Mercury 4-Stroke Series

Don’t get stranded on the water. The GOOFIT High-Performance Marine Starter is a premium-grade replacement specifically designed for 30HP and 40HP outboard engines. Built to meet or exceed Yamaha 67C-81800 and Mercury 50-854636 specifications, this motor is engineered to handle the unique demands of marine ignition, ensuring your boat fires up instantly even in cold or humid conditions.

Marine environments are brutal on electrical components. That is why this motor is constructed with superior corrosion and wear resistance. Featuring a specialized sealed housing and high-conductivity internals, it is designed to resist salt spray and moisture, significantly reducing the risk of failure when you are miles from the dock.

Product Compatibility

This motor is a direct bolt-on replacement for the following outboard engines:

• Yamaha Outboards: F40 Series.
• Mercury Marine: 30HP and 40HP 4-Stroke Outboards.
• Parsun / HDX: F40 Models.
• OEM Cross-Reference:
  Yamaha: 67C-81800-00, 67C-81800-01, 67C-81800-02
  Mercury: 50-854636, 854636T, 859170T, 884045T, 888160T, 893887T.
  Sierra: 18-6438.

Key Technical Specifications:

• Mounting Hole Spacing: 72mm (2.83").
• Total Unit Length: 228mm (8.98").
• Application: 12V Marine Systems.
• Build Quality: Marine-grade coating for saltwater protection.

Why Choose the GOOFIT Marine Outboard Starter?

• Saltwater Resilience: Unlike standard motorcycle starters, this unit features a specialized exterior coating and sealed gaskets to prevent internal rust and oxidation caused by marine environments.
• High-Torque Cranking: Optimized for the compression of 30-40HP 4-stroke cylinders, providing the rapid rotation required for fuel-injected and carbureted outboards to start on the first turn.
• Heavy-Duty Internal Components: Equipped with reinforced brushes and a high-load armature to handle the long cranking cycles sometimes required after the engine has been sitting for the off-season.
• Precision Fitment: Designed as a drop-in replacement with the exact 72mm mounting footprint of the factory Yamaha and Mercury units for a fast, hassle-free installation.