GOOFIT
Starter Motor for Yamaha F40, Mercury 30HP/40HP & Parsun | OEM 67C-81800-02
Starter Motor for Yamaha F40, Mercury 30HP/40HP & Parsun | OEM 67C-81800-02
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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.
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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.
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Fitment FAQ
Will this part fit my specific model and year?
This starter motor is intended for 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.. It is best matched to original part number(s) 67C-81800-02, 67C-81800, 50-854636, 67C-81800-00. Key physical/spec details from the product data include Mounting Hole Spacing: 72mm (2.83")., Total Unit Length: 228mm (8.98")., 30HP. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. Match your original part number to 67C-81800-02, 67C-81800, 50-854636, 67C-81800-00 before purchase. For this starter motor, also compare the OEM number, voltage, tooth count, rotation direction, mounting ears, bolt spacing, terminal type, and overall length. This is especially important for Yamaha/Mercury F40 models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this starter motor for machines outside the listed compatibility, or for units with different tooth counts, CW/CCW rotation, mounting ears, terminal locations, or voltage ratings. If your original part number does not cross-reference with 67C-81800-02, 67C-81800, 50-854636, 67C-81800-00, treat the fitment as unconfirmed. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the OEM number, voltage, tooth count, rotation direction, mounting ears, bolt spacing, terminal type, and overall length. Confirm OEM/cross-reference number(s): 67C-81800-02, 67C-81800, 50-854636, 67C-81800-00. Recheck listed specs such as Mounting Hole Spacing: 72mm (2.83")., Total Unit Length: 228mm (8.98")., 30HP. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.