MERCURY 258-818354 Flywheel Ring Gear Manual Start

( Manufacturer Part Number: 258-818354 ), ( Type: Flywheel )

Review MERCURY Flywheel Without Ring Gear Manual Start

Introducing the Mercury 258-818354 Flywheel Ring Gear for Manual Start Marine Engines, a high-performance and durable component designed to ensure smooth and efficient operation of your engine.

This flywheel ring gear is specifically engineered for Mercury 258 series manual start marine engines. It is manufactured using the highest quality materials to ensure a long-lasting and reliable performance. The ring gear is made from strong, heavy-duty steel that can withstand the rigors of continuous marine use.

The Mercury 258-818354 Flywheel Ring Gear features a precise tooth design that provides excellent engagement with the engine's crankshaft. This results in efficient power transfer and minimal power loss, ensuring optimal engine performance. The tooth design is also engineered to resist wear and tear, providing long-lasting durability.

The flywheel ring gear is designed to be easy to install, making it a convenient and straightforward upgrade for your marine engine. It comes with clear installation instructions to ensure a hassle-free installation process. The gear has a standard 1.25-inch (32mm) bolt pattern, making it compatible with a wide range of marine engines.

The Mercury 258-818354 Flywheel Ring Gear is an essential component for any marine engine, especially for those used in high-load applications. It ensures reliable starting, smooth engine operation, and efficient power transfer. Whether you are an avid fisherman, a weekend cruiser, or a commercial operator, this flywheel ring gear is the ideal solution for your manual start marine engine.

In summary, the Mercury 258-818354 Flywheel Ring Gear for Manual Start Marine Engines is a high-quality, durable, and efficient component designed to provide optimal engine performance and reliability. It is an essential upgrade for any marine engine used in high-load applications, ensuring smooth engine operation and efficient power transfer.

Mercury 258-818354 Flywheel Ring Gear: A Manual Start Option for Outboard Motors

The Mercury 258-818354 Flywheel Ring Gear is a crucial component for manual start outboard motors. This part connects the engine crankshaft to the flywheel, allowing the engine to be started manually using a pull-start rope. In this text, we will discuss the pros and cons of buying this Mercury flywheel ring gear to help you make an informed decision.

1. Durability: The Mercury flywheel ring gear is known for its robustness and ability to withstand the rigors of frequent use in marine environments. It is manufactured from high-quality materials, ensuring long-lasting performance.

2. Easy Installation: This part is relatively easy to install, making it a suitable option for DIY enthusiasts. The installation process typically involves removing the old ring gear, cleaning the engine surface, and securing the new ring gear in place using the appropriate bolts and seals.

3. Improved Starting Performance: A worn-out or damaged flywheel ring gear can result in poor starting performance or even engine failure. By replacing the old part with a new Mercury 258-818354 Flywheel Ring Gear, you can enjoy smoother, more reliable engine starts.

4. Cost-Effective: Compared to the cost of a new outboard motor or even a rebuild, purchasing a Mercury flywheel ring gear is a cost-effective solution for those dealing with starting issues or looking to restore an older outboard motor.

1. Potential for Damage: Manual starting an outboard engine can put additional stress on the flywheel ring gear, potentially leading to damage if not handled carefully.

2. Complex Repair Process: While the installation process is relatively straightforward, diagnosing the cause of starting problems can be complex. It may require the assistance of a professional mechanic to determine if the flywheel ring gear is indeed the culprit.

3. Availability: Depending on your location and the availability of parts suppliers, it might take some time to source and receive the Mercury 258-818354 Flywheel Ring Gear.

The Mercury 258-818354 Flywheel Ring Gear offers a reliable and cost-effective solution for those dealing with starting issues on their manual start outboard motor. Its durability and ease of installation make it an attractive option for both DIY enthusiasts and professional mechanics. However, potential damage from manual starting and the complexity of diagnosing starting problems are important considerations.

If you're experiencing starting issues with your manual start outboard motor and have determined that the flywheel ring gear is the likely cause, we recommend purchasing the Mercury 258-818354 Flywheel Ring Gear. Ensure you have the necessary tools and knowledge to install the part safely and efficiently. If you're unsure about the diagnosis or installation process, consider seeking professional assistance to avoid potential damage to the engine or injury to yourself.

Details:

The product is a Mercury flywheel without ring gear, specifically designed for manual start. Taken from 1998 2-stroke outboard, but shall fit many other model's. The flywheel, with the OE/OEM Part Number 258-818354.

part #: 258818354 prices

• $65.00-$449.95

specifications flwheflepla:

• for makes: Mercury
• mpn: 258-818354
• type: Flywheel

returns flwheflepla:

• policy: No Returns

payments flwheflepla:

• money order
• other
• wallet: Google-pay
• credit card: Discover

offer flwheflepla:

• options: Ship-to-home
• quantity: 1
• best offers: True
• sold: 0
• started: March 24, 2026
• availability: In Stock

general flwheflepla:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Flywheels Flexplates

shipping flwheflepla:

• transit: 4-8 Days
• cost: $7.52
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated
• class: Standard

seller flwheflepla:

• city: Mukilteo, Washington
• # reviews: 167
• rating: 100.0%

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