YAMAHA 3HN-2631F-00-00 Big Cable

( Manufacturer Part Number: 3HN-2631F-00-00 ), ( Type: Carburetor Intake Manifold )

Review YAMAHA Big Cable Guide fits BEAR 350 1990

The **Yamaha 3HN-2631F-00-00 1990 Big Bear 350** is a rare and highly sought-after classic outboard motor, embodying the rugged reliability and timeless engineering of Yamaha s golden era of marine propulsion. Originally designed for the legendary **Big Bear 350** fishing boat a model celebrated for its durability and performance in demanding offshore and freshwater environments the 3HN-2631F is a two-stroke, single-cylinder, air-cooled outboard that delivers a potent 35 horsepower of raw, unfiltered power. Built with a forged aluminum crankcase and a precision-machined cylinder, this motor was engineered to withstand the harshest conditions, from choppy lakes to the open ocean, making it a favorite among anglers and boaters who demand both performance and longevity. The **3HN-2631F** features Yamaha s signature **3HN** series design, known for its robust construction, including a heavy-duty lower unit with a durable bronze propeller shaft and a sealed gearcase to minimize water intrusion a critical feature for extended use in rough waters. The motor s **1990 model year** places it squarely in Yamaha s era of innovation, where refinements in fuel efficiency, throttle response, and ease of maintenance set it apart from competitors. With its **black-and-gold paint scheme** (the iconic "00-00" finish), this outboard exudes a vintage aesthetic that appeals to collectors and enthusiasts who appreciate the craftsmanship of an earlier time. Whether paired with a classic Big Bear or adapted to another compatible hull, the **3HN-2631F** remains a testament to Yamaha s legacy of building outboards that are as dependable as they are powerful, offering a blend of nostalgia and practicality for those who seek a piece of boating history with modern functionality.

The Yamaha 3HN-2631F-00-00, a 1990 Big Bear 350, is a classic 350cc outboard motor known for its durability and performance in its era. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

1. **Reliability and Durability**: Yamaha outboards from the late 1980s and early 1990s are renowned for their robust construction and longevity. The Big Bear 350 was designed for heavy-duty use, making it a dependable choice for fishing, towing, or general boating in demanding conditions.

2. **Power and Performance**: The 350cc engine delivers a respectable amount of power for its time, providing adequate thrust for medium-sized boats (typically up to 16-18 feet) and offering good acceleration. It was well-suited for its intended applications, such as fishing boats or small cruisers.

3. **Simplicity and Ease of Maintenance**: Compared to modern outboards, the Big Bear 350 has a relatively straightforward design, which can make repairs and maintenance more accessible for those with mechanical experience. Parts are still available, though sourcing them may require some effort.

4. **Low Operating Costs**: Fuel efficiency was generally better in older, smaller engines like this one compared to larger modern outboards. Additionally, the simplicity of the design means fewer components that could fail, reducing long-term expenses.

5. **Classic Appeal**: For enthusiasts who appreciate vintage machinery, this outboard has a nostalgic charm. It can be a fun project for restoration or a practical choice for those who enjoy the simplicity of older technology.

6. **Compatibility**: The 3HN-2631F-00-00 is part of Yamaha s 3HN series, which was widely used in the 1980s and 1990s. This means you ll likely find compatible parts, manuals, and even entire engines for sale, making repairs or upgrades easier.

7. **No Modern Complexity**: Unlike newer outboards with electronic fuel injection, complex diagnostics, and advanced systems, this model relies on a carbureted system and basic mechanical components. This can be an advantage for those who prefer hands-on, no-frills boating.

---

1. **Age and Wear**: The motor is over 30 years old, which means it may have significant wear and tear, especially if it hasn t been well-maintained. Rust, worn-out gaskets, and degraded components are common issues in older engines.

2. **Emissions and Environmental Concerns**: This outboard was built before modern emissions regulations, meaning it likely lacks catalytic converters, EFI, or other pollution-control features. Operating it may not comply with current environmental standards in some areas, particularly if you plan to use it in protected waterways or near urban areas.

3. **Fuel Efficiency**: While older engines can be fuel-efficient, the Big Bear 350 may not match the efficiency of modern outboards, especially when considering the cost of fuel today. It also runs on leaded fuel, which is no longer widely available and can be harder to source.

4. **Limited Power for Modern Use**: A 350cc engine may struggle to adequately power larger or heavier boats, especially if you plan to use it for high-speed cruising or towing heavy loads. It s best suited for smaller boats or light-duty applications.

5. **Parts Availability**: While parts for Yamaha outboards from this era are still available, they may not be as readily accessible as they once were. Some specialized components (e.g., carburetors, seals, or specific hardware) might require ordering from vintage parts suppliers or eBay.

6. **Maintenance Requirements**: Older engines often require more frequent maintenance to keep them running smoothly. This includes regular oil changes, spark plug replacements, and checks for leaks or corrosion. If you re not prepared to invest time in upkeep, the motor may become a liability.

7. **Resale Value**: Vintage outboards like this one typically have little to no resale value. If you decide to upgrade later, you ll likely lose money on the sale of the Big Bear 350.

8. **Noise and Vibration**: Older outboards can be noisier and more vibration-prone than modern models, which may affect your comfort during use. This is particularly noticeable in smaller boats where engine noise is more pronounced.

9. **Legal Restrictions**: Some marinas, lakes, or state parks may have restrictions on older outboards due to emissions or noise concerns. Always check local regulations before purchasing or using this motor.

10. **Learning Curve**: If you re not familiar with carbureted engines or older Yamaha outboards, there may be a learning curve involved in operating, maintaining, or troubleshooting the motor. This could be frustrating if you re not mechanically inclined.

---

The Yamaha 3HN-2631F-00-00 Big Bear 350 is a solid choice if you re looking for a reliable, no-nonsense outboard for light-duty boating, fishing, or a project restoration. Its durability, simplicity, and classic appeal make it attractive to enthusiasts who appreciate vintage machinery. However, its age, emissions concerns, limited power, and maintenance demands mean it s not ideal for modern high-performance boating or heavy-duty use.

If you re comfortable with the challenges of owning an older engine such as sourcing parts, performing regular maintenance, and potentially dealing with emissions restrictions this outboard can be a great addition to your boat. On the other hand, if you prioritize convenience, efficiency, and compliance with current regulations, a newer outboard with modern features may be a better investment.

---

- You re an enthusiast who enjoys restoring or maintaining classic machinery.

- You have a small to medium-sized boat (under 18 feet) and plan to use it for fishing, cruising in calm waters, or light-duty tasks.

- You re prepared to invest time in upkeep, including regular maintenance, potential repairs, and sourcing parts.

- You don t mind operating an older engine and are okay with its limitations (e.g., noise, emissions, fuel type).

- You find the nostalgic or mechanical appeal of the motor appealing over modern convenience.

- You need a high-performance or fuel-efficient outboard for larger boats or heavy loads.

- You prioritize low maintenance and modern features like electronic diagnostics or emissions compliance.

- You plan to use the motor in areas with strict environmental or noise regulations.

- You re not mechanically inclined or don t have the time to dedicate to maintenance and repairs.

- You re looking for a long-term investment with resale value or modern reliability.

If you re unsure about committing to an older outboard, consider a slightly newer used Yamaha model (e.g., from the late 1990s or early 2000s) that still offers good power and reliability while being more modern in design. Alternatively, if you re open to spending more upfront, a newer outboard with EFI and emissions compliance would be a more practical choice for most boating needs.

Details:

Removed From: 1990 Yamaha Big Bear 350 YFM350FW 4x4, Please review all pictures to assess the condition of item. Fitment, THE PART OFFERED IN THIS LISTING WILL FIT model's LISTED COMPATABILITY CHART ABOVE BASED ON ITEMS NUMBER. Engines Transmissions. 1990 YAMAHA BIG BEAR 350 CABLE GUIDE 3HN-2631F-00- This cable guide is in good condition and shows normal signs of use.

part #: 3hn2631f0000 prices

• $13.99-$19.95

specifications carbthrotatv:

• for models: 350, Bear
• for makes: Yamaha
• for years: 1990
• mpn: 3hn-2631f-00-00
• type: Carburetor Intake Manifold

shipping carbthrotatv:

• transit: 3-7 Days
• cost: $0.00
• service: Standard
• class: Standard
• type: Fixed

payments carbthrotatv:

• other
• wallet: Apple-pay
• credit card: Visa

general carbthrotatv:

• condition: Used
• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors

returns carbthrotatv:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

seller carbthrotatv:

• # reviews: 778
• city: Coral, Pennsylvania
• rating: 99.7%

offer carbthrotatv:

• best offers: True
• sold: 0
• started: March 2, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

Yamaha 3HN-2631F-00-00 Is Similar To:

• 15pvat Maxpeedingrods Carburetor For Yamaha Big Bear Bin (31.5% similar) For yamaha ATV Kodiak 400 2WD 4WD 450 4X4 wolverine 350 2X4. For yamaha grizzly 350 2X4 4X4. 1ST at 4:30AM APR. 1x throttle base rubber gasket. Including: 1x carburetor. If you paid item shipped on est. Favorite home promotion sales hot deal product title performance carburetor carb for yamaha FM ...(September 26th, 2018)
• 19038u Universeparts Carburetor Carb For Yamaha Big Bear Grizzly 612292120429 (27.9% similar) Part: 19038U prices...(March 13th, 2018)
• 1bsxnt Maxpeedingrods Fit Yamaha Big Bear Carburetor Yfm Carb Perfect (36.4% similar) Yamaha grizzly 350 2X4 4X4. 2ND at 5:00AM APR. 7TH after APR. How much does delivery cost and long will it take. If you paid item shipped on est. Yamaha ATV Kodiak 400 2WD 4WD 450 4X4 wolverine 350 2X4. Yamaha grizzly 450 4X4. 1ST at 4:30AM APR. 1x throttle base rubber gasket. Yamaha bruin 250 FM 1x...(April 17th, 2018)
• 1hubtz Maxpeedingrods Carburetor For Yamaha Yfm Big Bear Carb Tct (37.6% similar) Including: 1x carburetor. Yamaha grizzly 350 2X4 4X4. 1ST at 5:00AM APR. 2ND at 5:00AM APR. Yamaha big bear 400 FM 2X4 4X4 bruin 250 7TH after APR. 1x throttle base cover. 1x throttle cable clip. Favorite performance carburetor carb for yamaha FM 400 big bear 2X4 tact 2007 fit for: 250 4X4. 1x ...(April 4th, 2018)
• 39jta2 Maxpeedingrods Fit Yamaha Big Bear Carburetor Yfm Wolverine Bin (37.7% similar) 1ST at 5:00AM APR. 1x throttle base cover. If you paid item shipped on est. Including: 1x carburetor. Yamaha big bear 400 2WD 4WD YFM400 bruin 250 FM ATV Kodiak 450 4X4 wolverine 350 2X4. Yamaha grizzly 350 2X4 4X4. Yamaha grizzly 450 4X4. 2ND at 5:00AM APR. How much does delivery cost and long will...(March 20th, 2018)
• 3hn-14101-01-00 Yamaha Big Bear 1994-1998 (34.4% similar) Economises Sir le pix Du transport, Velez Church vows pi Ce's treatment nitre boutique Bonneville, Que Beck, Canada. May fit other years model's, do your research first...(October 25th, 2017)
• 3xh054 Maxpeedingrods Fit Yamaha Big Bear Carburetor Yfm Carb Perfect (36.4% similar) If you paid item shipped on est. 1ST at 5:00AM APR. 7TH after APR. Please simply via messages, and then, will get back to you as soon possible. For yamaha grizzly 450 4X4. Including: 1x carburetor. For yamaha grizzly 350 2X4 4X4. How much does delivery cost and long will it take. For yamaha 2000 ...(October 15th, 2018)
• 4wu-14901-20-00 Mikuni Yamaha Big Bear (33.3% similar) I was looking to replace it with a new one, especially after the other guys got and fixed, but I'm glad saved your listing just in case. Quad fired right up and no load throttle response was excellent. Don't want to risk buying questionable parts anymore. No disappointing surprises here. Before, it ...(April 28th, 2017)
• 556452473539 Catinbow New Carburetor For Yamaha Big Bear (27.8% similar) 40 inch external diameter of air intake: 50. Thanks in advance for your patience...(June 16th, 2018)
• 57xrb9 Maxpeedingrods Performance Carburetor Carb For Yamaha Yfm Big Bear (27.2% similar) 2ND at 5:00AM APR. 1x throttle cable clip. 1ST at 5:00AM APR. 2X4 4X4 for yamaha grizzly 350. For yamaha grizzly 450 4X4. Favorite search. 7TH after APR. For yamaha bruin 250 FM 350. Including: 1x carburetor. FAQ carburetor for yamaha FM 400 big bear 2007 carb fit for: 250 2X4 4X4. For yamaha ...(May 7th, 2018)
• 5fu-14101-01-00 Yamaha Big Bear 400 (39.1% similar) Fix or parts. We race and ride. Guarantee all parts except those below have a 30-DAY...(August 19th, 2017)