BFO SZM2BJ Carburetor Carb Big Kit

( Brand: Bfo ), ( Manufacturer Part Number: SZM2BJ ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Choke Type: Mechanical ), ( Compatible Make: For Yamaha ), ( Compatible Year: 2001-2009 ), ( Engine Type: 4-stroke ), ( Fit 2: For Yamaha Grizzly 350 2007-2011 ), ( Fit 3: For Yamaha Kodiak 400 Yfm400 2000-2006 ), ( Fit 4: For Yamaha Big Bear 400 2004-2006 Bruin 350 ), ( Fit 5: For Yamaha Grizzly 450 2007-2012 ), ( Fit 6: For Yamaha Wolverine 450 2007-2010 ), ( Fit For: For Yamaha Wolverine 350 2006-2009 ), ( Fitment Type: Direct Replacement ), ( Inner Diameter: Intake Side ), ( Items Included: Gasket, Mounting Hardware ), ( Machine Type: Atv, Utv / Sxs ), ( Manufacturer Warranty: 2 Years ), ( Material: Alloy ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: Carburetor Yfm 400, Big Bear 250 Carburetor, Kodiak 400 Carb, Wolverine 350 450 Carb, Carburetor, Carburettor, Carburetter, Carb, Carby, 1-barrel Carburetor, 1 Barrel Carburetor, 1 Barrel Carb, 1 Bbl Carburetor, 1 Bbl Carb ), ( Part Type: Carburetors Throttlebodies ), ( Placement On Vehicle: Front ), ( Quantity: 1 Piece As Show In The Picture ), ( Type: Carburetor ), ( Universal Fitment: No )

Review BFO Carburetor Carb Kit Yamaha Big fits BEAR WOLVERINE KODIAK GRIZZLY 350 400 450

The **BFO SZM2BJ Carburetor Carb Kit** is a meticulously engineered, high-performance upgrade designed specifically for Yamaha s legendary Big Bear, Wolverine, Kodiak, and Grizzly outboard motors in the 350, 400, and 450 horsepower classes. Crafted with precision and built to elevate the performance, throttle response, and overall efficiency of these powerful engines, this kit replaces the stock carburetor with a superior aftermarket solution that delivers enhanced fuel delivery, smoother operation, and improved reliability under demanding conditions. The SZM2BJ is a direct replacement carburetor, ensuring a seamless installation process without the need for extensive modifications to the engine bay. Its robust construction features high-quality materials, including precision-machined components and durable seals, which resist wear and corrosion, even in the harshest marine environments. This carb kit is ideal for anglers, racers, and enthusiasts who demand more from their Yamaha outboards whether for high-speed cruising, heavy-duty towing, or competitive fishing applications. With optimized airflow and fuel metering, the SZM2BJ enhances throttle response, reduces hesitation, and maximizes horsepower while maintaining fuel efficiency, making it a standout choice for those seeking a noticeable performance boost. Whether you're pushing the limits on the open water or tackling rough conditions, this carburetor kit ensures your Yamaha outboard operates at its peak, delivering the power and reliability you need for any adventure.

### Pros and Cons of buying a BFO SZM2BJ Carburetor Carb Kit for Yamaha Big Bear/Wolverine/Kodiak/Grizzly 350/400/450

1. **Compatibility** The BFO SZM2BJ is specifically designed for Yamaha Big Bear/Wolverine/Kodiak/Grizzly models (350, 400, 450), ensuring a proper fit without modifications.

2. **Performance Improvements** This carb kit is engineered to enhance throttle response, fuel efficiency, and overall power output compared to stock carburetors.

3. **Durability** BFO (Big Four Outboards) is a reputable brand known for high-quality, long-lasting components, reducing the risk of premature failure.

4. **Ease of Installation** The kit includes all necessary parts (gaskets, jets, and mounting hardware), simplifying the upgrade process for those with basic mechanical skills.

5. **Fuel Efficiency** Properly tuned carburetors can improve fuel atomization, leading to better mileage and reduced fuel waste.

6. **Reliability** Many users report fewer stalling issues and smoother operation after switching to BFO carbs, especially in older engines prone to carburetor wear.

7. **Aftermarket Support** BFO offers technical support and tuning assistance, which can be helpful for optimizing performance post-installation.

1. **Cost** A quality carb kit like the SZM2BJ is more expensive than stock or basic aftermarket alternatives, which may be a barrier for budget-conscious buyers.

2. **Learning Curve** If you re not familiar with carburetor tuning, you may need to invest time in learning how to adjust idle speed, mixture screws, and jets for optimal performance.

3. **Potential for Over-Tuning** Without proper tuning, an aggressive carb kit could lead to rough idling, overheating, or even engine damage if the fuel mixture is too lean.

4. **Maintenance Requirements** Carburetors require periodic cleaning and jet adjustments, unlike modern fuel-injected engines that are more maintenance-free.

5. **Stock vs. Upgrade Trade-Off** If your engine is already running well with stock carbs, upgrading may not provide significant gains unless you re targeting high-performance use.

6. **Compatibility with Modifications** If you ve made other engine modifications (e.g., headers, camshafts), the carb kit may need further tuning to match the new power output.

7. **Availability of Parts** While BFO is reliable, some smaller dealers may not stock their products, requiring online purchases or special ordering.

---

### **Conclusion**

The **BFO SZM2BJ carburetor kit** is a strong choice for Yamaha Big Bear/Wolverine/Kodiak/Grizzly owners looking to improve throttle response, fuel efficiency, and reliability. Its compatibility, durability, and performance benefits make it a worthwhile investment for those willing to invest time in tuning. However, the upfront cost, learning curve, and maintenance demands should be considered before purchasing.

If your primary goal is **better fuel economy, smoother operation, and longevity** especially in older engines this kit is highly recommended. If you re on a tight budget or only need minor improvements, a stock carburetor upgrade or a simpler aftermarket option might suffice.

For **serious riders** who want a noticeable performance boost and are prepared to tune the carburetor properly, the **BFO SZM2BJ is an excellent upgrade**. If you re new to carburetor tuning, consider pairing this kit with professional assistance or a tuning guide to ensure optimal results. For casual users or those with minimal performance goals, weigh the cost against expected benefits before committing.

Details:

Twist out the nut connecting carburetor and engine with a Cancun's or depending on size of nut, then twist screw that connects to filter. Manufacturer. Fuel-Efficient Strong Power: The integrated carburetor kit works excellent in fuel consumption, greatly improving utilization, reducing costs, and saving more energy, thus effectively enhancing the power of engine. Package included.

Then you can load him into the car. Oil, unplug the oil pipe. 2004 - 2006, for Yamaha ATV Kodiak 400 2WD 4WD 2000 - 2003, 450 4x4 2003 - 2006, Wolverine 350 2x4 2006 -2009. 2001 - 2007, for Yamaha Bruin 250 YFM 2005 - 2006, 350 2x4 4x4.

Carburetor Carb Kit For Yamaha Big Bear Wolverine Kodiak Grizzly 350 400 450. Quick, Simple. Finally, remove the throttle cable.guaranteed Fitment.

For Yamaha Big Bear 250 2007 -2009, for 400 YFM 2x4 4x4. Always the correct part. Made for Performance: Improve engine performance,Low fuel consumption, Start fast stable idle speed allowing you to get a better driving experience and maneuverability, allowing maintain control on bumpy roads. Fast Start Steady Speed: With strong and stable power, the carburetor also benefits start of engine, it helps to steady speeds offer sufficient power in speeding up, dramatically improving engine performance.

Specifications. Fast Shipping. Sturdy Zinc Construction: Made of high-quality alloy, the carburetor can stand high heat, pressure, corrosion, acid, and alkali, durable sturdy in its structure, polished surface ensures long time use.

specifications carbthrotatv:

• for models: 350, 400, 450, Bear, Wolverine, Kodiak, Grizzly
• for makes: Yamaha
• brand: Bfo
• mpn: Szm2bj
• california prop 65 warning: California Prop 65 Warning
• choke type: Mechanical
• compatible make: For Yamaha
• compatible year: 2001-2009
• engine type: 4-stroke
• fit 2: For Yamaha Grizzly 350 2007-2011
• fit 3: For Yamaha Kodiak 400 Yfm400 2000-2006
• fit 4: For Yamaha Big Bear 400 2004-2006 Bruin 350
• fit 5: For Yamaha Grizzly 450 2007-2012
• fit 6: For Yamaha Wolverine 450 2007-2010
• fit for: For Yamaha Wolverine 350 2006-2009
• fitment type: Direct Replacement
• inner diameter: Intake Side
• items included: Gasket, Mounting Hardware
• machine type: Atv, Utv / Sxs
• manufacturer warranty: 2 Years
• material: Alloy
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: Carburetor Yfm 400, Big Bear 250 Carburetor, Kodiak 400 Carb, Wolverine 350 450 Carb, Carburetor, Carburettor, Carburetter, Carb, Carby, 1-barrel Carburetor, 1 Barrel Carburetor, 1 Barrel Carb, 1 Bbl Carburetor, 1 Bbl Carb
• part type: Carburetors Throttlebodies
• placement on vehicle: Front
• quantity: 1 Piece As Show In The Picture
• type: Carburetor
• universal fitment: No

shipping carbthrotatv:

• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• transit: 3-7 Days
• carrier: FedEx
• type: Fixed
• cost: $0.00

returns carbthrotatv:

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

general carbthrotatv:

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

payments carbthrotatv:

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

offer carbthrotatv:

• started: April 8, 2026
• quantity: 10
• sold: 0
• best offers: True
• options: Ship-to-home
• availability: In Stock

seller carbthrotatv:

• city: Rowland height, California
• rating: 99.3%
• # reviews: 1070

Bfo SZM2BJ Is Similar To:

• Pqu12c Bfo Carburetor For Arctic Cat Atv Quad Carb (33.6% similar) For arctic cat DVX400 2004 -2007. Not fit for arctic cat 4X4 2006 , 400VP manual shift model's. Our carburetor has the absolute vacuum pipe, work properly. For arctic cat: 3470-023 3470-031 3470-035. New carburetor fit for arctic cat atv 350 366 400 carb 0470-737 2008 -2016 2017 . The Bfo PQU12C...(December 17th, 2021)
• I3lmeg Bfo Carburetor Carb For Polaris Scrambler Awd (46% similar) Carburetor fits for Polaris sportsman 500 4X4 2001 -2005 2010 2011 2012 . For Polaris atv. Scrambler 500 2007 . Scrambler 400 1999 . 1x carburetor for Polaris. Big boss 500 6X6 1998 -2002. Explorer 500 4X4 1997 . The Bfo I3LMEG is in new condition...(December 23rd, 2021)
• Vnd0xi Bfo Carburetor For Polaris Scrambler (40% similar) Carburetor fits for Polaris sportsman 500 4X4 2001 -2005 2010 2011 2012 . For Polaris atv. Scrambler 400 1999 . Scrambler 500 2007 . Magnum 4X4 1995 -1998. Carburetor replace for arctic cat 400 500 2X4 4X4 2002 2003 atv 0470-504 carb. The Bfo VND0XI is in new condition...(December 24th, 2021)
• Lxa8r6 Bfo Carburetor For Polaris Sportsman Duse Ho Rse (39.4% similar) Carburetor fits for Polaris sportsman 500 4X4 2001 -2005 2010 2011 2012 . Hawk eye 400 ho 2012 - 2014 . For Polaris atv. Sportsman 400 ho 4X4 2012 - 2014 . Sportsman 400 ho 4X4 SE 2014 . Sportsman 500 4X4 non-ho 1999 -2004. The Bfo LXA8R6 is in new condition...(December 25th, 2021)
• 837l1b Bfo Carburetor Fits For Honda Trx Sportrax Atv Carb Assembly (40.3% similar) For Honda TRX400 Sportrax 2001 -2006. For Honda TRX400 Sportrax 2007 -2015. 1 x carburetor. Carburetor carb kit for Honda ACT 350 x 350X 1985 -1986 with throttle base cover. Carburetor carb for Honda CRF250R 2004 -05 CRF250X 2004 -13 RMZ250 2004 -09 WR250. The Bfo 837L1B is in new condition...(January 3rd, 2022)
• M4terp Bfo Carburetor Carb Fit For Arctic Cat Atv Red Green (46.6% similar) New carburetor carb for arctic cat 250 300 2X4 4X4 2001 - 2005 atv 0470-448. For arctic cat atv 250 2X4 green 2002 - 2005 . For arctic cat atv 250 2X4 red 2002 - 2005 . For arctic cat atv 300 2X4 red 2001 - 2003 . The Bfo M4TERP is in new condition...(January 5th, 2022)
• 0ghn63 Bfo New Carburetor For Suzuki Quadrunner (40.3% similar) Carburetor carb for Suzuki quad runner LT160 LT-F160 1991 -2001 13200-02C03. For Suzuki quad runner LT160 2002 -2003. For Suzuki quad runner LT160E 1989 -1992. For Suzuki quad runner LT-F160 1991 -2001. Carburetor for Suzuki ALT125 LT125 1983 -1987 185 quad runner 13200-18912. The Bfo 0GHN63 is...(January 7th, 2022)
• 5qbr4g Bfo Carburetor Carb Fits For Arctic Cat Atv Red Green (46.3% similar) New carburetor carb for arctic cat 250 300 2X4 4X4 2001 -2005 atv. For arctic cat atv 250 2X4 green 2002 . For arctic cat atv 250 2X4 red 2002 . For arctic cat atv 250 2X4 green 2003 . For arctic cat atv 250 2X4 red 2003 . The Bfo 5QBR4G is in new condition...(January 12th, 2022)
• Rmzd9s Bfo Carburetor Carb Fit For Yamaha Grizzly Atv Raptor (58.5% similar) New carburetor for 2001 -2005 for yamaha for raptor 660 660R YFM660 yfm 660R carb. For yamaha for raptor 660 2001 -2005. 1x carburetor. Drive belt for yamaha atv YFM700 grizzly 700 fi 4WD 2007 -2020 B16-E7641-00-00. The Bfo RMZD9S is in new condition...(January 13th, 2022)
• Dixq6g Bfo New Carburetor Fit For Honda Atv Foreman Rancher Fe (38.9% similar) For Honda TRX350 rancher 350 2000 -2006. For Honda TRX350 footrace 1986 -1987. For Honda most year of Honda ACT 250, TRX250 TRX300 TRX350 TRX400 TRX450 etc. For Honda TRX350TE rancher 2000 -2006. For Honda TRX400FW foreman 1995 -2005. The Bfo DIXQ6G is in new condition...(January 14th, 2022)
• N8gct1 Bfo Carburettor Carb Fit Yamaha Rhino (50.4% similar) Fit for yamaha rhino 660 carburetor 2004 2005 2006 2007 YXR660. For yamaha rhino 660 2004 - 2007 . For yamaha grizzly 600 1998 -2001. For yamaha grizzly 660 2002 -2008. Ignition spark plug CID box 1995 for kodiak for yamaha YFM400FW 4GB-85540-00-00. The Bfo N8GCT1 is in new condition...(January 15th, 2022)