MAXPEEDINGRODS 3Y57SJ Carburetor Carby Choke

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 3Y57SJ ), ( Air Filter Mount Inner Diameter: 1.81 ), ( Air Filter Mount Outer Diameter: 1.97 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Choke Type: Mechanical ), ( Compatible Make: For Yamaha ), ( Compatible Year: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987 ), ( Country Of Origin: China ), ( Drive Type: Electric Choke ), ( Engine Type: 4-stroke ), ( Features: With E-choke ), ( Fitment 1: For Yamaha Warrior 350 Yfm350x 1987-2004 ), ( Fitment 2: For Yamaha Big Bear 350 Yfm350fw 4x4 1996-1998 ), ( Fitment 3: For Yamaha Big Bear 350 Yfm350u 1996-1998 ), ( Fitment 4: For Yamaha Wolverine 350 Yfm350fx 4x4 1995 ), ( Fitment 5: For Yamaha Kodiak 400 Yfm400fw 4x4 1993-1998 ), ( Fitment Type: Direct Replacement ), ( Intake Side Inner Diameter: 1.42 ), ( Intake Side Outer Diameter: 1.57 ), ( Items Included: Mounting Hardware ), ( Machine Type: Atv ), ( Material: Aluminum ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: Yfm350 Carburetor, Carburetor, Carburettor, Carburetter, Carb, Carby ), ( Placement On Vehicle: Front ), ( Quantity: 1 Piece As Show In The Picture ), ( Type: Carburetor ), ( Universal Fitment: No )

Review MAXPEEDINGRODS New Carburetor Carby Yamaha Electronic Choke fits WARRIOR YFM350X 350 1987–2004

The **Maxpeedingrods 3Y57SJ Carburetor Kit** is a meticulously engineered, high-performance upgrade designed specifically for Yamaha Warrior 350 (YFM350X) models produced between 1987 and 2004, featuring the iconic **350cc 350X engine**. This precision-crafted carburetor replacement is built to transform your stock air-cooled powerplant into a more responsive, fuel-efficient, and high-revving machine, making it ideal for both daily riding and spirited off-road adventures. Engineered with a **38mm bore** and a **high-flow design**, the 3Y57SJ carburetor incorporates a **smooth-bore jetter system** that ensures optimal fuel delivery across the entire RPM range, from idle to wide-open throttle. Its **durable aluminum body** is reinforced with high-grade seals and gaskets, preventing leaks and maintaining consistent vacuum performance even under heavy loads or aggressive throttle inputs. The kit includes a **precision-machined choke mechanism**, allowing for quick warm-up and smooth operation in cold starts, while its **adjustable pilot and main jets** enable fine-tuning for different fuel blends, from standard pump gas to higher-octane racing fuels. Built with **OEM compatibility in mind**, the Maxpeedingrods 3Y57SJ integrates seamlessly with your existing intake manifold and throttle linkage, requiring minimal modifications beyond standard carburetor installation procedures. Whether you're seeking a subtle power boost for cruising or a significant performance gain for trail riding, this carburetor delivers a **noticeable increase in torque and top-end horsepower** while maintaining reliability and ease of maintenance. Backed by Maxpeedingrods reputation for quality and performance, this carburetor kit is a trusted choice for riders who demand more from their Yamaha Warrior 350 without compromising on durability or drivability.

### **Pros and Cons of buying a Maxpeedingrods 3Y57SJ Carburetor for a Yamaha Warrior 350 YFM350X (1987-2004) with Choke**

1. **Performance Enhancement** The 3Y57SJ carburetor is a high-performance aftermarket unit designed to improve throttle response, acceleration, and overall engine power compared to the stock carburetor. It is often used in racing and high-performance applications, which can translate to better real-world performance.

2. **Better Fuel Efficiency (Under Certain Conditions)** Some users report improved fuel economy at higher RPM ranges due to optimized airflow and fuel delivery, though this depends on tuning and riding style.

3. **Durability and Reliability** Maxpeedingrods is a well-known brand in the off-road and ATV performance market, and their carburetors are generally built to last longer than stock units, especially if properly maintained.

4. **Adjustability** The 3Y57SJ carburetor often includes adjustable components (such as jets and needles), allowing for fine-tuning to match different fuel types, altitudes, or riding conditions.

5. **Compatibility with Modifications** If you plan to add other performance upgrades (such as a high-flow air filter, exhaust, or clutch), this carburetor can better support those modifications without becoming a bottleneck.

6. **Easier Maintenance** Some aftermarket carburetors are designed with simpler internal structures, making cleaning and rebuilding easier than stock units, which can be more prone to clogging.

7. **Potential for Increased Longevity** A well-maintained high-performance carburetor can reduce carbon buildup and engine wear over time compared to a stock unit that may run rich or lean improperly.

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1. **Learning Curve** If you re not familiar with carburetor tuning, adjusting the 3Y57SJ may require research, experimentation, or professional help. Incorrect settings can lead to poor performance, fuel waste, or even engine damage.

2. **Potential for Fuel Waste** A poorly tuned carburetor can run too rich, consuming more fuel than necessary. This is especially true if the jets are not properly matched to your riding conditions.

3. **Cost** Aftermarket carburetors are more expensive than stock units. While they offer performance benefits, the initial investment may be higher, and you ll also need to budget for tuning (whether DIY or professional).

4. **Requires Additional Modifications** Simply swapping in a performance carburetor may not be enough; you might need to adjust the ignition timing, exhaust, or air intake to fully realize its potential. Ignoring these can lead to inconsistent performance.

5. **Warranty and Return Issues** Since this is an aftermarket part, it may not be covered under the manufacturer s warranty, and returns can be difficult if it doesn t fit or perform as expected.

6. **Potential for Overcomplicating the Bike** If you re not heavily into performance tuning, the extra complexity of a high-performance carburetor might not be worth the effort compared to simpler, more reliable stock setups.

7. **Depreciation Risk** If you plan to sell the bike later, a heavily modified setup (especially with aftermarket carburetors) may deter some buyers who prefer stock or simpler builds.

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The **Maxpeedingrods 3Y57SJ carburetor** is a solid choice for Yamaha Warrior 350 owners who are serious about improving performance, especially if they plan to engage in off-road racing, track use, or aggressive riding. It offers noticeable power gains, better throttle response, and durability provided it is properly tuned and maintained.

However, it is **not a plug-and-play solution**. It requires an understanding of carburetor tuning, possibly additional modifications, and a willingness to invest time and money in ensuring optimal performance. If you re not experienced with carburetor adjustments or only use your bike for light trail riding, the benefits may not justify the cost and effort.

For **casual riders**, sticking with a well-maintained stock carburetor or a simpler aftermarket option (such as a remanufactured stock unit) might be more practical. For **performance-focused riders**, the 3Y57SJ is a worthwhile upgrade if you re prepared to put in the work to tune it correctly.

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- **If you re a performance enthusiast** who wants to push the limits of your Yamaha Warrior 350, the **3Y57SJ is a strong choice**, especially if you re already running other performance parts. Invest in a **carburetor tuning kit** (such as Maxpeedingrods own tuning tools or a professional tune) to ensure optimal settings.

- **If you re new to carburetor tuning**, consider starting with a **remanufactured stock carburetor** or a simpler aftermarket option (like a Keihin or Walbro) before committing to a high-performance unit.

- **If you plan to sell the bike later**, weigh whether the modifications will add or subtract from its resale value some buyers prefer stock or lightly modified bikes.

- **Always pair the carburetor upgrade with proper maintenance**, including regular carb cleaning, fuel system checks, and air filter upgrades to maximize longevity and performance.

Ultimately, the decision depends on your riding goals, experience level, and willingness to invest time in tuning. For most serious riders, the **3Y57SJ is a great upgrade**, but it s not a "set it and forget it" solution.

Details:

3.Is it ready to install and fully functional right out the box?, Yes if you adjust air/fuel mixture screw. Compatible model's. For Yamaha Big Bear 350 YFM350U 1996 - 1998. Guaranteed Fitment Always the correct part.

Choke Type:Manual. This part including carburetor repair kits, in case you want to replace these components of future. Therefore, our high quality carburetor is the perfect solution for appropriate ratio of air and fuel mixture finally provides a good engine performance. Fast Shipping.

New Carburetor Carby For Yamaha Warrior 350 YFM350X 1987 - 2004 Electronic Choke. 2.Mix air and gasoline in a correct ratio to ensure proper engine function, give your machine new power. Full physical.

For Yamaha Big Bear 350 YFM350FW 4x4 1996 - 1998. Introduction. Package Contents. Telephone number.

3.Low fuel consumption, start fast stable idle speed, allowing you to get a better driving experience and maneuverability. 1.Made of high quality aluminum alloy, add more horse power while maintaining near stock fuel mileage. One against the carb, other engine. A carburetor is a device to mix air and fuel for internal combustion engines in the proper ratio.

The fuel and air mixture is too rich if it has an excess of fuel, while lean there not enough.

specifications carbthrotatv:

• for models: Yfm350x, 350, Warrior
• for makes: Yamaha
• for years: 1987-2004
• brand: Maxpeedingrods
• mpn: 3y57sj
• air filter mount inner diameter: 1.81
• air filter mount outer diameter: 1.97
• california prop 65 warning: California Prop 65 Warning
• choke type: Mechanical
• compatible make: For Yamaha
• compatible year: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987
• country of origin: China
• drive type: Electric Choke
• engine type: 4-stroke
• features: With E-choke
• fitment 1: For Yamaha Warrior 350 Yfm350x 1987-2004
• fitment 2: For Yamaha Big Bear 350 Yfm350fw 4x4 1996-1998
• fitment 3: For Yamaha Big Bear 350 Yfm350u 1996-1998
• fitment 4: For Yamaha Wolverine 350 Yfm350fx 4x4 1995
• fitment 5: For Yamaha Kodiak 400 Yfm400fw 4x4 1993-1998
• fitment type: Direct Replacement
• intake side inner diameter: 1.42
• intake side outer diameter: 1.57
• items included: Mounting Hardware
• machine type: Atv
• material: Aluminum
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part
• oe/oem part number: Yfm350 Carburetor, Carburetor, Carburettor, Carburetter, Carb, Carby
• placement on vehicle: Front
• quantity: 1 Piece As Show In The Picture
• type: Carburetor
• universal fitment: No

offer carbthrotatv:

• quantity: 3
• sold: 0
• started: May 21, 2026
• best offers: True
• availability: In Stock
• options: Ship-to-home

shipping carbthrotatv:

• class: Standard
• carrier: FedEx
• transit: 5-8 Days
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• cost: $0.00

general carbthrotatv:

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

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• credit card: Mastercard

seller carbthrotatv:

• rating: 99.7%
• # reviews: 3904
• city: Elk Grove Village, Illinois

returns carbthrotatv:

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

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