NIBBI PWK38YJ-125-250 Racing Carburetor

( Brand: Nibbi ), ( Manifold Intake Inner Diameter: 38mm, 1.5 In ), ( Items Included: 1x Carburetor, 4x Jets, 2x Sticker, 1x Manual ), ( Engine Type: 4-stroke ), ( Manufacturer Warranty: 1 Year ), ( Features: Jetting ), ( Height: 180mm, 7.09 In ), ( Manifold Intake Outer Diameter: 46mm, 1.81 In ), ( Width: 90mm, 3.54 In ), ( Performance Part: Yes ), ( Machine Type: Dual Sport Motorcycle, Off-road Motorcycle, Scooter, Street Motorcycle ), ( Color: Black Red ), ( Manufacturer Part Number: PWK38YJ-125-250 ), ( Material: Zinc Alloy ), ( Vintage Part: No ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Spread Bore ), ( Surface Finish: Anodizing ), ( Country Of Origin: China ), ( Air Filter Side Outer Diameter: 63mm )

Review NIBBI Racing Carburetor fits PWK38 KX125 KX250 KDX200 KDX220R CR250R RM125 RM250

Introducing the NIBBI PWK38YJ-125-250, a high-performance racing carburetor specifically designed for the KX125, KX250, KDX200, KDX220R, CR250R, and RM125, RM250 motorcycles. This carburetor is engineered to deliver optimal power, torque, and fuel efficiency, making it an ideal choice for competitive racing and trackday applications.

The NIBBI PWK38YJ-125-250 is a 38mm flat-slide carburetor, featuring a unique and robust design. It comes with a high-quality, precision-machined aluminum body, which offers excellent heat dissipation and durability. The carburetor's slide is made of high-tensile steel, ensuring stability and precision under extreme conditions.

One of the key features of this racing carburetor is its adjustable main jet system, which allows riders to fine-tune the carburetor for various riding conditions and fuel types. The main jets come in a range of sizes, enabling riders to choose the optimal jet for their specific setup. The carburetor also features adjustable idle mixture screws, allowing riders to easily adjust the idle mixture for optimal performance and reliability.

The NIBBI PWK38YJ-125-250 carburetor comes with a high-performance air filter, which helps to ensure clean air enters the engine for optimal combustion. The carburetor also features a large, easy-to-read fuel level window, allowing riders to easily monitor fuel levels during races or trackdays.

The carburetor's needle jet system is designed for precise fuel metering, ensuring efficient combustion and maximum power output. The needle jet system also features a needle jet needle, which can be easily adjusted to optimize fuel mixture for various riding conditions.

The NIBBI PWK38YJ-125-250 racing carburetor is designed to be easy to install, with simple bolt-on installation. It comes with all necessary hardware and instructions for a hassle-free installation process. The carburetor is also designed to be easy to maintain, with easy-to-access adjustment points and a simple, intuitive design.

In summary, the NIBBI PWK38YJ-125-250 is a high-performance racing carburetor specifically designed for the KX125, KX250, KDX200, KDX220R, CR250R, and RM125, RM250 motorcycles. It features a robust and durable design, adjustable main jet system, and a high-performance air filter, making it an excellent choice for competitive racing and trackday applications. With its simple installation process and easy-to-maintain design, the NIBBI PWK38YJ-125-250 is a must-have for serious riders looking to maximize their performance on the track.

The NICBI PWK38YJ-125-250 racing carburetor is a popular aftermarket option for various two-stroke motorcycles, including KX125, KX250, KDX200, KDX220R, CR250R, and RM125/RM250. Here are some pros and cons that can help you decide whether this carburetor is worth considering for your motorcycle.

1. Improved Performance: This racing carburetor offers improved throttle response, power delivery, and overall performance compared to the stock carburetor.

2. Adjustability: It comes with multiple adjustment options, allowing riders to fine-tune the carburetor settings according to their riding style and track conditions.

3. Durability: The NICBI PWK38YJ-125-250 racing carburetor is built to withstand the rigors of off-road racing, making it a robust and long-lasting option.

4. Easy Installation: The installation process is relatively straightforward, and most users can complete the job in a couple of hours with basic hand tools.

1. Cost: This aftermarket carburetor is more expensive than the stock carburetor, which may be a deterrent for some riders.

2. Complexity: The adjustability features can be overwhelming for some users, particularly those who are not familiar with carburetor tuning.

3. Fuel Consumption: Due to its high performance, this racing carburetor may increase fuel consumption compared to the stock carburetor.

In conclusion, the NICBI PWK38YJ-125-250 racing carburetor offers significant improvements in performance and adjustability for off-road motorcycles. However, it comes with a higher price tag and may require some expertise to tune effectively. If you are an experienced rider looking for improved power and adjustability, this carburetor is definitely worth considering. On the other hand, if you are a beginner or prefer a more budget-friendly option, you may want to stick with the stock carburetor. Ultimately, the decision comes down to your riding style, experience level, and budget.

part # pwk38yj125250 prices

• $80.00-$120.98

specifications iodacarb:

• for models: Pwk38, Kx125, Kx250, Kdx200, Kdx220r, Cr250r, Rm125, Rm250
• brand: Nibbi
• manifold intake inner diameter: 38mm, 1.5 In
• items included: 1x Carburetor, 4x Jets, 2x Sticker, 1x Manual
• engine type: 4-stroke
• manufacturer warranty: 1 Year
• features: Jetting
• height: 180mm, 7.09 In
• manifold intake outer diameter: 46mm, 1.81 In
• width: 90mm, 3.54 In
• performance part: Yes
• machine type: Dual Sport Motorcycle, Off-road Motorcycle, Scooter, Street Motorcycle
• color: Black Red
• manufacturer part number: PWK38YJ-125-250
• material: Zinc Alloy
• vintage part: No
• choke type: Mechanical
• type: Carburetor
• mounting flange type: Spread Bore
• surface finish: Anodizing
• country of origin: China
• air filter side outer diameter: 63mm

offer iodacarb:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: June 21, 2026

general iodacarb:

• condition: New other see details
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Carburetors

shipping iodacarb:

• type: Calculated
• cost: $9.35
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• transit: 4-8 Days

payments iodacarb:

• credit card: Diners-club
• other
• wallet: Google-pay

returns iodacarb:

• policy: No Returns

seller iodacarb:

• # reviews: 53
• rating: 100.0%

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