All Balls 26-1205 Carburetor Rebuild Kit 2001-2025 Yamaha YZ250 / YZ250X

All Balls Carburetor Rebuild Kit for Yamaha YZ250 & YZ250X

Is your bike struggling with inconsistent idling or a loss of "snap" off the bottom end? The All Balls Carburetor Rebuild Kit is the definitive solution for riders looking to restore their machine to peak Racing Performance. Over time, fuel residue and ethanol can degrade internal components, leading to poor throttle response. This kit serves as a comprehensive OEM Replacement, ensuring your Yamaha breathes perfectly once again. Moto-House MX provides the professional-grade tools and parts needed to keep your engine running at its absolute best.

This kit is engineered specifically for the demands of the modern track. Every O-ring and gasket is manufactured from high-grade NBR rubber, which offers superior resistance to the ethanol found in today’s pump fuels. From the float needle valve with its durable FMK tip to the precision-machined emulsion tube and slide needle, every part is built for Heavy Duty use. Whether you are tuning a bone-stock machine or a highly modified racer, the included variety of main and pilot jets allows for the fine-tuning necessary to dominate the competition.

Top Features: All Balls Carburetor Rebuild Kit

• Ethanol-Resistant Gaskets: Premium NBR rubber material used on all O-rings and gaskets to prevent swelling and leaks.
• Comprehensive Component Set: Includes float bowl screws, carburetor cap screws, and even accelerator pump hardware.
• Enhanced Tuning: Comes with an extended fuel mixture screw (plus spring, washer, and O-ring) for easier trailside adjustments.
• Precision Jetting: Includes 3 main jets and 3 pilot jets to help you dial in the perfect air-fuel ratio for any altitude or modification.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
2001-2025	Yamaha	YZ250
2016-2025	Yamaha	YZ250X

Frequently Asked Questions

Are these parts compatible with non-US Yamaha models?
These kits are based on US model specifications. While many parts are global, discretion and verification should be used when installing on international models.

Does this kit include the accelerator pump diaphragm?
Yes, the kit includes the accelerator pump diaphragm spring and boot to ensure the pump system functions smoothly without hesitation.

Can I use this kit for my daily trail bike?
While built to the highest standards, these kits are intended for closed-course racing applications only.

Upgrade Your Ride today and get back to the front of the pack!

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The best motocross shop in Central Florida.