SmartCarb For Yamaha YZ250


Wake your YZ up!

This 38mm SC2 model SmartCarb replaces the stock carburetor in Yamaha YZ250 dirt bikes, offering crisp, snappy performance and incredible ease of use.

MagVolt® Throttle Position Sensor option recommended for bikes equipped from the factory with TPS for 3D ignition mapping (2002+). Click or swipe through the photos to view the Type 1 and Type 8 connectors. Select the type that matches the connector type attached to your stock carburetor.

Every SmartCarb ships pre-adjusted specifically for the bike for which it is ordered. Please provide information in the forms below about any engine/exhaust modifications, how you ride (riding style), and what fuel selection and oil premix ratio you use.

Questions about compatibility, sizing, or fitment? Contact Us!

Products shipping internationally may be subject to import duties/taxes.

SKU: SC2-38-YAM250 Categories: ,


The SC2 SmartCarb is a precision metering instrument that provides extremely fine fuel atomization, precise mixture control, and air density compensation in a single circuit, jet-less fuel system.

  • CNC billet aluminum construction
  • Patented single fuel circuit design
  • Extremely fine fuel atomization
  • Optimal air/fuel ratio control
  • Designed & manufactured in the USA