Specifications & Options for Honda RS150 38mm Throttle Bodies
- Standard Size: Honda RS150 stock throttle body is 28mm.
- 38mm Upgrade Function: Increases air intake volume for modified engines (such as upgraded bore sizes, racing cams, or ported heads) to improve high-RPM power and throttle response.
- Included Components: Most aftermarket kits (such as Fasstek, Tobaki, or Swipoh) commonly bundle a Throttle Position Sensor (TPS) and/or an inlet manifold/pipe depending on the specific package.