How to Drain the Gas on a 2010 Ninja 250


As the smallest member of Kawasaki's line of sport motorcycles, the 2010 Ninja 250R has been praised as a reliable commuting motorcycle that is easy enough to operate for most new motorcyclists. However, long periods of inactivity can degrade the Ninja 250R's fuel supply, reducing the motorcycle's performance in the process. You must drain old or contaminated gas through a valve built into the bottom of the fuel tank to prevent problems with the Ninja 250R's carburetors.

Things You'll Need

  • 5 mm Allen wrench
  • Shop towel
  • Clear plastic tubing, 1/4-inch inner diameter
  • 5 gallon gas can
  • Park your Ninja 250 on its kick stand. If you have ridden the motorcycle recently, let it cool for at least 30 minutes before continuing.

  • Remove the bolt from the bottom of the left side cover -- the black panel directly below the fuel tank and seat -- using a 5 mm Allen wrench. Pull the side cover away from the grommets built into the base of the tank and the motorcycle's frame, then slide the side cover forward until it is free of the tail fairing.

  • Set the fuel valve -- located under the left edge of the fuel tank -- to the "On" position.

  • Wrap a shop towel around the fuel line on the left side of the fuel valve. Squeeze the fuel line's hose clamp, then pull the fuel line off the fuel valve's outlet. Catch any gas remaining in the fuel line with your shop towel.

  • Attach a length of clear plastic tubing with a 1/4-inch inner diameter over the fuel valve outlet. Run the opposite end of the tubing into a 5-gallon gas can.

  • Turn the fuel valve lever from the "On" position to the "Prime" position to drain the fuel tank's contents into your gas can. Let the tank drain for at least 10 minutes.

  • Rock the motorcycle from side to side once the flow of gas, visible through the plastic tubing, has reduced to a thin trickle. Set the fuel valve lever to the "On" position once the tank has drained completely, then pull the plastic tubing off of the fuel valve outlet.

  • Push the fuel line back onto the fuel valve, then squeeze the hose clamp and pull it over the end of the fuel line.

  • Slide the tab on the right side of the side cover into the slot cut into the motorcycle's tail fairing. Push the mounting bosses on the rear of the side cover into the grommets built into the base of the fuel tank and the frame. Screw the mounting bolt into the bottom of the side cover with a 5 mm Allen wrench.

Related Searches


  • "Kawasaki Ninja 250R Motorcycle Service Manual"; Kawasaki Heavy Industries; 2010
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