how to adjust the idle on a motorcycle

Best answer


Just simplyturn the screw in or outto adjust the idle. The screw is usually located on the carburetor near the choke. This same screw system is used on the first generation of fuel injected motorcycle engines. Newer models that have fuel injection systems have an ECU (Engine Control Unit) that controls the idle level.

People also ask


  • How do you adjust the idle on a Harley Davidson?

  • Harley Davidson will low idle stall when your idle speed isn鈥檛 high, utilize a suitable Philips screwdriver to turn the screw in the clockwise direction. If the idle screw is beneath and if the coil is vertically positioned, then you want to turn the screw in an anticlockwise direction.

  • How to control the idle speed of your motorcycle?

  • Also, you can regulate the idle speed using the small knob that pokes out of your bike鈥檚 engine section positioned on the left or right side. This is particularly true for those using fuel-injected motorcycles. If your bike does not come with such a knob, a low or high speed will normally signal a mechanical issue or an unclean engine compartment.

  • Where is the idle control screw on a motorcycle?

  • The screw is usually located on the carburetor near the choke. This same screw system is used on the first generation of fuel injected motorcycle engines. Newer models that have fuel injection systems have an ECU (Engine Control Unit) that controls the idle level.

  • How do I check the idle speed of my bike?

  • If your bike has an RPM gauge, called a tachometer, take a look at the gauge while the bike is in idle. If the RPM is already in the acceptable idle range, you don鈥檛 need to change the idle settings with the screw. If the RPM isn鈥檛 in the acceptable range, determine whether you need to lower or raise the idle speed.