Engine idling speed, the speed at which an engine turns while at a complete standstill, can play a major role in the way your Honda motorcycle operates. An ideal engine idle speed for most Honda motorcycles is near 1,100 RPM (revolutions per minute). If the idle speed is too low, the engine may stall out easily and prevent the motorcycle's charging system from replenishing the battery at a stop. A faster idle speed, on the other hand, can make shifting into gear difficult and cause the motorcycle to jump unexpectedly forward from a stop.
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Locate the idle adjuster knob on the left side of your motorcycle's carburettor or engine.
Start the motor and let it warm up for at least three minutes.
Watch the motorcycle's tachometer and twist the idle adjustment knob to raise or lower the engine's idle speed. Twist the knob clockwise to raise the idle speed and counterclockwise to lower the idle speed.
Set the engine idle to 1,100 RPM, unless directed otherwise by your owner's manual.
Shut off the motor after the idle speed has been set.
Tips and warnings
- A motorcycle that will not idle unless the choke is engaged usually has a clog in the carburettor's pilot system. Clean the carburettor thoroughly before adjusting the idle.
- Have a Honda technician inspect the motorcycle's fuel system if your motorcycle
- will not hold or maintain an idle.
- Never change or adjust the idle speed before the engine has warmed up completely. A cold adjustment will change as the engine warms, throwing the idle speed off the intended mark.
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