Related Clues:

• Accelerator pedal
• Valve which regulates fuel supplied to an engine
• Silence personnel going overboard during time with the French
• Motorcycle part
• Strangle the fuel valve?
• Choke, a device that controls mixture of air and fuel
• Engine regulator
• Check choke and accelerator
• Strangle; control (an engine)
• Article about rugby involving too much silence
• Suppress, as creativity
• Fuel or power controller
• Strangle, choke
• Certain FOOT pedal
• Right over the top, learner breaking the fuel regulator!