page_title: Redline
hierarchical_section_title: Redline
caption_attribution_description: Honda CBR 600 (2005) tachometer way over redline.
context_page_description: Redline refers to the maximum engine speed at which an internal combustion engine or traction motor and its components are designed to operate without causing damage to the components themselves or other parts of the engine. The redline of an engine depends on various factors such as stroke, mass of the components, displacement, composition of components, and balance of components.
  The word is also used as a verb, meaning to ride or drive an automotive vehicle at its maximum engine speed.
context_section_description: Redline refers to the maximum engine speed at which an internal combustion engine or traction motor and its components are designed to operate without causing damage to the components themselves or other parts of the engine. The redline of an engine depends on various factors such as stroke, mass of the components, displacement, composition of components, and balance of components. 
  The word is also used as a verb, meaning to ride or drive an automotive vehicle at its maximum engine speed.
caption: Tachometer showing red lines above 14,000 rpm.
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