Skip to main content

NC State Extension

North Carolina 4-H Presentation Guidelines: Wheels and Engines

en Español

El inglés es el idioma de control de esta página. En la medida en que haya algún conflicto entre la traducción al inglés y la traducción, el inglés prevalece.

Al hacer clic en el enlace de traducción se activa un servicio de traducción gratuito para convertir la página al español. Al igual que con cualquier traducción por Internet, la conversión no es sensible al contexto y puede que no traduzca el texto en su significado original. NC State Extension no garantiza la exactitud del texto traducido. Por favor, tenga en cuenta que algunas aplicaciones y/o servicios pueden no funcionar como se espera cuando se traducen.

English is the controlling language of this page. To the extent there is any conflict between the English text and the translation, English controls.

Clicking on the translation link activates a free translation service to convert the page to Spanish. As with any Internet translation, the conversion is not context-sensitive and may not translate the text to its original meaning. NC State Extension does not guarantee the accuracy of the translated text. Please note that some applications and/or services may not function as expected when translated.

Collapse ▲


  • To learn the basic operating principles of automotive and service engines.
  • To learn how to repair and maintain a bicycle, lawnmower, automobile, etc.
  • To learn automotive safety rules for the road, etc.


Individuals or teams may compete. Each county may enter up to two participants in each age division.

  • 8-10 – 4-H’er must be 8 years old before January 1 of the current year and not have reached their eleventh birthday before January 1 of the current year.
  • 11-13 – 4-H’er must be eleven years old before January 1 of the current year and not have reached their thirteenth birthday before January 1 of the current year.
  • 14-18 – 4-H’er must be fourteen years of age before January 1 of the current year and not reached their nineteenth birthday before January 1 of the current year. Eligibility: Individuals or teams may compete.

Presentation Ideas

  • Parts of a bicycle
  • How to care for a bicycle
  • How to tighten and replace spokes
  • How to prepare a snack for bicycle traveling
  • Recreational and business uses for bicycles.
  • How to select the bicycle that is right for you
  • Safe tips for the road


  • Consumer Auto Reports
  • Bike shops
  • NC Governor’s Highway Safety Bicycle Program
  • Internet searches on bicycles
  • Local bicycle clubs

Rules/Regulations: See NC 4-H Presentation Regulations.

Suggestions/Helpful Hints

  • Use good visuals.
  • Know the parts and principles associated with your specific topic.
  • Be prepared to answer questions.
  • Safety should be used when working with bicycles.


  • Judges will review each presentation and complete a judge’s score sheet.
  • Judges will use their own discretion as to whether questions will or will not be asked.
  • The judge’s decisions will be final.