# Motor Mechanic {% hint style="info" %} Objective: - Demonstrate the skill in identifying minor faults in motor vehicles {% endhint %} ![](/files/PVu9zw5paPN0aJZOU12G) 1. Demonstrate that he understands the working of the internal combustion engine and know the names and the functions of all the principal parts. Diagnose simple running faults such as misfiring, choked jet,, incorrect mixture etc. 2. Demonstrate Oil & Grease chassis points, attend to oil level in a gear box and axle, and tap up the battery. Mend a puncture. Check order of firing, clean and test spark plugs 3. Demonstrate how to change the car wheel correctly, and what precautions to be taken. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://badges.prepscouts.lk/senior-scouts/practical-science-group-k/practical-science-group/motor-mechanic.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.