Reprinted from the October 1977 issue, Gordon Jennings provides an extensive discussion on spark plugs and general motorcycle tuning.

Investigate the diagrams and formulas of the reed valve induction system. Read about the history, construction and performance of reeds.

Consult a resource from Michael Moore with multiple topics such as tools, designs, engine mounts and suspensions. Read about exhausts and tanks.

Resource a categorical list of intake and exhaust flows, valve timing and tuning tips. Offers diagrams and formulas for geometric properties.

Find an outline of the resource for understanding heat transfer in an engine. Find formulas, heat transfer correlations and technical diagrams.

Resource the itemized engine rebuilds and repairs of several two-strokes. Photos, diagrams and descriptive text provides a valuable manual.

Searchable catalog lets the user browse and order original motorcycling magazines, posters and brochures.

Staff writer, Eric Murray, presents an in-depth explanation with diagrams on how a two-stroke engine's exhaust effects power.

Illuminates the answer to what causes detonation in the internal combustion engine. View diagrams, a reference list and read a Q&A section.

Motorcycle Online presents expert advice on bike maintenance, plus a bulletin board service for readers.

Read news on motorcycle parts and the manufacturers. Find recall information and resource back issues.

Learn about the parts, different construction processes and the general function of pistons in an internal combustion engine.

Read an article with step-by-step instructions to testing an engine for leaks. Also offers a section on building a pressure testing device.

Detailed guide explaining how to prepare a motorcycle for winter storage includes a comprehensive checklist.