Red Seal Motorcycle Technician Practice Exam

What kind of lubricants are used for motorcycle chains?

1. Any motor oil available

2. Specialized chain lubricants designed to resist fling-off

3. Grease meant for automotive applications

4. Cooking oil to prevent rust

The correct answer is: Specialized chain lubricants designed to resist fling-off

Motorcycle chains, particularly those found on modern motorcycles, require specific types of lubricants that are designed to meet the unique challenges they face. Specialized chain lubricants are formulated to adhere closely to the chain and resist fling-off, meaning they remain on the chain during operation and do not easily get thrown off by centrifugal force. This is crucial for ensuring optimal lubrication, which extends the life of both the chain and the sprockets while maintaining smooth operation. These specialized lubricants often contain additives that provide additional benefits such as protection against corrosion, better penetration into the areas between the chain links, and a consistency that allows them to perform effectively under varying temperatures and conditions. They are designed to handle the high-speed and high-friction environments that motorcycle chains often encounter. In contrast, general motor oils, automotive greases, or even cooking oils do not provide the necessary properties for effective use on motorcycle chains. Motor oils may not stick to the chain properly, automotive greases can be too thick and may lead to a buildup of grime, and cooking oils are not formulated for the mechanical stresses found in chains and can deteriorate more quickly under heat and pressure.