Red Seal Motorcycle Technician Practice Exam

Which of the following is a potential problem if the cush drive is not functioning properly?

1. Harder shifting through gears

2. Increased wear on the rear tire

3. Vibration issues in the handlebars

4. All of the above

The correct answer is: All of the above

The cush drive plays a critical role in absorbing and dampening shock loads that are transmitted from the engine through the drive chain to the rear wheel. When the cush drive is functioning properly, it helps maintain a smoother ride by accommodating variations in power delivery, particularly during acceleration and deceleration. If the cush drive is not functioning properly, it can lead to several issues. There can be harder shifting through gears as the engagement and disengagement between the drive components becomes abrupt, which affects the overall smoothness of the transmission. Increased wear on the rear tire is another potential problem, as the lack of proper shock absorption can lead to more harsh impacts on the tire, causing it to wear unevenly. Additionally, vibration issues in the handlebars can arise because any shock that is not adequately dampened can be transmitted through the frame and into the handlebars, creating an uncomfortable riding experience. Thus, a malfunctioning cush drive can contribute to all these issues, impacting the motorcycle's performance, stability, and rider comfort.