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ENGLISH
The main frame is the supporting structure and the main bearing part of the motorcycle. As the
motorcycle is subject to strong road impact and vibration when driving, the selected materials and
structure are required to have a very high strength and stiffness, and the main frame must be light in
weight. In this way, it is advantageous to high-speed motorcycle driving.
Section 6 Frame and Accessory Mechanism
1. Structure and Working Principles of the Main Frame and Accessory Mechanism
The main frame is the plate-welding type. It
is high in strength, stiffness and applicability and
so on. The main frame mainly included the front-
section frame, tail frame and engine cradle.
The main frame is used to suppor t the
motorcycle engine, transmission system, control
system, seat cushion, fuel tank and brake system,
etc; it also provide support points to install other
accessory mechanism, so that the motorcycle
forms a complete whole.
2. Demolition and Maintenance of the Main Frame and Accessory Mechanism
[2] Check whether the side stand is bent and
deformed and replace or correct it if necessary.
[1] Check the rearview mirror for any looseness or
damage. If the rearview mirror becomes loose or is
damaged, it is necessary to tighten or replace the
mirror timely.
Caution
Before driving the motorcycle, the driver must
ensure the rearview mirror is clean and dust free,
and adjust the rearview mirror to the best angle.
Side stand
Check the rearview
