EasyManua.ls Logo

Yamaha F4B - Automatic Decompressor

Yamaha F4B
202 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
2-5
TECH
FEA
Technical features and description
Automatic decompressor
To facilitate engine cranking, the decompression actuator forcefully opens the exhaust valve on the
compression stroke to release compression pressure during engine cranking and prevent pressure
in the cylinder from increasing. As the cranking speed increases, the decompression actuator will
move in the direction of a due to the centrifugal force and the exhaust valve will return to normal
operation.
A Compression pressure
a
A
Decompression actuator

Table of Contents

Other manuals for Yamaha F4B

Related product manuals