Yamaha MX775 - Removing the Throttle Body Assembly; Checking the Throttle Body Assembly; Installing the Throttle Body Assembly

4-7
1
2
3
4
5
6
7
8
9
10
FUEL
THROTTLE BODY ASSEMBLY
REMOVING THE THROTTLE BODY ASSEMBLY
1. Remove:
• Governor spring
• Governor assembly
• Throttle lever comp
• Link rod/spring
2. Remove:
•Stay “1”
• Breather hose “2”
• Joint 1 “3”
• Throttle body assembly “4”
• Gaskets “5”
CHECKING THE THROTTLE BODY ASSEMBLY
1. Check:
• Throttle body assembly
Cracks/damage  Replace.
2. Check:
• Throttle valve operation
Throttle valve can not move smoothly  Replace.
• Engine speed adjustment
Can not adjust engine high/low engine speed by
procedure on page 2-16  Replace.
INSTALLING THE THROTTLE BODY ASSEMBLY
1. Install:
• Gaskets “1”
• Throttle body assembly “2”
• Joint 1 “3”
• Breather hose “4”
•Stay “5”
• Throttle body assembly nuts
1
5
5
2
3
4
5
1
1
4
3
2
Throttle body assembly nut:
7 N·m (0.7 kgf·m, 5.1 lb·ft)
New
T
R
.
.