Yamaha VMX12H Supplementary Service Manual page 232

THROTTLE CABLE CYLINDER
5-1 1
3.
Measure:
Free play (throttel grip)
Out of specification
Throttle Grip Free Play :
4 7 (0.16
4. Check:
2 carburetor throttle valve operation
By the following checking steps.
No. 2 carburetor throttle valve operation
checking steps:
Loosen the locknut (carburetor side)
throttle grip back and forth.
2
No. carburetor to see if the throttle
valve operates a t full open and full closed.
Operation of throttle valve normal
locknut
Throttle valve fails to operate at full closed
Adjust.
THROTTLE VALVE FULLY OPEN
THROTTLE VALVE FULLY CLOSED
5. Adjust:
2
carburetor throttle valve operation
By the following adjustment steps.
No. 2 carburetor throttle valve operation
adjustment steps:
First step:
a. Loosen the locknut (carburetor side).
b. Turn the adjuster (carburetor side) clock-
wise a little.
c. Turn the adjuster (throttle grip side) coun-
terclockwise and adjust free play (throttle
grip) to within 4 7 mm (0.16
d. Check to see if throttle valve operates a t
full closed. -
I f not, repeat steps a
e. Set the throttle valve a t full closed and
tighten locknut (carburetor side).
f. Check to see if throttle valve operates at
full open.
Throttle valve fails to operate a t full open
Perform the next step.
Adjust.
0.28 in)
.
Tighten
0.28 in).
d.