Control System; Synchronizing The Throttle Valves - Yamaha Z200N Service Manual

INSP
ADJ
3
2
3
2
4
a
6
5
3075

CONTROL SYSTEM

1
3
4
3060
1
(#1)
1
(#2)
1
(#3)
1
(#4)
1
(#5)
1
(#6)
3070
b
CONTROL SYSTEM
SYNCHRONIZING THE THROTTLE
VALVES
1. Check:
• Throttle valve synchronization
Uneven opening → Adjust.
Checking steps
(1) Remove the intake silencer 1.
(2) Disconnect the throttle lever rod 2
and oil pump link rod.
(3) Turn the throttle stop screw 3 until it
does not touch the stopper.
(4) Turn the screw 4 clockwise.
(5) Verify that all the throttle valves are
fully closed.
(6) If correct, proceed with adjustment
steps 3-5, 8, and 9 below.
2. Adjust:
• Throttle valve opening
Adjustment steps
(1) Proceed with checking steps 1 to 2.
(2) Turn the screws 1 clockwise for all of
the cylinders.
(3) Close the valves 2 and turn the
screws 1 for cylinder #1, #2, #3, #5,
and #6 counterclockwise.
(4) Connect the oil pump link rod.
(5) Turn in the throttle stop screw 3 until
the throttle valve #4 starts opening and
then turn it 1-1/2 turns in.
(6) Align the center of the throttle control
lever cam roller 4 with the mark a
and turn screw #4 1 counterclockwise.
(7) Disconnect the throttle cable joint 5.
(8) Adjust the throttle lever rod 6 length
and connect it.
Throttle lever rod length b
163 mm (6.4 in)
(9) Install the intake silencer.
(10) Adjust the throttle position sensor and
engine idling
"ADJUSTING THE THROTTLE POSI-
TION SENSOR" and "ADJUSTING THE
ENGINE IDLING SPEED" on page 3-8
and 3-9.
3-7
E
speed. Refer to
3
3