Yamaha XT1200Z(Z) 2010 Service Manual page 605

2. Disconnect:
• Throttle servo motor coupler
3. Check:
• Throttle servo motor resistance
Out of specification → Replace the throttle
bodies.
Resistance
0–100 Ω
ECA23P1083
NOTICE
Do not disassemble the throttle servo motor.
M MMM M MMM M M MMM M
a. Connect the pocket tester (Ω × 1) to the throt-
tle servo motor terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
Throttle servo motor terminal "1"
• Negative tester probe →
Throttle servo motor terminal "2"
b. Measure the throttle servo motor resistance.
L LLL L LLL L L LLL L
4. Check:
• Throttle valve operation
Throttle valves do not fully close → Replace
the throttle bodies.
M MMM M MMM M M MMM M
a. Connect two C-size batteries to the throttle
servo motor terminals "1" as shown.
ECA23P1084
NOTICE
Do not use a 12 V battery to operate the throt-
tle servo motor.
TIP
Do not use old batteries to operate the throttle
servo motor.
M MMM M M MMM M M MMM M
L LLL L L LLL L L LLL L
M MMM M M MMM M M MMM M
ELECTRICAL COMPONENTS
A
B
MMM
A. Check that the throttle valves "2" open.
B. Check that the throttle valves "2" fully close.
L LLL L LLL L
1
2
LLL
MMM
8-156
2
2
L LLL L L LLL L L LLL L
1
1
3V
1
1
3V
L LLL L LLL