Checking The Relays - Yamaha MBK XMAX 2014 Service Manual

• Upper panel
Refer to "GENERAL CHASSIS" on page 4-1.
EAS28040

CHECKING THE RELAYS

Check each switch for continuity with the pocket
tester. If the continuity reading is incorrect, re-
place the relay.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
1. Disconnect the relay from the wire harness.
2. Connect the pocket tester (Ω × 1) and battery
(12 V) to the relay terminal as shown.
Check the relay operation.
Out of specification → Replace.
Starting circuit cut-off relay (for YP125R)
3
4
2
1
L/ Y L/
W
W/
Y
G/Y
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Starting circuit cut-off relay 1 (for YP125RA)
3
4
2
1
L/
Y L/ G
L/
W
G/W
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
+
+
8-139
ELECTRICAL COMPONENTS
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Starting circuit cut-off relay 2 (for YP125RA)
3
4
2
1
B
G/Y
L/ B
G/W
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Starter relay
A 3
R
R
4
3
B
R
R
4
A. For YP125R
B. For YP125RA
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
+
R
B L/W
1 2
R
L/W R/B
1 2