Checking The Relays - Yamaha R1 Series 2015 Service Manual

8. Check:
• Battery terminals
Dirt Clean with a wire brush.
Loose connection
9. Lubricate:
• Battery terminals
Recommended lubricant
Dielectric grease
10.Install:
• Battery cover/Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS30553

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 (
(12 V) to the relay terminal as shown.
Check the relay operation.
Out of specification
Starter relay
3
4
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Relay operation
Continuity
(between "3" and "4")
Connect properly.
1) and battery
Replace.
R/W
R/W L/W
1 2
ELECTRICAL COMPONENTS
Relay unit (starting circuit cut-off relay)
Br/W L/W
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Relay unit (fuel pump relay)
Br/W L/W
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
8-184
R/W L R/L
L/R L/W R/W L/B L/Y Sb B/Y Sb/W
R/W L R/L
L/R L/W R/W L/B L/Y Sb B/Y Sb/W