Checking The Relays - Yamaha YZ 2019 Series Owner's Service Manual

TIP
Set the charging time at 20 hours (maximum).
e. Measure the battery open-circuit voltage after
leaving the battery unused for more than 30
minutes.
12.8 V or more --- Charging is complete.
12.7 V or less --- Recharging is required.
Under 12.0 V --- Replace the battery.
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6. Install:
• Battery
7. Connect:
• Battery leads
(to the battery terminals)
ECA13630
NOTICE
First, connect the positive battery lead "1",
and then the negative battery lead "2".
8. Check:
• Battery terminals
Dirt  Clean with a wire brush.
Loose connection  Connect properly.
9. Lubricate:
• Battery terminals
Recommended lubricant
Dielectric grease
10.Install:
• Seat
• Side cover (left/right)
Refer to "GENERAL CHASSIS" on page 4-1.
EAM30292

CHECKING THE RELAYS

Check each switch for continuity with the digital
circuit tester. If the continuity reading is incor-
rect, replace the relay.
ELECTRICAL COMPONENTS
1. Disconnect the relay from the wire harness.
2. Connect the digital circuit tester () and bat-
tery (12 V) to the relay terminal as shown.
Check the relay operation.
Out of specification  Replace.
Starter relay
1. Positive battery terminal
2
2. Negative battery terminal
3. Positive tester probe
1
4. Negative tester probe
Main relay
3
4
2
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
8-60
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with tachom-
eter
YU-A1927
3
R/W R
Br/W
L/G
4
2
Result
Continuity
(between "3" to "4")
1
L/R R
Br
R,R/W
Result
Continuity
(between "3" to "4")
1