Checking And Charging The Battery; Checking The Relays - Yamaha TMAX 2020 Service Manual

Engine idling speed
1100–1300 r/min
EAS30552

CHECKING AND CHARGING THE BATTERY

TIP
Refer to "CHECKING AND CHARGING THE
BATTERY" in "BASIC INFORMATION"
(separate volume).
1. Remove:
• Battery cover
• Battery band
Refer to "GENERAL CHASSIS (1)" on
page 4-1.
2. Disconnect:
• Battery lead
(from the battery terminals)
ECA13700
NOTICE
First, disconnect the negative battery lead,
and then the positive battery lead.
3. Remove:
• Battery
Refer to "GENERAL CHASSIS (1)" on
page 4-1.
4. Check:
• Battery charge
5. Install:
• Battery
Refer to "GENERAL CHASSIS (1)" on
page 4-1.
6. Connect:
• Battery lead
(to the battery terminals)
ECA26980
NOTICE
First, connect the positive battery lead, and
then the negative battery lead.
7. Check:
• Battery terminal
Dirt  Clean with a wire brush.
Loose connection  Connect properly.
8. Lubricate:
• Battery terminal
Recommended lubricant
Dielectric grease
ELECTRICAL COMPONENTS
9. Install:
• Battery band
• Battery cover
Refer to "GENERAL CHASSIS (1)" on
page 4-1.
EAS30553

CHECKING THE RELAYS

Check each switch for continuity with the digital
circuit tester. If the continuity reading is incor-
rect, replace the relay.
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with
tachometer
YU-A1927
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.
Starting circuit cut-off relay
L/W
B
G/Y
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
8-94
Sb