Checking The Relays - Yamaha YZF-R1 2007 Service Manual

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
battery charger cannot charge the MF battery.
A variable voltage charger is recommended.
d. Charge the battery until the battery's charg-
ing voltage is 15 V.
NOTE:
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.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
6. Install:
• Battery
7. Connect:
• Battery leads
(to the battery terminals)
ECA13630
CAUTION:
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:
• Rider seat
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 incor-
rect, replace 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 bat-
tery (12 V) to the relay terminal as shown.
Check the relay operation.
email: info@motomatrix.co.uk
ELECTRICAL COMPONENTS
Out of specification → Replace.
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Relay operation
Continuity/No continuity
(between "3" to "4")
Relay unit (starting circuit cut-off relay)
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity/No continuity
Relay unit (fuel pump relay)
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity/No continuity
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