Yamaha XT660Z 2008 User Manual

8-53
ELECTRICAL COMPONENTS
Radiator fan motor relay
Result
Continuity
(between “3” and “4”)
ET5YU1021
CHECKING THE TURN SIGNAL/HAZARD
RELAY
1. Check:
• Turn signal/hazard relay input voltage
Out of specification → The wiring circuit from
the main switch to the turn signal/hazard re-
lay coupler is faulty and must be repaired.
a. Connect the pocket tester (DC 20 V) to the
turn signal/hazard relay terminal as shown.
Turn signal/hazard relay input
voltage
DC 12 V
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
Pocket tester
90890-03112
• Positive tester probe → brown “1”
• Negative tester probe → ground
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
2. Check:
• Turn signal/hazard relay output voltage
Out of specification → Replace.
Turn signal/hazard relay output
voltage
DC 12 V
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Connect the pocket tester (DC 20 V) to the
turn signal/hazard relay terminal as shown.
Pocket tester
90890-03112
• Positive tester probe → brown/white “1”
• Negative tester probe → ground
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
EAS28050
CHECKING THE RELAY UNIT (DIODE)
1. Check:
• Relay unit (diode)
Out of specification → Replace.
Pocket tester
90890-03112
NOTE:
The pocket tester and the analog pocket tester
readings are shown in the following table.
b. Turn the main switch to “ON”.
c. Measure the turn signal/hazard relay output-
voltage.
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
b. Turn the main switch to “ON”.
c. Measure the turn signal/hazard relay input
voltage.

Yamaha XT660Z 2008 Specifications

General

Displacement	660 cc
Bore x Stroke	100.0 mm x 84.0 mm
Compression Ratio	10.0:1
Fuel System	Fuel Injection
Ignition	TCI
Transmission	5-speed
Final Drive	Chain
Front Suspension	Telescopic forks
Rear Suspension	Swingarm (link suspension)
Front Tire	90/90-21
Rear Tire	130/80-17
Seat Height	895 mm
Wet Weight	206 kg
Dry Weight	183 kg
Starter	Electric
Front Suspension Travel	210 mm
Rear Suspension Travel	200 mm
Width	865 mm
Wheelbase	1, 505 mm
Engine Type	Liquid-cooled, 4-stroke, single cylinder, 4-valves, SOHC
Max Power	35.0 kW (48 PS) @ 6, 000 rpm
Rear Brake	Single disc
Fuel Capacity	23 liters