Checking The Rectifier/Regulator; Checking The Horn - Yamaha YZF-R6(V) 2006 Service Manual

• Positive tester probe →
white "1"
• Negative tester probe →
white "2"
• Positive tester probe →
white "1"
• Negative tester probe →
white "3"
• Positive tester probe →
white "2"
• Negative tester probe →
white "3"
W W W
1 2
b. Measure the stator coil resistance.
L LLL L LLL L L LLL L
EAS28170

CHECKING THE RECTIFIER/REGULATOR

1. Check:
• Charging voltage
Out of specification → Replace the rectifi-
er/regulator.
Charging voltage
14 V at 5000 r/min
M MMM M MMM M M MMM M
a. Set the engine tachometer to the cylinder-#1
ignition coil.
b. Connect the pocket tester (DC 20 V) to the
rectifier/regulator coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
red "1"
• Negative tester probe →
black "2"
3
L LLL L L LLL L L LLL L
M MMM M M MMM M M MMM M
ELECTRICAL COMPONENTS
c. Start the engine and let it run at approximate-
ly 5000 r/min.
d. Measure the charging voltage.
L LLL L LLL L
EAS28180

CHECKING THE HORN

1. Check:
• Horn resistance
Out of specification → Replace.
M MMM M MMM M
a. Disconnect the horn leads from the horn ter-
minals.
LLL
b. Connect the pocket tester (Ω × 1) to the horn
terminals.
• Positive tester probe →
horn terminal "1"
• Negative tester probe →
MMM
horn terminal "2"
c. Measure the horn resistance.
L LLL L LLL L
2. Check:
• Horn sound
Faulty sound → Adjust or replace.
8-104
W
W W
R
B
1
L LLL L L LLL L L LLL L
Coil resistance
1.15–1.25 Ω at 20 °C (68 °F)
M MMM M M MMM M M MMM M
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
L LLL L L LLL L L LLL L
2
L LLL L LLL
M MMM M MMM
1
2
L LLL L LLL