8-67
ELECTRICAL COMPONENTS
c. Measure the spark plug cap resistance.
1. Check:
• Primary coil resistance
Out of specification
→
Replace.
a. Disconnect the ignition coil connectors from
the ignition coil terminals.
b. Connect the multimeter ( Ω × 1) to the igni-
tion coil as shown.
c. Measure the primary coil resistance.
2. Check:
• Secondary coil resistance
Out of specification
→
Replace.
a. Disconnect the spark plug cap from the igni-
tion coil.
b. Connect the multimeter ( Ω × 1k) to the ig-
nition coil as shown.
c. Measure the secondary coil resistance.
CHECKING THE IGNITION SPARK GAP
1. Check:
• Ignition spark gap
Out of specification
→
Perform the ignition
system troubleshooting, starting with step 5.
Refer to “TROUBLESHOOTING” on page
8-3.
If the ignition spark gap is within specification,
the ignition system circuit is operating normally.
a. Disconnect the spark plug cap from the spark
plug.
b. Connect the ignition checker “1” as shown.
Primary coil resistance
2.16–2.64
Ω
at 20 °C (68 °F)
Multimeter
• Positive tester probe
→
orange “1”
• Negative tester probe
→
red/white “2”
1
Secondary coil resistance
8.64–12.96 k
Ω
at 20 °C (68 °F)
• Positive tester probe
→
orange “1”
• Negative tester probe
→
spark plug lead “2”
Minimum ignition spark gap
6.0 mm
ssssssssssssssssssssssssssss
ssssssssssssssssssssssssssss
ssssssssssssssssssssssssssss
ssssssssssssssssssssssssssss
ssssssssssssssssssssssssssss
ssssssssssssssssssssssssssss
Multimeter
8-68
ELECTRICAL COMPONENTS
c. Turn the main switch to “ON” and engine stop
switch to “
”.
d. Measure the ignition spark gap “a”.
e. Crank the engine by pushing the start switch
“
”
CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect:
• Crankshaft position sensor coupler
(from the wire harness)
2. Check:
• Crankshaft position sensor resistance
Out of specification
→
Replace the crank-
shaft position sensor/stator assembly.
a. Connect the multimeter to the
position sensor coupler as shown.
b. Measure the crankshaft position sensor re-
sistance.
CHECKING THE LEAN ANGLE SENSOR
1. Remove:
• Lean angle sensor
2. Check:
• Lean angle sensor output voltage
Out of specification
→
Replace.
a. Connect the lean angle sensor coupler to the
wire harness.
b. Connect the multimeter to the
sensor coupler as shown.
c. Turn the main switch to “ON”.
d. Tilt the lean angle sensor to 65°.
Ignition checker
2. Spark plug cap
Crankshaft position sensor resis-
tance
248–372
Ω
at 20 °C (68 °F)
• Positive tester probe
→
red “1”
• Negative tester probe
→
white “2”
Lean angle sensor output voltage
Less than 65°: 0.4–1.4 V
More than 65°: 3.7–4.4 V
• Positive tester probe
→
yellow/green “1”
• Negative tester probe
→
black/blue “2”
R W
1
2
ssssssssssssssssssssssssssss
ssssssssssssssssssssssssssss
ssssssssssssssssssssssssssss
ssssssssssssssssssssssssssss
L/R
crankshaft
Multimeter
lean angle
Multimeter
Summary of Contents for YZF-R15
Page 1: ...2008 SERVICE MANUAL YZF R15 20P F8197 E0 ...
Page 33: ...2 14 ELECTRICAL SPECIFICATIONS Coil resistance 54 0 66 0 Fuse 20 0A Ω Fuse ...
Page 46: ...2 27 LUBRICATION POINTS AND LUBRICANT TYPES LUBRICATION DIAGRAMS A 1 2 3 4 5 6 7 ...
Page 48: ...2 29 LUBRICATION POINTS AND LUBRICANT TYPES 1 2 3 4 ...
Page 49: ...2 30 LUBRICATION POINTS AND LUBRICANT TYPES 1 Camshaft 2 Crankshaft 3 Main axle 4 Drive axle ...
Page 50: ...2 31 COOLING SYSTEM DIAGRAMS COOLING SYSTEM DIAGRAMS 1 2 3 4 1 5 7 6 4 ...
Page 52: ...2 33 CABLE ROUTING CABLE ROUTING 1 5 2 3 6 4 8 7 ...
Page 54: ...2 35 CABLE ROUTING A A B B C C A A C C B B A B C 1 2 3 4 5 4 5 6 6 7 8 9 10 11 10 11 12 12 ...
Page 56: ...2 37 CABLE ROUTING 1 2 5 4 3 ...
Page 60: ...2 41 CABLE ROUTING A A B C D E 1 2 3 4 5 6 7 8 9 10 A ...
Page 121: ...4 24 FRONT BRAKE Refer to BLEEDING THE HYDRAULIC BRAKE SYSTEM on page 3 18 ...
Page 249: ...7 8 THROTTLE BODY ...
Page 250: ...7 9 AIR INDUCTION SYSTEM AIR INDUCTION SYSTEM 1 2 5 4 5 6 3 2 1 6 4 3 ...
Page 257: ......
Page 269: ...8 12 CHARGING SYSTEM 1 AC magneto 2 Rectifier regulator 3 Battery 42 Fuse ...
Page 271: ...8 14 CHARGING SYSTEM ...
Page 275: ...8 18 LIGHTING SYSTEM ...
Page 285: ...8 28 COOLING SYSTEM ...
Page 311: ...8 54 FUEL PUMP SYSTEM ...