Honda CBR 954RR Service Manual 18 starter
ELECTRIC STARTER
SYSTEM
CLU
DIAGRAM
ENGINE
STOP SWITCH
\
RELAY SWITCH/
-
-
SIDE STAND
SWITCH
SIDE STAND SWITCH
NEUTRAL
-
-
1
INDICATOR
FUSE
1OA
R
RED
......
G
......
GREEN
Y
.......
YELLOW
W
......
WHITE
BI
.....
BLACK
Bu
....
BLUE
Br
.....
BROWN
Lg
....
LIGHT GREEN
18-0
~~
SYSTEM DIAGRAM
SERVICE INFORMATION
TROUBLESHOOTING
18.
18-0
-
1
18
18
-
2
ELECTRIC
STARTER
STARTER MOTOR
STARTER RELAY SWITCH
DIODE
18-4
-
10
18
18-11
I
1
SERVICE
INFO R MATI
0
N
GENERAL
Always turn the ignition switch to
ous injury.
*
When checking the starter system, always follow the steps in the troubleshooting flow chart (page
A weak battery may be unable
If
the current is kept flowing through the starter motor to turn
may
be damaged.
See section
See section
-
Ignition switch
-
Engine stop switch
-
Starter switch
-
Neutral switch
-
Side stand switch
-
Clutch switch
10
for starter clutch servicing.
19
for following components:
"
OFF
"
before servicing the starter
to
turn the starter motor quickly enough, or supply adequate ignition current.
it
while the engine is not cranking over, the starter motor
Jr. The motor ould sudd
mo
SPECIFICATION
Starter
motor
brush length
ITEM
i
1
10.0 - 10.5
STANDARD
(0.39
-
0.41)
TORQUE VALUE
nly st
18-2).
I
'
1
3.5
ausing s ri-
rt,
Unit:
SERVICE
(0.14)
mm
(in)
LIMIT
1
Starter motor terminal nut
12
N*m
(1.2
kgf-m, 9 Ibf-ft)
ELECTRIC STARTER
TROUBLESHOOTING
Starter motor does not turn
Check for blown main or sub fuses before servicing.
Make sure the battery is fully charged and in good condition.
"
Check the starter relay switch operation.
You should hear the relay
"
click" when the
C
I
i
c k" h ea rd
Apply battery voltage to the starter motor direct-
+
ly
and check the operation.
Normal Abnormal
"
Click
"
not heard starter motor cable (page
Disconnect the starter relay switch connector,
and check the relay coil ground wire lines as
below for continuity:
1.
GreeniRed terminal-clutch switch diode-neu-
tral switch line (with the transmission in neu-
tral and clutch lever released).
2.
GreeniRed terminal/clutch switch-side stand
switch line (in any gear except neutral, and
with the clutch lever pulled in and the side
stand up.
I
Normal
Abnormal
Poorly
t
connected
Faulty starter relay
switch (page
w
Faulty neutral switch (page 19-18)
Faulty neutral diode
Faulty clutch switch
Faulty clutchiside stand diode
Faulty side stand switch
Loose or poor contact connector
Open circuit in wire harness
18-10)
Faulty starter motor
t
18-41
ELECTRIC STARTER
The starter motor turns when the transmission
neutral, with the side stand up and the clutch lever pulled in.
Noimal
Check the side stand switch.
I
Normal
Starter motor turns engine
Low battery voltage
Poorly connected battery terminal cable
Poorly connected starter motor cable
-
Faulty starter motor
Poor connected battery ground cable
Starter motor turns, but engine does
Starter motor is running backwards
-
Case assembled improperly
-
Terminals connected improperly
Faulty starter clutch
Damaged or faulty starter drive gear
slowly
not
turn
is
in neutral, but does not turn with the transmission in any position except
Normal
a*
Normal
+
-
Faulty clutch switch
Faulty clutch switch
Open circuit in wire
Loose or poor contact connector
h
rn
ss
Starter relay switch "clicks", but engine does not turn over
Crankshaft does not turn due to engine problems
18-3
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