Honda CB900F 919 (2001) [428/432] Idle speed

Honda CB900F 919 (2001) [428/432] Idle speed
TROUBLESHOOTING
11. Check f
or
engine overheating
------
- Over
heat
ing
--
-~-
-1
"
I
Not
ove
rheati ng
Poss
ible c
ause
Coo
lant
level low
Fan
mot
or
not
wo
rking (faul
ty
fan
mot
or
switch)
Thermostat stuck
clo
sed
Excessive carbon
build
-up in
com bustio n cha
mber
Use of
poo
r quality fuel
Wro ng type of fuel
Cl
ut
ch
slip
p
ing
12. Accel
erate
or
run
at high
speed
------
- Engine kno cks
--
-
--
.
Engine
does
not
knock
Worn piston an d cylinder
Wrong
typ e of fuel
Excessive carbon bu ild-up in co m-
bustio
n chamber
Ignition
timing
to advanced (faulty
ECM )
Lean fue l m
ixtur
e
POOR PERFORMANCE
AT
LOW
AND
IDLE SPEED
Possible
cau
se
1. Check ignition
tim
ing
---
---
- - -
--
Incorrect
----
---
...
~
I
mp
roper
ign
it
ion
tim
ing
I
Correct
t
2. Check the
start
er valve syn
chroni
zation
----I
ncorrect
I
Correct
------
---<
..
...
.See section 5
--
-1
"
~
. Fau
lty
s
park
plug
Faulty carbon or w et fouled spark
plug
F
ault
y ECM
Faulty ignition
coil
Faulty engine s
top
switch
F
ault
y igniti on pu lse generato r
Faulty
ignition
s
wit
ch
Loose
or
dis
conn
ec
ted
ignition
system
wi
res
--
- - - - - - - - Abnormal - - -
--
-
-t
..
~
See section 5
Good
spark
3. Inspect the fu el fl
ow
--
-
---
-
---
- Abnormal - -
--
- -
-t
...
~
Faulty pres
sur
e regulat
or
(S
ection
5)
I
No
rma
l
+
4. I
nspect
th e fuel inject
or
I
N
orm
al
+
5. Check for leaks in the intake
pip
e -
-----
Leaking
--
---
- -
__
..
~
Loose insulator clamp
I
Damaged
insulator
No
t leak
ing
+
6.
Perform
spark test
------------
Weak
or
inte
rm
itte
nt
j spark
21-3

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