Troubleshooting; Engine Does Not Start Or Is Hard To Start - Honda 1984 Shadow VT700C Manual

24. TROUBLESHOOTING
ENGINE DOES NOT START OR IS HARD TO START
ENGINE LACKS POWER
POOR PERFORMANCE AT LOW AND IDLE SPEEDS
POOR PERFORMANCE AT HIGH SPEED
POOR HANDLING
HYDRAULIC TAPPET
ENGINE DOES NOT START OR IS HARD TO START
"-
Check fu.1 flow to
c.rbur.tor.
NOT REACHING CARBURETOR
REACHING CARBURETOR
I
2. PerlOl"m I spark test .
WEAK OR NO SPARK
GOODSPAA K
3.
Tin cylinder eompr_lon.
LOW COMPRESSION
COMPRESSION NORMAL
I
4.
Start by follCIWlng norm. ' proced ur • .
ENGINE STAATS BUT STOPS
ENGINE DOES NOT FIRE
1
5. R8mOl/fl.nd inspect tperk plug.
WET PLUG
.. (1 )
121
(JI
(41
(SI
.. (11
121
131
141
151
161
m
181
.. (11
121
131
141
151
,.,
1 (1)
'21
'31
'41
(SI
_ (11
'( 2 )
131
(4)
24-1
24-2
24- 3
24- 3
24-3
24- 4
POSSIBLE CAUSE
Fuel lenk empty.
Clogg.:! fu.1 tuM or fu.1 filt.,. .
Sticking flNt
wolve.
Flul1y fu.1 pump,
PlnehKl fu.1 ttnk wnt twse.
F.ulty spark pluljjI .
Fouled spark plu",.
F.ulty
~rk
unit.
Broken or Ihorted
~rk
plug
wires.
F,ultv sperk unit.
Bro ken or Ihorted IIInl110n coil .
Faulty ignition switcn.
Faulty puIMIJII",rllor .
Low
ban.ry merge .
v.lve stuck open.
Worn cylinder .nd pilton ring"
D.megld cyllnde.- heed
lIIuket .
Selud \/lIve .
Improper ",III' timing ,
Improper choke oper.tlon.
C.rburetor lneorrect ly «tjusted.
In~k. pipe INk ing.
Improper fvnltion tlmlll1l.
(Sperk unit
Of
pulse g.n.r.tor).
FIJII eontemlna111d.
Cerburltor flooded.
Chok. cloted.
Throttle w ive open.
Air clllll ner dirty.
24-1
EDI