Troubleshooting; Engine Will Not Start Or Hard Starting - Honda XLR200R Service Manual

MAINTENANCE INFORMATION
TROUBLESHOOTING
Major troubles affecting the entire engine are explained in this section. Those not explained in this section are. discussed in
the appropriate chapters.
ENGINE WILL NOT START OR HARD STARTING
Check if engine will undergo cranking with
starler motor
I
WITH cranking
.~
Remove spark plug, check spark plug
condition
I
Plug is NORMAL
NO cranking
Plug terminal
is leaking
---.)... Battery discharge
Starting system problem (refer to appropriate chapter)
Engine seized
----l.~
Bad starting wet plug
Rich air mixture (c:>Fuel System)
. Replace plug and turn gasoline cock OFF.
Open throttle wide, and re'start.
f - - - - - NO sparks or
----).~.
Ignition problem (c:>lgnition System)
' - - - - - - , - - - ' - - - - - - - - - - ' weak sparks
STRONG
spar~s
1
Loosen carburetor
drain~crew,
check if
there is sufficient gasoline in the float chamber.
Remember to use a pan for gasoline.
I
There is gasoline
NORMAL pressure
~
Remove plug,
PUI
new gasoline into cylinder f - - - - - -
and re·start (do not use choke, open throttle
wide)
I
NO explosion
NO gasoline, or
------i.~.
Fuel distribution problem (c:>Fuel System)
little gasoline
NO pressure, or ----)... Cylinder head problem
low pressure (c:>Cylinder Head)
Cylinder, piston problem
(c:>Cylinder, Piston)
Exploding Sound
---l>~
Choke is not functioning
Rich Mixture (c:>Fuel System)
Suck secondary air
Gasoline deterioration
Clogged carburetor
I'------------------------'.~.
Improper ignition timing
1-21