Troubleshooting; Engine Does Not Start Or Is Hard To Start - Honda ATC200S Workshop Manual

17. TROUBLESHOOTING
ENGINE DOES NOT START OR IS HARD TO START
ENGINE LACKS POWER
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POOR PERFORMANCE AT LOW AND IDLE SPEEDS
POOR PERFORMANCE AT HIGH SPEEDS
POOR HANDLING
ENGINE ODES NOT START OR IS HARD TO START
1. Check
if fuel
is getting to
carbure tor
GETTING TO CARBURE TOR
I
2. Tty spark test
3. Test cylinder compression
COMPRESSION NORMAL
4. Start by following norma l starting
procedure
ENGINE DOES NOT FIRE
j
5. Ramo~e spar K plug
DRY
I
6. Start with choke applied
Probable Cause:
NOT GETT ING TO -------.~ P) No fuel in fuel tank
CARBURE TO R (21 Clogged fuel tube or fuel
filter
(3) Clogged 1100\ va lve
(4) Clogged fuel tank cap
brea ther
tube.
WE AK OR NO SPARK - - - -- _. (1) FaUlty spark plug
(2) Fouled spark plug
(3) Faulty COl un it
(4) Broken or shorted spark pll>9
wire
(5) Faulty A.C . gene rat or
(6) Broken or shorted ignition
co il
P)
Fau lty pulse generator
(8) Poorly connec ted, broken
Or shorted wi res
(9) Pulse generator rotor air gap
incorrl!(:t
lOW COM P RESSION - - -_ __ _ • (ll Fau lty recoil sta rter
(2) Valve clearance too $rTIali
(3) Valve stuck open
(4) Worn cylinder and piston
rings
(5) Damaged cylinder head gasket
(6) Sei zed va lve
(7) Improper valve ti ming
(8) Faulty decompressor lever
ENG IN E F IRES BUT - - - - - -•• _ (1) Cho ke
e ~cessively
open
SOON STOPS (2) Carburetor pilot SCreW
el<CI!u,velvetolled
(3) A,r lea king past carbure tor
insul ator
(4) Improper ignition timing
(COl unit or pulse
generator faulty)
WET
PlUG---------~
•• (1) Carburetor floaded
205
(2) Carburetor choke
e~cessively
closed
(3) Throttle valve eKCI!uively
""'"
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