8-95
DATA_Disk:KAYO_DATA:AK9005_YFM400FW-67:YFM400-8.fm
EL
EBU00440
Troubleshooting chart
1. Fuel
Check if there is fuel
in the fuel tank.
There is fuel.
Turn the fuel
cock to “OFF”.
Remove the fuel pipe
from the fuel cock.
Fuel cock
clogged.
Clean fuel
cock.
Some fuel.
Turn the fuel
cock to “RES”.
Restart engine.
No fuel.
Supply fuel
2. Compression
Use electric starter
to see if there is
compression.
There is compression.
No compression.
3. Ignition
Remove plug and
check electrodes.
Wet
Wipe clean with
dry cloth.
Dry
Attach plug cap and
ground to chassis.
Use the
electric starter.
Spark good.
Ignition system
normal.
Spark weak.
Adjust plug gap
or replace plug.
No spark.
Ask a Yamaha dealer to inspect.
4. Battery
Use electric starter.
Engine turns over
quickly.
Battery good.
Engine turns over
slowly.
Check fuel
flow.
Turn the fuel
cock to “ON”.
Compression normal.
Ask a Yamaha dealer to inspect.
Recharge, check
connections.
No fuel.
Summary of Contents for 4SH-28199-67
Page 2: ...DATA_Disk KAYO_DATA AK9005_YFM400FW 67 YFM400 INT fm EL EBU00000 ...
Page 3: ...DATA_Disk KAYO_DATA AK9005_YFM400FW 67 YFM400 INT fm ER FBU00000 SBU00000 ...
Page 17: ...ER DATA_Disk KAYO_DATA AK9005_YFM400FW 67 YFM400TOC E fm ...
Page 21: ...ER DATA_Disk KAYO_DATA AK9005_YFM400FW 67 YFM400TOC F fm ...
Page 67: ...4 8 DATA_Disk KAYO_DATA AK9005_YFM400FW 67 YFM400 4 fm ER ...
Page 172: ...7 1 DATA_Disk KAYO_DATA AK9005_YFM400FW 67 YFM400 7 fm EL Riding Your ATV 7 1 ...
Page 349: ...8 98 DATA_Disk KAYO_DATA AK9005_YFM400FW 67 YFM400 8 fm ER ...
Page 373: ...DATA_Disk KAYO_DATA AK9005_YFM400FW 67 YFM400SPEC F fm ER 10 14 ...