8-55
EBU00806
Troubleshooting charts
Starting problems or poor engine performance
1. Fuel
Check if there is fuel
in the fuel tank.
There is fuel.
Turn the fuel cock
lever to “OFF”.
No fuel.
Fuel cock is
clogged.
Clean the
fuel cock.
Some fuel.
Turn the fuel cock
lever to “RES”.
Restart the engine.
No fuel.
Supply fuel.
2. Compression
Use the electric
starter to see if
there is compression.
There is compression.
Compression normal.
No compression.
Ask a Yamaha dealer to
inspect.
3. Ignition
Remove the
spark plug and
check electrodes.
Wet
Wipe clean with dry cloth.
Dry
Attach spark plug cap and
ground to chassis.
Use the
electric starter.
Spark is good.
Ignition system is
normal.
Spark is weak.
Adjust the spark plug gap
or replace the spark plug.
No spark.
Ask a Yamaha dealer to
inspect.
4. Battery
Use the electric starter.
Engine turns over
quickly.
Battery is good.
Engine turns over
slowly.
Check the connections.
Check the
fuel flow.
Turn the fuel cock
lever to “ON”.
Remove the fuel hose
from the fuel cock.
U5TE10.book Page 55 Wednesday, April 10, 2002 10:32 AM
Summary of Contents for KODIAK 400 Ultramatic 4x4
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Page 13: ...7 8 U5TE10 book Page 4 Wednesday April 10 2002 10 32 AM ...
Page 44: ...1 Auxiliary DC jack U5TE10 book Page 22 Wednesday April 10 2002 10 32 AM ...
Page 71: ...7 Riding Your ATV U5TE10 book Page 1 Wednesday April 10 2002 10 32 AM ...
Page 72: ...U5TE10 book Page 2 Wednesday April 10 2002 10 32 AM ...
Page 103: ...U5TE10 book Page 33 Wednesday April 10 2002 10 32 AM ...
Page 181: ...1 2 3 4 5 6 7 8 9 10 11 12 13 U5TE10 book Page 2 Wednesday April 10 2002 10 32 AM ...
Page 182: ...EBU00435 YAMAHA EXTENDED SERVICE Y E S U5TE10 book Page 1 Wednesday April 10 2002 10 32 AM ...
Page 183: ...1 2 3 4 5 6 7 8 9 10 11 12 13 U5TE10 book Page 2 Wednesday April 10 2002 10 32 AM ...
Page 184: ...EBU00437 U5TE10 book Page 3 Wednesday April 10 2002 10 32 AM ...
Page 185: ...EBU00438 ...