8-55
8
EBU25781
Troubleshooting charts
Starting problems or poor engine performance
Check the fuel level in
the fuel tank.
1. Fuel
There is enough fuel.
There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.
2. Compression
There is compression.
There is no compression.
Check the ignition.
Have a Yamaha dealer
check the ATV.
Remove the spark plug
and check the electrodes.
3. Ignition
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug.
Have a Yamaha dealer check the ATV.
The engine does not start.
Have a Yamaha dealer
check the ATV.
The engine does not start.
Check the battery.
Operate the electric starter.
4. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.
Check the battery lead connections,
and charge the battery if necessary.
Dry
Wet
Open the throttle halfway and operate
the electric starter.
U2C661E0.book Page 55 Thursday, March 16, 2006 10:45 AM
Summary of Contents for GRIZZLY 660 YFM66FGW
Page 1: ...YFM66FGW 2C6 28199 61 OWNER S MANUAL MANUEL DU PROPRIÉTAIRE MANUAL DEL PROPIETARIO ...
Page 3: ...OWNER S MANUAL YFM66FGW 2C6 28199 61 E0 U2C661E0 book Page 1 Thursday March 16 2006 10 45 AM ...
Page 17: ...2 3 2 For Europe U2C661E0 book Page 3 Thursday March 16 2006 10 45 AM ...
Page 18: ...2 4 2 For Europe U2C661E0 book Page 4 Thursday March 16 2006 10 45 AM ...
Page 19: ...2 5 2 For Europe U2C661E0 book Page 5 Thursday March 16 2006 10 45 AM ...
Page 20: ...2 6 2 For Oceania U2C661E0 book Page 6 Thursday March 16 2006 10 45 AM ...
Page 21: ...2 7 2 For Oceania U2C661E0 book Page 7 Thursday March 16 2006 10 45 AM ...
Page 61: ...7 1 7 EBU21141 RIDING YOUR ATV U2C661E0 book Page 1 Thursday March 16 2006 10 45 AM ...
Page 151: ...11 3 11 1 Model label U2C661E0 book Page 3 Thursday March 16 2006 10 45 AM ...
Page 155: ...U2C661E0 book Page 4 Thursday March 16 2006 10 45 AM ...