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8-48
8
EBU25791
Troubleshooting chart
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 electrolyte level, recharge the
battery and check the lead connections.
Dry
Wet
Open the throttle halfway and operate
the electric starter.
U1P065E0.book Page 48 Monday, August 31, 2009 1:10 PM
Summary of Contents for BIG BEAR 250 YFM25BZ
Page 2: ...PRINTED IN USA 2009 08 0 3 1 CR E F S YAMAHA MOTOR CO LTD DIC183 ...
Page 17: ...1 7 1 For Oceania U1P065E0 book Page 7 Monday August 31 2009 1 10 PM ...
Page 19: ...1 9 1 16 UNDER 7 6 U1P065E0 book Page 9 Monday August 31 2009 1 10 PM ...
Page 57: ...7 1 7 EBU21141 RIDING YOUR ATV U1P065E0 book Page 1 Monday August 31 2009 1 10 PM ...
Page 139: ...U1P065E0 book Page 3 Monday August 31 2009 1 10 PM ...