2003 YAMAHA YFM350R battery

8-79
WARNING
Battery electrolyte is poisonous and danger-
ous, causing severe burns, etc. It contains sul-
furic acid. Avoid contact with skin, eyes or
clothing.
Antidote:
EXTERNAL: Flush with water.
INTERNAL: Drink large quantities of water or
milk. Follow with milk of magnesia, beaten egg
or vegetable oil. Call a physician immediately.
EYES: Flush with water for 15 minutes and get
prompt medical attention. Batteries produce
explosive gases. Keep sparks, flame, ciga-
rettes or other sources of ignition away. Venti-
late when charging or using in an enclosed
space. Always shield your eyes when working
near batteries. KEEP OUT OF REACH OF CHIL-
DREN.
U5NF62.book Page 79 Wednesday, May 8, 2002 1:40 PM

8-81 1. Maximum level mark 2. Minimum level mark
3. Negative (–) lead 4. Positive (+) lead
1. Repère de niveau maximum 2. Repère de niveau minimum
3. Fil négatif (–) 4. Fil positif (+)
1. Marca del nivel máxima 2. Marca del nivel mínimo
3. Cable negativo (–) 4. Cable positivo (+)
EBU01195
Replenishing the battery fluid
A poorly maintained battery will corrode and dis-
charge quickly. The battery fluid should be
checked at least once a month.
1. The level should be between the maximum
and minimum level marks. Use only distilled
water if refilling is necessary.
2. Disconnect the negative (–) lead.
3. Disconnect the positive (+) lead, and then re-
move the battery.CAUTION:_ Normal tap water contains minerals which are
harmful to a battery. Therefore, refill only with
distilled water. _
U5NF62.book Page 81 Wednesday, May 8, 2002 1:40 PM

8-83
4. When the machine is not to be used for a
month or longer, remove the battery and
store it in a cool, dark place. Completely re-
charge the battery before using.
5. If the battery is to be stored for a longer peri-
od than the above, check the specific gravity
at least once a month and recharge the bat-
tery when it is too low.
6. Always make sure the connections are cor-
rect when putting the battery back in the ma-
chine. Make sure the breather hose is
properly connected and is not damaged or
obstructed.
U5NF62.book Page 83 Wednesday, May 8, 2002 1:40 PM

8-101
EBU00440*
Troubleshooting chart1. Fuel
Check if there is fuel
in the fuel tank.There is fuel.Turn the fuel
cock to “OFF”.No fuel.Fuel cock
clogged.
Clean fuel
cock. Some fuel.Turn the fuel
cock to “RES”.Restart 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 plug and
check electrodes.WetWipe clean with dry cloth.
DryAttach 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 the electric
starter.Engine turns over
quickly.Battery good.
Engine turns over
slowly.Check fluid, recharge,
check connections.Check fuel
flow.
Turn the fuel
cock to “ON”.
Remove the
fuel hose.
U5NF62.book Page 101 Wednesday, May 8, 2002 1:40 PM

9-9
5. Block up the frame to raise all wheels off the
ground.
6. Tie a plastic bag over the exhaust pipe outlet
to prevent moisture from entering.
7. If storing in a humid or salt-air atmosphere,
coat all exposed metal surfaces with a light
film of oil. Do not apply oil to any rubber parts
or the seat cover.
8. Remove the battery and charge it. Store it in
a dry place and recharge it once a month. Do
not store the battery in an excessively warm
or cold place (less than 0°C or more than
30°C).NOTE:Make any necessary repairs before storing the
machine.
U5NF62.book Page 9 Wednesday, May 8, 2002 1:40 PM

10-5
Shock absorber:
Front
RearCoil spring / oil damper
Coil spring / gas-oil damper
Wheel travel:
Front
Rear200 mm
200 mm
Electrical:
Ignition system
Generator system
Battery type/voltage, capacityD.C. C.D.I.
A.C. magneto
GM12CZ-4A-2/12V, 12Ah
Headlight type: Krypton bulb
Bulb voltage, wattage
× quantity:
Headlight
Tail/brake light
Indicator light:
Neutral
Reverse12V, 30W/30W
× 2
12V, 5W/21W
× 1
12V, 3.4W
× 1
12V, 3.4W
× 1
Fuse: 15AMODEL YFM350X
U5NF62.book Page 5 Wednesday, May 8, 2002 1:40 PM