2001 YAMAHA YFM660R battery

Yuki_DATA2:HM00G210_YFM660R-60:YFM350TOC-E.frame
EL
Drive chain slack check .................... 8-77
Drive chain slack adjustment .......... 8-79
Lubricating the drive chain.............. 8-81
Cable inspection and lubrication .... 8-85
Brake and shift pedal/brake and
clutch lever lubrication .................. 8-85
Upper arm and lower arm pivot
lubrication....................................... 8-87
Rear arm pivot lubrication............... 8-89
Wheel removal ................................. 8-93
Wheel installation ............................ 8-95
Battery ............................................... 8-97
Battery maintenance ...................... 8-101
Fuse replacement ........................... 8-103
Replacing the headlight bulb ........ 8-105
Tail/brake light bulb
replacement.................................. 8-115
Troubleshooting ............................. 8-117
Troubleshooting chart ................... 8-119
CLEANING AND STORAGE................... 9-1
A. Cleaning ......................................... 9-1
B. storage ............................................ 9-7SPECIFICATIONS ..................................10-1
HOW TO USE THE CONVERSION
TABLE ....................................................11-1
9
10
11

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Light switch
Turn the switch to the “ ” position to switch
on the low beam and the taillight.
Turn the switch to the “ ” position to switch
on the high beam and the taillight.
Turn the switch to the “OFF” position to switch
off the headlight and the taillight.
CAUTION:
Do not use the headlight with the engine
turned off for more than thirty minutes. The
battery may discharge to the point that the
starter motor will not operate properly. If this
should happen, remove the battery and re-
charge it.

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Battery
This machine is equipped with a sealed-type
battery. Therefore it is not necessary to check
the electrolyte or add distilled water in the bat-
tery. If the battery seems to have discharged,
consult a Yamaha dealer.
CAUTION:
Do not try to remove the sealing caps of the
battery cells. You may damage the battery.

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Yuki_DATA2:HM00G210_YFM660R-60:YFM350-8.frameEL
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 wa-
ter or milk. Follow with milk of magnesia,
beaten egg or vegetable oil. Call a physi-
cian immediately.
EYES: Flush with water for 15 minutes
and get prompt medical attention.
Batteries produce explosive gases. Keep
sparks, flame, cigarettes or other sources of ig-
nition away. Ventilate when charging or using
in an enclosed space. Always shield your eyes
when working near batteries. KEEP OUT OF
REACH OF CHILDREN.

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Yuki_DATA2:HM00G210_YFM660R-60:YFM350-8.frameEL
EBU00385
Battery maintenance
1. When the machine is not used for a month
or longer, remove the battery and store it
in a cool, dark place. Completely recharge
the battery before reinstallation.
CAUTION:
A special battery charger (constant volt-
age/ampere or constant voltage) is required
for recharging a sealed-type battery. Using a
conventional battery charger may shorten the
battery life.
2. Always make sure the connections are
correct when putting the battery back in
the machine.

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EBU00724
Troubleshooting chart
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.WetWipe clean with dry cloth.
DryAttach 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.

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Yuki_DATA2:HM00G210_YFM660R-60:YFM350-9.frameEL
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 atmo-
sphere, 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 ex-
cessively warm or cold place (less than
0 ˚C or more than 30 ˚C).
NOTE:
Make any necessary repairs before storing the
machine.

Yuki_DATA2:HM00G210_YFM660R-60:YFM350-SPEC-E.frameEL
10-5
Wheel travel:
Front
Rear230 mm
220 mm
Electrical:
Ignition system
Generator system
Battery type/voltage capacityDC-C.D.I.
A.C. Magneto
YTX14-BS/12 V, 12 AH
Headlight type: Krypton bulb
Bulb voltage, wattage
× quantity:
Headlight
Tail/brake light
Indicator/warning lights:
Neutral
Reverse
Coolant temperature12 V, 30 W/30 W × 2
12 V, 5 W/21 W × 1
12 V, 1.7 W × 1
12 V, 1.7 W × 1
12 V, 1.7 W × 1
Fuse:
Main fuse 20 AMODEL YFM660R