2000 YAMAHA SR125 battery

PERIODIC MAINTENANCE AND MINOR REPAIR
6-34
6
EAU03009
Troubleshooting chart
EW000125
WARNING
@ Never check the fuel system while smoking or in the vicinity of an open flame. @
Check if there is fuel in
the fuel tank.1. Fuel
Enough fuel.
No fuel.
Go to compression check.
Supply fuel.
Engine doesn’t start, go to compression check.
Use the electric starter.2. Compression
There is compression.
No compression.
Go to ignition check.
Ask a Yamaha dealer to
inspect.
Remove spark plug and
check electrodes.3. Ignition
Wet.
Dry.
Wipe clean with dry cloth and correct
spark gap or replace spark plug.
Ask a Yamaha dealer to inspect.
Engine doesn’t start, ask a Yamaha
dealer to inspect.Engine doesn’t start, go to battery
check.Open throttle half-way and start
the engine.
Use the electric starter.4. Battery
Engine turns over
quickly.
Engine turns over
slowly.
Battery good.Check fluid, recharge,
check connections.
E_3mw.book Page 34 Monday, February 5, 2001 9:54 AM

MOTORCYCLE CARE AND STORAGE
7-5
7 a. Remove the spark plug cap and
spark plug.
b. Pour a teaspoonful of engine oil
into the spark plug bore.
c. Install the spark plug cap onto the
spark plug and place the spark
plug on the cylinder head so that
the electrodes are grounded. (This
will limit sparking during the next
step.)
d. Turn the engine over several times
with the starter. (This will coat the
cylinder wall with oil.)
e. Remove the spark plug cap from
the spark plug, install the spark
plug and then the spark plug cap.
EWA00003
WARNING
@ When turning the engine over, be
sure to ground the spark plug elec-
trodes to prevent damage or injury
from sparking. @
6. Lubricate all control cables and
the pivoting points of all levers and
pedals as well as of the sidestand/
centerstand.
7. Check and, if necessary, correct
the tire air pressure, then raise the
motorcycle so that both of its
wheels are off the ground. Alterna-
tively, turn the wheels a little every
month in order to prevent the tires
from becoming degraded in one
spot.
8. Cover up the muffler outlet with a
plastic bag to prevent moisture
from entering.9. Remove the battery and fully
charge it. Store it in a cool, dry
place and recharge it once a
month. Do not store the battery in
an excessively cold or warm place
(less than 0 °C or more than
30 °C). For more information, see
“Battery storage” in the chapter
“PERIODIC MAINTENANCE AND
MINOR REPAIRS”.
NOTE:@ Make any necessary repairs before
storing the motorcycle. @
E_3mw.book Page 5 Monday, February 5, 2001 9:54 AM

SPECIFICATIONS
8-3
8
Maximum load* 160 kg
Air pressure (cold tire)
Up to 90 kg load*
Front 175 kPa (1.75 kg/cm
2, 1.75 bar)
Rear 200 kPa (2.00 kg/cm2, 2.00 bar)
90 kg load ~ maximum load*
Front 175 kPa (1.75 kg/cm2, 1.75 bar)
Rear 225 kPa (2.25 kg/cm2, 2.25 bar)
*Load is total weight of cargo, rider, passenger and accessories
Wheels
Front
Type Spoke
Size 17 ´ 1.60
Rear
Type Spoke
Size 16 ´ 1.85
Brakes
Front
Type Single disc brake
Operation Right hand operation
Fluid DOT 4 or DOT 3
Rear
Type Drum brake
Operation Right foot operationSuspension
Front
Ty p e Te l e s c o p i c f o r k
Rear
Type Swingarm
Shock absorbers
Front Coil spring / oil damper
Rear Coil spring / oil damper
Wheel travel
Front 120 mm
Rear 76 mm
Electrical system
Ignition system C.D.I.
Charging system
Type C.D.I. magneto
Standard output 14 V, 9 A @ 5,000 r/min
Battery
Type 12N7-3B-1
Voltage, capacity 12 V, 7 AH
Headlight typeQuartz bulb (halogen)
E_3mw.book Page 3 Monday, February 5, 2001 9:54 AM