Page 428 of 496
8-139
6. Turn the key to “ON” and turn on the electrical
circuit in question to check if the device oper-
ates. If the fuse blows again immediately,
have a Yamaha dealer check the electrical
system.
7. Reinstall the battery compartment cover by
installing the quick fastener screws.
8. Close the hood.
EE.book Page 139 Tuesday, June 17, 2008 9:00 AM
Page 446 of 496
8-157
5B410024
Troubleshooting charts
Starting problems or poor engine performance1. Fuel
Check if there is fuel
in the fuel tank.There is fuel.
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 the 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,
recharge.
Check the compression.
EE.book Page 157 Tuesday, June 17, 2008 9:00 AM
Page 460 of 496
9-9
3. Lubricate all control cables.
4. Block up the frame to raise all wheels off the
ground.
5. Tie a plastic bag over the exhaust pipe outlet
to prevent moisture from entering.
6. 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 covers.
7. 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 (30°F) or more
than 30°C (90°F)].
Use of fuel stabilizer and conditioner eliminates
the need to drain the fuel system. Consult a
Yamaha dealer if the fuel system needs to be
drained.
EE.book Page 9 Tuesday, June 17, 2008 9:00 AM
Page 467 of 496
10-6
Brakes:
System Front and rear unified
Type front Dual disc brake
rear Dual disc brake
Operation Foot operation
Suspension:
Front suspension Double wishbone
Rear suspension Double wishbone
Shock absorber:
Front shock absorber Coil spring/gas-oil damper
Rear shock absorber Coil spring/gas-oil damper
Wheel travel:
Front wheel travel 185 mm (7.3 in)
Rear wheel travel 185 mm (7.3 in)
Electrical:
Ignition system TCI (digital)
Generator system AC magneto
Battery type U1L-11
Battery capacity 12 V 28.0 AhModel YXR70FSP2Y
EE.book Page 6 Tuesday, June 17, 2008 9:00 AM
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