Page 14 of 84
EAU10420
Right view
DESCRIPTION
2-2
2
12
34
5
6
789 11101213
1. Rear turn signal light (page 6-27)
2. Grab bar
3. Seat (page 3-13)
4. Battery (page 6-23)
5. Front turn signal light (page 6-27)
6. Fuses (page 6-24)
7. Front brake pads (page 6-18)8. Radiator
9. Coolant level window (page 6-11)
10. Coolant reservoir cap (page 6-11)
11. Passenger footrest
12. Engine oil filler cap (page 6-8)
13. Rear brake pads (page 6-18)
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If a fuse is blown, replace it as
follows.1. Turn the key to “OFF” and turn off the electrical circuit in question.
2. Remove the blown fuse, and then install a new fuse of the specified
amperage.ECA10640
CAUTION:
Do not use a fuse of a higher ampe-
rage rating than recommended to
avoid causing extensive damage to
the electrical system and possibly a
fire.
3. Turn the key to “ON” and turn on the electrical circuit in question
to check if the device operates.
4. If the fuse immediately blows again, have a Yamaha dealer
check the electrical system.
EAU23730
Replacing a headlight bulb
This model is equipped with two
quartz bulb headlights. If a headlight
bulb burns out, replace it as follows.1. Remove cowling B. (See page 6-6.)
2. Disconnect the headlight coupler, and then remove the bulb cover.
1. Headlight coupler
2. Headlight bulb cover
3. Unhook the headlight bulb hol-der, and then remove the defecti-
ve bulb.
1
2
Specified fuses:Main fuse:30 A
Headlight fuse: 15 A
Signaling system fuse: 15 A
Ignition fuse: 5 A
Ecu fuse (backup): 5 A
Radiator fan fuse: 10 A
Backup fuse (backup): 5 A
Reserve fuse: 30 A
15 A
10 A
5 A
PERIODIC MAINTENANCE AND MINOR REPAIR
6-25
6
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Engine overheatingEWA10400
s s
WARNING
Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be
blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled.
After removing the radiator cap retaining bolt, place a thick rag, like a towel, over the radiator cap, and then
slowly rotate the cap counterclockwise to the detent to allow any residual pressure to escape. When the his-
sing sound has stopped, press down on the cap while turning it counterclockwise, and then remove the cap.
PERIODIC MAINTENANCE AND MINOR REPAIR
6-31
6
Wait until the
engine has cooled.Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.
The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer checkand repair the cooling system.
Add coolant. (See NOTE.)
Start the engine. If the engine overheats again, have a
Yamaha dealer check and repair the cooling system.
There is
leakage.
There is
no leakage.
NOTE:
If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended
coolant as soon as possible.
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DimensionsOverall length2210 mm (87.0 in)
Overall width 790 mm (31.1 in)
Overall height 1380 mm (54.3 in)
Seat height 785 mm (30.9 in)
Wheelbase 1545 mm (60.8 in)
Ground clearance 112.7 mm (4.44 in)
Minimum turning radius 3650 mm (143.7 in)
WeightWith oil and fuel176 kg (388 lb)
EngineEngine typeLiquid cooled 4-stroke, SOHC
Cylinder arrangement Forward-inclined single cylinder
Displacement 249.7 cm
3(15.24 cu*in)
Bore x stroke 69.0 x 66.8 mm (2.71 x 2.63 in)
Compression ratio 10:01
Starting system Electric starter
Lubrication system Wet sump
Oil type or gradeEngine oilSAE 10W30
Recommended engine oil grade API service SE, SF, SG type or higher
Engine oil quantityPeriodic oil change1.2 L (1.27 US qt) (1.06 Imp qt)
Final transmission oilTypeYAMALUBE 4 (10W30) of SAE10W30
type SE motorolie
Quantity 0.25 L (0.26 US qt) (0.22 Imp qt)
Cooling systemRadiator capacity (including all routes)0.34 L (0.36 US qt) (0.30 Imp qt)
Coolant reservoir capacity (up to the
maximum level mark) 0.26 L (0.23 Imp qt, 0.28 US qt)
Air filterAir filter elementDry element
Recommended fuelRecommended fuelUnleaded fuel
Fuel tank capacity 12.5 L (3.30 US gal) (2.75 Imp gal)
Fuel reserve amount 2 L (0.53 US gal) (0.44 Imp gal)
Fuel injectionManufacturerAISAN Type x quantity
EFI System x 1
Spark plug (s)Manufacturer/modelNGK/DPR8EA-9
Spark plug gap 0.8-0.9 mm (0.031-0.035 in)
ClutchClutch typeDry, automatic centrifugal
TransmissionPrimary reduction systemHelical gear
Primary reduction ratio 40/15 (2.666)
Secondary reduction system Helical gear
Secondary reduction ratio 40/14 (2.857)
Transmission type V-belt automatic
Operation Centrifugal automatic type
ChassisFrame typeSteel tube underbone
Caster angle 28 º
Trail 100 mm (3.94 in)
Front tireTypeTubeless
SPECIFICATIONS
8-1
8
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Turn signal indicator lightLED x 2
Engine trouble warning light LED
Immobilizer light LED
FusesMain fuse:30 A
Headlight fuse: 15 A
Signaling system fuse: 15 A
Ignition fuse: 5 A
Ecu fuse (backup): 5 A
Radiator fan fuse: 10 A
Backup fuse (backup): 5 A
Reserve fuse: 30 A
15 A
10 A
5 A
SPECIFICATIONS
8-3
8
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