PERIODIC MAINTENANCE AND MINOR REPAIR
6-21
2
3
4
5
67
8
9
EAU22720
Changing the brake fluid
Have a Yamaha dealer change the
brake fluid at the intervals specified in
the NOTE after the periodic mainte-
nance and lubrication chart. In addition,
have the oil seals of the brake master
cylinder and caliper as well as the
brake hose replaced at the intervals
listed below or whenever they are dam-
aged or leaking.
Oil seals: Replace every two
years.
Brake hose: Replace every four
years.
EAU22760
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22770
To check the drive chain slack
1. Place the motorcycle on a level
surface and hold it in an upright po-
sition.
NOTE:
When checking and adjusting the drive
chain slack, the motorcycle should be
positioned straight up and there should
be no weight on it.
2. Shift the transmission into the neu-
tral position.
3. Move the rear wheel by pushing
the motorcycle to locate the tight-
est portion of the drive chain, and
then measure the drive chain slack
as shown.4. If the drive chain slack is incorrect,
adjust it as follows.
EAU22821
To adjust the drive chain slack
1. Loosen the brake pedal free play
adjusting nut, axle nut, and locknut
at each end of the swingarm.
Drive chain slack:
30.0–40.0 mm (1.18–1.57 in)
1. Drive chain slack
1
8-1
1
2
3
4
5
6
7
8
9
SPECIFICATIONS
EAU26333
Dimensions:
Overall length:
2320 mm (91.3 in)
Overall width:
910 mm (35.8 in)
Overall height:
1075 mm (42.3 in)
Seat height:
670 mm (26.4 in)
Wheelbase:
1530 mm (60.2 in)
Ground clearance:
150 mm (5.91 in)
Minimum turning radius:
2900 mm (114.2 in)
Weight:
With oil and fuel:
156.0 kg (344 lb)
Engine:
Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
V-type 2-cylinder
Displacement:
124.0 cm
3
(7.57 cu.in)
Bore
×
stroke:
41.0
×
47.0 mm (1.61
×
1.85 in)
Compression ratio:
11.00 :1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:
Type:
SAE10W30 or SAE10W40 or SAE15W40
or SAE20W40 or SAE20W50
Recommended engine oil grade:
API service SE, SF, SG type or higher
Engine oil quantity:
Without oil filter element replacement:
1.40 L (1.48 US qt) (1.23 Imp.qt)
With oil filter element replacement:
1.60 L (1.69 US qt) (1.41 Imp.qt)
Air filter:
Air filter element:
Dry element
Fuel:
Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
11.0 L (2.91 US gal) (2.42 Imp.gal)
Fuel reserve amount:
3.4 L (0.90 US gal) (0.75 Imp.gal)
Carburetor:
Manufacturer:
MIKUNI
Type x quantity:
BDS26 x 1
Spark plug(s):
Manufacturer/model:
NGK/CR7HSA
Manufacturer/model:
DENSO/U22FSR-U
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Clutch:
Clutch type:
Wet, multiple-disc
Transmission:
Primary reduction system:
Spur gear
Primary reduction ratio:
85/25 (3.400)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
59/16 (3.688)
Transmission type:
Constant mesh 5-speed
Operation:
Left foot operation
Gear ratio:
1st:
37/14 (2.643)
2nd:
32/19 (1.684)
-20 -10 0
10 20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40
