Periodic maintenance an d a djustment
6-35
6
En
gine overheatin g
WARNING
EWAT1041
Do not remove the ra diator cap when the en gine an d ra diator are hot. Scal din g hot flui d an d steam may be
b lown out un der pressure, which coul d cause serious injury. Be sure to wait until the en gine has coole d.
Place a thick ra g, like a towel, over the ra diator cap, an d then slowly rotate the cap counterclockwise to the
d etent to allow any resi dual pressure to escape. When the hissin g soun d has stoppe d, press down on the cap
while turnin g it counterclockwise, an d then remove the cap.TIPIf coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended cool-
ant as soon as possible.
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 TIP.)
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.
U2SSE2E0.book Page 35 Monday, July 20, 2015 2:28 PM
Specifications
8-1
8
Dimensions:Overall length:2535 mm (99.8 in)
Overall width:
860 mm (33.9 in)
Overall height: 1130 mm (44.5 in)
Seat height: 670 mm (26.4 in)
Wheelbase:
1755 mm (69.1 in)
Ground clearance: 150 mm (5.91 in)
Minimum turning radius: 3.4 m (11.16 ft)Wei ght:Curb weight:
293 kg (646 lb)Engine:Combustion cycle:
4-stroke
Cooling system: Liquid cooled
Valve train: SOHC
Cylinder arrangement:
V-type
Number of cylinders: 2-cylinder
Displacement: 1304 cm³
Bore × stroke:
100.0 × 83.0 mm (3.94 × 3.27 in) Compression ratio:
9.5 : 1
Starting system: Electric starter
Lubrication system:
Wet sump
Engine oil:Recommended brand:
YAMALUBE
SAE viscosity grades:
10W-40
Recommended engine oil grade: API service SG type or higher, JASO
standard MA
Engine oil quantity: Oil change:
3.20 L (3.38 US qt, 2.82 Imp.qt)
With oil filter removal: 3.40 L (3.59 US qt, 2.99 Imp.qt)Coolant quantity:Coolant reservoir (up to the maximum level
mark):0.45 L (0.48 US qt, 0.40 Imp.qt)
Radiator (including all routes):
2.10 L (2.22 US qt, 1.85 Imp.qt)Air filter:Air filter element:Oil-coated paper elementFuel:Recommended fuel:Regular unleaded gasoline (Gasohol [E10]
acceptable)
Fuel tank capacity: 15 L (4.0 US gal, 3.3 Imp.gal) Fuel reserve amount:
4.1 L (1.08 US gal, 0.90 Imp.gal)
Fuel injection:Throttle body:
ID mark: 3D8D 40Spark plu g(s):Manufacturer/model:
NGK/LMAR7A-9
Spark plug gap: 0.8–0.9 mm (0.031–0.035 in)Clutch:Clutch type:Wet, multiple-discDrivetrain:Primary reduction ratio:
1.556 (70/45)
Final drive: Belt
Secondary reduction ratio: 2.258 (70/31)
Transmission type:
Constant mesh 5-speed
Gear ratio: 1st:
2.769 (36/13)
2nd: 1.778 (32/18)
3rd: 1.381 (29/21)
4th:
1.115 (29/26)
5th: 0.960 (24/25)
U2SSE2E0.book Page 1 Monday, July 20, 2015 2:28 PM
