8-52
1
2
3
4
5
6
78
9
10
11
Engine overheating
WARNING
EWB02290
Wait for the engine and radiator to cool before removing the radiator cap. You could be burned by
hot fluid and steam blown out under pressure. Always put a thick rag over the cap when opening.
Allow any remaining pressure to escape before completely removing the cap.
NOTE:
If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the rec-
ommended coolant 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 check
and 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.
10-1
1
2
3
4
5
6
7
8
910
11
EBU25960
SPECIFICATIONS
EBU25977
Dimensions:
Overall length:
1855 mm (73.0 in)
Overall width:
1100 mm (43.3 in)
Overall height:
1080 mm (42.5 in)
Seat height:
800 mm (31.5 in)
Wheelbase:
1280 mm (50.4 in)
Ground clearance:
135 mm (5.3 in)
Minimum turning radius:
3600 mm (142 in)
Weight:
With oil and fuel:
187.0 kg (412 lb)
Engine:
Engine type:
Liquid cooled 2-stroke
Cylinder arrangement:
Forward-inclined parallel 2-cylinder
Displacement:
347.0 cm
3
Bore
×
stroke:
64.0
×
54.0 mm (2.52
×
2.13 in)Compression ratio:
6.50 :1
Starting system:
Kickstarter
Lubrication system:
Premix
Type:
YAMALUBE 2-R, Castrol R30, A545, A747
Engine oil quantity:
Mixing ratio:
YAMALUBE R 24:1
Transmission oil:
Type:
SAE10W30 type SE motor oil (EUR)
YAMALUBE 4 (10W30) or SAE10W30 type SE motor oil
(AUS)(NZL)
Quantity:
1.5 L (1.59 US qt) (1.32 Imp.qt)
Cooling system:
Coolant reservoir capacity (up to the maximum level mark):
0.28 L (0.30 US qt) (0.25 Imp.qt)
Radiator capacity (including all routes):
1.50 L (1.59 US qt) (1.32 Imp.qt)
Air filter:
Air filter element:
Wet element
INDEX
A
Accessories and loading ................................................ 6-6
Air filter element, cleaning ............................................ 8-16
B
Brake and clutch levers, checking and lubricating ....... 8-42
Brake and shift pedals, checking and lubricating ......... 8-42
Brake fluid, changing.................................................... 8-33
Brake fluid level, checking............................................ 8-32
Brake lever ..................................................................... 4-5
Brake lever free play, checking the front ...................... 8-33
Brake light switches ..................................................... 8-37
Brake pads, checking the front and rear ...................... 8-31
Brake pedal .................................................................... 4-5
Brake pedal position, checking .................................... 8-34
Brakes, front and rear .................................................... 5-4
C
Cables, checking and lubricating ................................. 8-41
Carburetor settings, changing ...................................... 8-21
Chassis fasteners........................................................... 5-8
Cleaning ......................................................................... 9-1
Clutch lever .................................................................... 4-4
Clutch lever free play, adjusting ................................... 8-37
Coolant ................................................................. 5-4
,
8-11
D
Drive chain ..................................................................... 5-5
Drive chain, lubricating ................................................. 8-40Drive chain slack .......................................................... 8-38
E
Engine break-in .............................................................. 6-4
Engine, cold start ........................................................... 6-1
Engine idling speed ...................................................... 8-28
Engine, starting a warm ................................................. 6-2
Engine stop switch ......................................................... 4-2
F
Fuel ................................................................................ 4-8
Fuel and 2-stroke engine oil mixing ratio ....................... 5-4
Fuel cock ........................................................................ 4-9
Fuel tank cap.................................................................. 4-7
H
Handlebar switches ........................................................ 4-2
Headlight beam, adjusting............................................ 8-47
Headlight bulb, replacing.............................................. 8-44
I
Identification numbers .................................................. 11-1
Instruments, lights and switches .................................... 5-8
K
Key identification number ............................................. 11-1
Kickstarter ...................................................................... 4-7
L
Label locations ............................................................... 2-1
Light switch .................................................................... 4-2
