Page 26 of 103
INSTRUMENT AND CONTROL FUNCTIONS
3-12
3
EAU01183
FuelMake sure there is sufficient fuel in the
tank. Fill the fuel tank to the bottom of
the filler tube as shown in the illustra-
tion.
EW000130
WARNING
@ Do not overfill the fuel tank. Avoid
spilling fuel on the hot engine. Do
not fill the fuel tank above the bot-
tom of the filler tube or it may over-
flow when the fuel heats up later and
expands. @
EAU00186
CAUTION:@ l
Always wipe off spilled fuel im-
mediately with a dry and clean
soft cloth. Fuel may deteriorate
painted surfaces or plastic
parts.
l
(For Germany only)
The fuel tank cap equipped on
German models is specially de-
signed. Always use the correct
cap whenever replacement is
necessary.
@
EAU00191
NOTE:@ If knocking or pinging occurs, use a dif-
ferent brand of gasoline or higher oc-
tane grade. @
1. Filler tube
2. Fuel level
Recommended fuel:
Regular unleaded gasoline with a
research octane number of 91 or
higher.
Fuel tank capacity:
Total:
20 L
Reserve:
4.5 L
E_4sv_Functions.fm Page 12 Tuesday, August 31, 1999 3:42 PM
Page 43 of 103
OPERATION AND IMPORTANT RIDING POINTS
5-3
51. Turn the main switch to “ON” and
the engine stop switch to “ ”.
EC000035
CAUTION:@ If the fuel indicator light comes on,
check the fuel level. If necessary, fill
the tank with fuel. @2. Shift the transmission into neutral.NOTE:@ When the transmission is in neutral, the
neutral indicator light should be on. If
the light does not come on, ask a
Yamaha dealer to inspect it. @3. Turn on the starter (choke) and
completely close the throttle grip.
4. Start the engine by pushing the
start switch.
NOTE:@ If the engine fails to start, release the
start switch, wait a few seconds, then
try again. Each attempt should be as
short as possible to preserve the bat-
tery. Do not crank the engine more
than 10 seconds on any one attempt. @
EC000036
CAUTION:@ The oil level indicator light and fuel
indicator light should come on when
the start switch is pushed and
should go off when the start switch
is released. If the oil level indicator
light flickers or remains on, immedi-
ately stop the engine and check the
engine oil level and for oil leakage. If
necessary, fill the engine with oil
and check to see that the oil level in-
dicator light goes off. If not, consult
a Yamaha dealer. @
5. After starting the engine, move the
starter (choke) to the halfway posi-
tion.NOTE:@ For maximum engine life, never accel-
erate hard with a cold engine! @6. After the engine is warm, turn off
the starter (choke) completely.NOTE:@ The engine is warm when it responds
normally to the throttle with the starter
(choke) turned off. @
E_4sv_Operation.fm Page 3 Tuesday, August 31, 1999 3:45 PM
Page 94 of 103
SPECIFICATIONS
8-2
8
Fuel
Type Regular unleaded gasoline
Fuel tank capacity 20 L
Reserve amount 4.5 L
Carburetor
Ty p e ´ quantity BDSR38 ´ 4
Manufacturer MIKUNI
Spark plug
Manufacturer/type NGK / DR8EA or
DENSO / X24ESR-U
Gap 0.6 ~ 0.7 mm
Clutch type
Wet, multiple-disc
Transmission
Primary reduction system Spur gear
Primary reduction ratio 1.659
Secondary reduction system Chain drive
Secondary reduction ratio 2.706 (except for D, S, SF)
2.765 (for D, S, SF)
Transmission type Constant mesh 5-speed
Operation Left foot operation
Gear ratio
1st 2.571
2nd 1.778
3rd 1.381
4th 1.1745th 1.037
Chassis
Frame type Diamond
Caster angle 24°
Tr a i l 9 7 m m
Tire
Front
Ty p e Tu b e l e s s
Size 120/70 ZR17
Manufacturer/
model Bridgestone / BT50F
Dunlop / D204FN
Michelin / MACADAM 90XM
Metzeler / MEZ1
Metzeler / MEZ2
Rear
Ty p e Tu b e l e s s
Size 180/55 ZR17
Manufacturer/
model Bridgestone / BT50R
Dunlop / D204M
Michelin / MACADAM 90XM
Metzeler / MEZ1
Metzeler / MEZ2
E_4sv_Spec.fm Page 2 Tuesday, August 31, 1999 3:47 PM