Page 25 of 103
INSTRUMENT AND CONTROL FUNCTIONS
3-11
3
EAU00162
Rear brake pedalThe rear brake pedal is on the right
side of the motorcycle. Press down on
the brake pedal to apply the rear brake.
EAU02935
Fuel tank capTo open
Open the lock cover. Insert the key and
turn it 1/4 turn clockwise. The lock will
be released and the cap can be
opened.
To close
Push the tank cap into position with the
key inserted. To remove the key, turn it
counterclockwise to the original posi-
tion. Then, close the lock cover.
NOTE:@ This tank cap cannot be closed unless
the key is in the lock. The key cannot
be removed if the cap is not locked
properly. @
EW000023
WA R N I N G
@ Be sure the cap is properly installed
and locked in place before riding the
motorcycle. @
1. Rear brake pedal
1. Lock cover
2. Open
E_4sv_Functions.fm Page 11 Tuesday, August 31, 1999 3:42 PM
Page 78 of 103

PERIODIC MAINTENANCE AND MINOR REPAIR
6-30
6
EC000105
CAUTION:@ Avoid touching the glass part of a
bulb. Keep it free from oil; other-
wise, the transparency of the glass,
life of the bulb, and luminous flux
will be adversely affected. If oil gets
on a bulb, thoroughly clean it with a
cloth moistened with alcohol or lac-
quer thinner. @4. Install the bulb holder cover and
reconnect the headlight connec-
tors. If the headlight beam adjust-
ment is necessary, ask a Yamaha
dealer to make that adjustment.
EAU01823*
Tail/brake light bulb
replacement1. Remove the passenger seat. (See
page 3-14 for seat removal and in-
stallation procedures.)
2. To remove the socket, turn it coun-
terclockwise.
3. To remove the defective bulb, turn
it counterclockwise.
4. Push a new bulb into the socket
and turn it clockwise.
5. Install the socket and turn it clock-
wise.
6. Install the passenger seat.
EAU01095
Turn signal light bulb
replacement1. Remove the screw and the lens.
2. Remove the defective bulb by
pushing it inward and turning it
counterclockwise.
3. Install a new bulb by pushing it in-
ward and turning it clockwise.
4. Install the lens and tighten the
screw.
1. Don’t touch
1. Screw
E_4sv_Periodic.fm Page 30 Tuesday, August 31, 1999 3:45 PM
Page 84 of 103

PERIODIC MAINTENANCE AND MINOR REPAIR
6-36
6
Engine overheating
EW000070
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. Open the radiator cap as follows. Wait until the engine has
cooled. Remove the radiator cap stopper by removing the screw. Place a thick rag like a towel over the radiator cap
and slowly rotate the cap counterclockwise to the detent. This procedure allows any residual pressure to escape.
When the hissing sound has stopped, press down on the cap while turning counterclockwise and remove it. @NOTE:@ If it is difficult to get the recommended coolant, tap water can be temporarily used, provided that it is changed to the recom-
mended coolant as soon as possible. @
Wait until the
engine has cooled.
Check the coolant level in the
reservoir tank and/or radiator.
Level is OK.Level is low, check the
cooling system for leakage.
No
leakage.Leakage.
Ask a Yamaha dealer to inspect
and repair the cooling system.Add coolant. (See NOTE.)
Restart the engine. If the engine overheats again, ask a
Yamaha dealer to inspect and repair the cooling system.
E_4sv_Periodic.fm Page 36 Tuesday, August 31, 1999 3:45 PM