Page 65 of 114

PERIODIC MAINTENANCE AND MINOR REPAIR
6-16
6 15. Install the coolant reservoir by in-
stalling the bolts.
16. Pour the specified amount of rec-
ommended coolant into the radia-
tor and reservoir.
ECA00041
CAUTION:_ Hard water or salt water is harmful
to the engine. You may use soft wa-
ter if you can’t get distilled water. _17. Install the radiator cap and the
coolant reservoir cap, start the en-
gine, let it idle for several minutes,
and then turn it off.
18. Remove the radiator cap to check
the coolant level in the radiator. If
necessary, add sufficient coolant
until it reaches the top of the radia-
tor, and then install the radiator
cap.
19. Check the coolant level in the res-
ervoir. If necessary, remove the
coolant reservoir cap, add coolant
to the maximum level mark, and
then install the cap.
20. Start the engine, and then check
the vehicle for coolant leakage. If
coolant is leaking, have a Yamaha
dealer check the cooling system.
21. Install the right air intake duct, and
then tighten the clamp screws.22. Place the fuel tank in the original
position, and then install the bolts.
23. Install the cowlings.
24. Install the seat. Tightening torques:
Water pump drain bolt:
10 Nm (1.0 m·kgf)
Cylinder drain bolt:
7.0 Nm (0.7 m·kgf)
Antifreeze/water mixture ratio:
1:1
Recommended anti-freeze:
High-quality ethylene glycol
antifreeze containing corrosion
inhibitors for aluminum engines
Coolant quantity:
Total amount:
1.95 L
Coolant reservoir capacity:
0.55 L
U4TVE6.book Page 16 Saturday, August 4, 2001 12:14 PM
Page 94 of 114

PERIODIC MAINTENANCE AND MINOR REPAIR
6-45
6Engine 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. Be sure to wait until the engine has cooled.
After removing the radiator cap retaining bolt, place a thick rag, like a towel, over the radiator cap, and then
slowly rotate the cap counterclockwise to the detent to allow any residual pressure to escape. When the hiss-
ing sound has stopped, press down on the cap while turning it counterclockwise, and then remove the cap.
_NOTE:_ If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended 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 checkand 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.
U4TVE6.book Page 45 Saturday, August 4, 2001 12:14 PM
Page 110 of 114

INDEXAAir filter element, cleaning ...................... 6-17
Air intake duct ........................................ 6-19
Air vent hose, checking .......................... 6-18
Anti-theft alarm ........................................3-5BBattery ................................................... 6-35
Brake and clutch levers, checking and
lubricating ............................................ 6-32
Brake and shift pedals, checking and
lubricating ............................................ 6-31
Brake fluid, changing ............................. 6-28
Brake fluid level, checking...................... 6-27
Brake lever...............................................3-7
Brake light switch (rear), adjusting ......... 6-26
Brake pads, checking............................. 6-27
Brake pedal..............................................3-8
Brake pedal position, adjusting .............. 6-25CCables, checking and lubricating............ 6-31
Carburetors, adjusting............................ 6-19
Care.........................................................7-1
Clutch lever ..............................................3-7
Clutch lever free play, adjusting ............. 6-25
Conversion table ......................................8-5
Coolant .................................................. 6-13
Changing .......................................... 6-14
Checking .......................................... 6-13
Coolant temperature gauge .....................3-5
Cowlings, removing and installing ............6-5
DDimmer switch ......................................... 3-5
Drive chain, lubricating .......................... 6-30
Drive chain slack ................................... 6-29
Adjusting .......................................... 6-29
Checking .......................................... 6-29EEngine break-in ....................................... 5-5
Engine oil and oil filter cartridge ............. 6-10
Engine stop switch................................... 3-6FFront and rear suspension settings ........ 3-17
Front fork, adjusting ............................... 3-13
Front fork, checking ............................... 6-33
Fuel ......................................................... 3-9
Fuel consumption, tips for reducing ......... 5-4
Fuel level warning light ............................ 3-3
Fuel tank breather hose
(Germany only) ................................... 3-10
Fuel tank cap ........................................... 3-8
Fuses, replacing .................................... 6-36HHandlebar switches ................................. 3-5
Headlight bulb, replacing ....................... 6-37
Helmet holder ........................................ 3-12
High beam indicator light ......................... 3-3
Horn switch ............................................. 3-6
IIdentification numbers ..............................9-1
Idling speed, adjusting ...........................6-19
Ignition circuit cut-off system ..................3-19
Indicator and warning lights......................3-2KKey identification number .........................9-1LLight switch ..............................................3-6
Luggage strap holders ...........................3-18MMain switch/steering lock .........................3-1
Model label ..............................................9-2NNeutral indicator light ...............................3-2OOil level warning light ...............................3-2PParking.....................................................5-6
Part locations ...........................................2-1
Pass switch ..............................................3-5
Periodic maintenance and lubrication
chart ......................................................6-2
Pre-operation check list ............................4-1SSafety information ....................................1-1
Seat .......................................................3-11
Self-diagnosis device ...............................3-4
U4TVE6.book Page 1 Saturday, August 4, 2001 12:14 PM