6-38
PERIODIC MAINTENANCE AND MINOR REPAIR
6 Engine overheating
EW000070
w8Do 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.
8After 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
hissing sound has stopped, press down on the cap while turning it counterclockwise, and then remove the
cap.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.
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.
5GJ-9-E1 9/4/01 1:27 PM Page 81
INDEX
F
Front and rear brake levers ................. 6-25
Front and rear brake pads, checking ... 6-26
Front fork, checking ............................. 6-30
Fuel ..................................................... 3-10
Fuel consumption, tips for reducing ...... 5-3
Fuel gauge ............................................ 3-4
Fuel tank cap ......................................... 3-9
Fuses, replacing .................................. 6-34
H
Handlebar switches ............................... 3-6
Dimmer switch .................................... 3-6
Hazard switch ...................................... 3-6
Pass switch ......................................... 3-6
Engine stop switch .............................. 3-7
Horn switch ......................................... 3-7
Light switch ......................................... 3-7
Turn signal switch ............................... 3-7
Headlight bulb, replacing ..................... 6-35
Helmet holder ...................................... 3-13
I
Identification numbers ........................... 9-1
Ignition circuit cut-off system ............... 3-15
Indicator lights ....................................... 3-2
Oil change indicator light .................... 3-2
High beam indicator light .................... 3-3
Turn signal indicator lights .................. 3-3
V-belt replacement indicator light ....... 3-3
K
Key identification number ...................... 9-1
M
Main switch/steering lock ...................... 3-1
Model label ............................................ 9-2
P
Parking .................................................. 5-4
Part locations ......................................... 2-1
Periodic maintenance and lubrication
chart .................................................... 6-3
Pre-operation check list ......................... 4-1
R
Rider backrest, adjusting ..................... 3-12
S
Safe-riding points .................................. 1-2
Seat ..................................................... 3-11
Self-diagnosis device ............................ 3-5
Sidestand ............................................ 3-14
Spark plugs, checking ........................... 6-9
Specifications ........................................ 8-1
Speedometer unit .................................. 3-3
Start switch ............................................ 3-7
Starting the engine ................................ 5-1
Steering, checking ............................... 6-31
Storage .................................................. 7-4
Storage compartments ........................ 3-14
T
Throttle cable free play, adjusting ....... 6-22
Throttle grip and cable, checking and
lubricating ......................................... 6-29
Tires .................................................... 6-23
A
Acceleration and deceleration ............... 5-2
Air filter element, cleaning ................... 6-19
Anti-theft alarm (optional) ...................... 3-6
B
Battery ................................................. 6-32
Brake fluid level, checking ................... 6-27
Brake fluid, changing ........................... 6-28
Brake lever, front ................................... 3-9
Brake lever, rear .................................... 3-9
Brake levers, lubricating ...................... 6-29
Braking .................................................. 5-3
C
Carburetors, adjusting ......................... 6-21
Care ....................................................... 7-1
Centerstand and sidestand, checking
and lubricating .................................. 6-29
Chain drive oil ...................................... 6-15
Clock ..................................................... 3-5
Conversion table ................................... 8-5
Coolant ................................................ 6-17
Coolant temperature gauge ................... 3-4
Cowlings and panels, removing and
installing .............................................. 6-6
E
Engine break-in ..................................... 5-4
Engine idling speed ............................. 6-21
Engine oil and oil filter cartridge .......... 6-12
5GJ-9-E1 9/4/01 1:27 PM Page 98
