Periodic maintenance and adjustment
7-40
7
EAU86420
Engine overheating
WARNING
EWAT1041
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.
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.TIPIf coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended cool-
ant 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 TIP.)
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.
UB3LE1E0.book Page 40 Tuesday, August 10, 2021 2:28 PM
Index
11-2
11
Steering, checking ................................ 7-32
Stop/Run/Start switch ............................ 4-4
Storage ................................................... 8-4
Supporting the motorcycle ................... 7-37
Swingarm pivots, lubricating ................ 7-31TThrottle grip, checking and lubricating........................................... 7-29
Tires ...................................................... 7-19
Titanium muffler, cleaning ...................... 8-3
Tool kit .................................................... 7-2
Troubleshooting.................................... 7-37
Troubleshooting chart .......................... 7-39
Turn signal indicator lights ..................... 4-6
Turn signal switch................................... 4-4VValve clearance .................................... 7-18
Vehicle identification number ............... 10-1
Vehicle lights ........................................ 7-36WWheel bearings, checking .................... 7-32
Wheels .................................................. 7-21YYamalube.............................................. 7-16
YRC functions visual guide .................... 3-6
YRC settings......................................... 4-16
YRC (Yamaha Ride Control) ................... 3-1
UB3LE1E0.book Page 2 Tuesday, August 10, 2021 2:28 PM
