Periodic maintenance and adjustment
6-17
6
characteristics of the motorcy-
cle may be different, which
could lead to an accident.
t
Always make sure that the valve
caps are securely installed to
prevent air pressure leakage.
t
Use only the tire valves and
valve cores listed below to
avoid tire deflation during a ride.
After extensive tests, only the tires list-
ed below have been approved for this
model by Yamaha.
WARNING
EWA10601
This motorcycle is fitted with super-
high-speed tires. Note the following
points in order to make the most ef-
ficient use of these tires.
t
Use only the specified replace-
ment tires. Other tires may run
the danger of bursting at super
high speeds.
t
Brand-new tires can have a rel-
atively poor grip on certain road
surfaces until they have been
“broken in”. Therefore, it is ad-
visable before doing any high-
speed riding to ride conserva-
tively for approximately 100 km
(60 mi) after installing a new tire.
t
The tires must be warmed up
before a high-speed run.
t
Always adjust the tire air pres-
sure according to the operating
conditions.
EAU21963
Cast wheels
To maximize the performance, durabil-
ity, and safe operation of your vehicle,
note the following points regarding the
specified wheels.
t
The wheel rims should be
checked for cracks, bends, warp-
age or other damage before each
ride. If any damage is found, have
a Yamaha dealer replace the
wheel. Do not attempt even the
smallest repair to the wheel. A de-
formed or cracked wheel must be
replaced.
t
The wheel should be balanced
whenever either the tire or wheel
has been changed or replaced. An
unbalanced wheel can result in
poor performance, adverse han-
dling characteristics, and a short-
ened tire life.
Front tire:
Size:
120/70 ZR 17M/C(58W)
Manufacturer/model:
MICHELIN/PILOT ROAD 4
BRIDGESTONE/BT023F F
Rear tire:
Size:
180/55 ZR 17M/C(73W)
Manufacturer/model:
MICHELIN/PILOT ROAD 4
BRIDGESTONE/BT023R M
FRONT and REAR:
Tire air valve:
TR412
Valve core:
#9100 (original)
Summary of Contents for MTN690-U 2019
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