Operation an
d
important ri
d
in
g
points
6-1
6
EAU15952
Read the Owner’s Manual carefully to
become familiar with all controls. If
there is a control or function you do not
understand, ask your Yamaha dealer.
WARNING
EWA10272
Failure to familiarize yourself with
the controls can lea
d
to loss of con-
trol, which coul
d
cause an acci
d
ent
or injury.
EAU41506
En
g
ine
b
reak-in
WARNING
EWA10322
Failure to properly maintain the vehi-
cle or performin
g
maintenance ac-
tivities incorrectly may increase
your risk of injury or
d
eath
d
urin
g
service or while usin
g
the vehicle. If
you are not familiar with vehicle ser-
vice, have a Yamaha
d
ealer perform
service.
TIP
Before starting the engine for the first
time, the air filter must be lubricated.
(See page 7-10.)
En
g
ine
b
reak-in proce
d
ure
1. Fill the fuel tank with a break-in oil-
fuel mixture as follows.
2. Start and warm up the engine.
Check the operation of the con-
trols and the engine stop switch.
(See page 4-1.)
3. Operate the motorcycle in the low-
er gears at moderate throttle
openings for 5 to 8 minutes. Stop
the engine and check the spark
plug condition (see page 7-6); it
will show a rich condition during
break-in.
4. Allow the engine to cool. Restart
the engine and operate the motor-
cycle as in the step above for 5 mi-
nutes. Then, very briefly shift to
Recommen
d
e
d
2-stroke en
g
ine oil:
YAMALUBE 2R
Mixin
g
ratio (
g
asoline to oil):
15:1
UBR814E0.book Page 1 Monday, March 7, 2022 11:16 AM
