Page 12 of 44
Parts list of ZY125T-3 motorcyclePARTS LIST AND OPERATION
3-1
rearview mirror
storage
compartment
taillight
exhaust piperear wheel
accu-
mulatorfuse
front turn signalfront brake leverfront headlight
front wheeldish brake
handlebar switch
odometerrear brake lever
main switch
rear luggage carrier
rear light/stoplightrear vibration damperair filterkick-startercrankcase filter
front vibration
damper
side-standcenter-standfront stor-
age com-
partment
Page 13 of 44
1 Turn signal indicator light (Green)This indicator light comes on when the
turn signals are being used.2 High beam indicator light (Blue)This indicator light comes on when the
high beam of the headlight is being on.3 Odometer:The meter shows the distance the motor-
cycle ran.4 Fuel gaugeThe fuel gauge indicates the amount of
fuel left in the fuel tank. The needles move
NOTE: Refuel the fuel tank before emptying.
In case that the main switch is "ON",
the needle shows the quantity left;
when the main switch is "OFF", theneedle locates under "E" line.
PARTS LIST AND OPERATION
■ ■■ ■
■Panel
1
from "F" (full) to "E" (empty) as the fuel
level decreases. When the needle
reaches the refuel line (E line), please
refuel as soon as possible.
3-2
23 4
1
Page 15 of 44
left handlebar
switches
3 Horn switch
Press this switch to sound the horn.
2 Start switch
To start the engine, press this switch
while holding the front or rear brake
lever.
■ ■■ ■
■Handlebar switches■ ■■ ■
■Left handlebar switchesWhen the light switch in the right
handlebar is positioned to
High beam lights
Low beam lights
■ ■■ ■
■Right handlebar switches1 Light switch
Headlight off.
Position light, rear light, in-
strument light on.
Position light, headlight, rear
light, instrument light on.
right handlebar switches
2 Turn signal switch
Turn the switch to right (R/ ) means
turn right, and turn it to left (L/ )
means turn left. When you release the
switch, it will move back to center
position. To cancel the signal, just
push the switch inward when it's in
center position.
PARTS LIST AND OPERATION
1 Dimmer switch
3-4
1
2
31
2
Page 23 of 44
PRE-OPERATION CHECKS
1 Pre-operation checks6-1
2 Brake lever free travel6-2
3 Brake fluid6-2
4 Engine oil level6-2
5 Petrol level6-3
6 Throttle grip6-3
7 Tyre6-3
8 Lights and signal light6-3
9 Switches6-3
Page 24 of 44

Before riding the motorcycle, you should check the following items:PRE-OPERATION CHECKS■ ■■ ■
■Pre-operation checksNOTE:
Carry out the pre-operation checks every time you ride the motorcycle. It takes only a little of time to inspect the items
listed above, but the value of consequent safety is much more than the time cost.
If you find any of the items listed above is not qualified or can not run well, clean up hazards before riding. Seek
help from your YAMAHA agency if necessary.
Front brake (disk brake)
(drum brake)
Rear brake
Throttle grip
Engine oil
Tires and tyre casing
The steel wires
Brake lever pivot
Center/side stand shaft
Tightness
Fuel tank
Lights and signal lights
ItemDescription
Action, free gap, brake fluid level and leakage, refuel if necessary
Action, free gap, adjust if necessary
Action, free gap, adjust if necessary
Operation, lubricate and adjust if necessary
Oil level, refuel if necessary
Tyre pressure, wear and deflection
Action, lubricate if necessary
Action, lubricate if necessary
Check the tightness of the bolts and nuts which connect the parts, tighten if necessary
Oil level, refuel if necessary
Action, repair if necessary
WARNING
6-1
Action, lubricate if necessary
Page 26 of 44

■ ■■ ■
■Tyre1.Tyre pressure:
Adjust the tyre pressure to value
specified before riding.
2. Tyre casing
Check the situation of the tyre before
riding. If the tyre casing is over worn,
or there are pins or broken glasses, or
the tyre casing has crackles, ask the
agency to repair it, replace if
necessary.
■ ■■ ■
■Petrol levelMake sure that there is sufficient petrol
in the fuel tank.
WARNING
Do not splash or overfill the gaso-
line to the exhaust pipe when
fueling. There are agents equipped
in the exhaust pipe. The surface
temperature is very high, and it mayburn when the gasoline is spilled.■ ■■ ■
■Throttle gripPlace the throttle grip to check the
operation and free gaps. Make sure
that the grip will return to the original
position by spring force when releasing.
Ask the agency to adjust if necessary.Specified
fuel
CapacityOnly with unleaded petrol (#93 unleaded
fuel recommended)
5.4L totally
front tyre: 175Kpa
rear tyre: 200Kpa
front tyre: 175Kpa
rear tyre: 225Kpa 1 person Tyre pressure
2 persons
NOTE: Check the tyre pressure when the tyreis cooled.
WARNING
Never overload at any time,
otherwise, it may cause hazardbecause of tyre bursting.Check the front headlight, position light,
turn signal, rear light, stoplight, instru-
ment light and all the other indicator
lights, and make sure that they run
well.
■ ■■ ■
■SwitchesCheck the operation of the switches
for front headlight, position light, turn
signal, stoplight, horn and starter, main
switch.■ ■■ ■
■Lights and signal light
PRE-OPERATION CHECKS
6-3
foreign material (pin,gallet)
alligatoring, broke
wear limit indicator
3-5mn
Page 39 of 44
TROUBLE SHOOTING
1 Engine cannot start8-1
2 Shut-down suddenly while running8-1
3 Lights failure8-1
Page 40 of 44

TROUBLE SHOOTING■ ■■ ■
■Engine cannot start1.Whether the main switch locates on
position ON?
2.Is fuel enough? Whether the needle
points within the fuel range (above E
line)?
3.While pressing start switch, do you
hold rear brake lever?
4.While pressing start switch, do you
turn throttle grip? (See references listed
in page 10)
If you have already confirmed the 1-4
procedures, and the motorcycle still
cannot start:
5.Locate the main switch on position
ON, press horn switch, the horn does
not operate means there is possible
fuse failure.
6.If the fuse is good, use kick-starter
to start the engine and seek help from
your agency.
8-1
■ ■■ ■
■Shut-down suddenly while
runningCheck the oil level.
Refuel as soon as possible if the fuel
is not enough.■ ■■ ■
■Lights failureCheck as per following:
1.Whether the main switch locates on
position ON?
2.After starting the engine, check
whether the front headlight and rear
light is on?
3.Can the switches operate well?
4.Press horn switch, does the horn
operate?
The horn operates well means bulb
failure; the horn does not operate
means that there is possible fuse
failure.
The troubles other than listed
above or if you have any
questions, please consult your
agency.