2006 YAMAHA CYGNUS 125 oil

MOTORCYCLE INFORMATIONS■ ■■ ■
■Engine running-inThe distance between 0 and 1,000 km
is most important to your engine.
Keeping this fact in mind, please read
the following material carefully and
carry out as per instructions.
Since the engine is brand new, vari-
ous parts of the engine will wear and
polish themselves to the proper oper-
ating clearances. At the same time,
overloading the throttle or any other
conditions that might result in engine
overheating must be avoided in 0 -
1,000 km.
1. 0 - 150 km
Avoid prolonged operation above 1/3
throttle. After operating for an hour,
stop the engine and let it cool for five
to ten minutes. Vary the engine speed
from time to time and do no operatethe engine at full throttle.
2. 150 - 500 km
Avoid prolonged operation above 1/2
throttle.
3. 500 - 1,000 km
Avoid prolonged operation above 3/4
throttle.
CAUTION:

After 500 km of operation, replace
the engine oil and gear oil, and clean
the oil filter (bottom part). Replacethe engine oil every 1,500 km.
4. 1,000 km and beyond
Avoid prolonged full-throttle operation.
Vary the engine speed from time to
time.
2-2

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

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

WARNING

If the brake lever fails, do not ride
the motorcycle before
troubleshooting, and ask your
YAHAMA agency to repair the brake.
Soft brake means troubles in thebrake system.front brake lever
Hold the brake lever for a few minutes
to check leakage in the brake pipe joint
or main cylinder. If leakages detected,
ask your agency to repair it
immediately. The leakage of brake
fluid means troubles in brake system.■ ■■ ■
■Engine oil level1.Uphold the motorcycle by center-stand.■ ■■ ■
■Brake fluid (disk brake)If the oil level is below the LOWER
signal, take your motorcycle to the
agency for refueling.
■ ■■ ■
■Brake lever free travel
rear brake lever
drum brake disk brake
drum brake
PRE-OPERATION CHECKS
Rear brake
Front disk brake(idle motion)
Travel
10-20mm
Front drum brake
10-20mm
10-20mm
NOTE: When checking the engine oil level,
the motorcycle must be upright. Even
a small incline will cause fault result
of inspection.
This inspection should be took when
you buying the vehicle or every1,000 km mileage.
2.Start the engine and warm the ve-
hicle for a few minutes, then shut off
the engine.
3.Wait a few minutes, so that the en-
gine oil flows back, take the oil dip rod
out of the crankcase, clean the rod,
put it back to the dipstick hole (do not
turn around), take it out again to check
the oil level.Oil replaced periodically
Oil replaced periodically(including the oil needed for
replacing filter element)Special engine oil used
for four-stroke motor-
cycle
YAHAMA Four-stroke
YAMALUBE engine oil,
SAE 20W-40 combustion
engine oil (API) , Spec. SF1.0L
1.2L
1.upper limit 2.lower limit
6-2
front (right)
rear (left)
1
2

MAINTENANCE
1 Periodical maintenance7-1
2 Tool kits7-3
3 Replace engine oil7-3
4 Gear oil7-5
5 Air filter7-5
6 Crankcase filter7-6
7 Adjust mixing ratio7-6
8 Adjust idle speed7-7

Periodical maintenance/lubrication table
MAINTENANCE


Periodical maintenanceSee detailed description and time requirement for the general periodical maintenance of motorcycle and exhaust gas
control system in the "Consumer Manual".
The information supplied in this chapter is some kind of easy maintenance which can be finished by consumer him/
herself. If you are not familiar with the repair and maintenance procedure, ask the agency to finish it.
Items
Air drain*
Ignition plugCheck the clearance, adjust if necessary.
1,500km or 2 months
DescriptionRunning-in
500km
Check the working condition, clean or replace if necessary.
Air filterClean every 1,000km, replace if necessary.
Carburetor*Check idle speed/start operation, adjust if necessary.
Check the fuel tube (or vacuum tube) for crackles or damages, replace if necessary.
Fuel line*
Engine oil
Replace (warming engine before exhausting)
Engine oil filter*
Crankcase filter*
Clean every 1,000km, replace if necessary. Clean, replace if necessary.
Gear oil*Check leakage, replace every 3,000km.Front brake*(dish brake)
Check action/brake fluid leakage, see "Note". Replace if necessary.
Front brake(drum brake)
Check action, replace if necessary.
1,500km or 2 months
At the firstEvery
Check action, replace if necessary.
Lubricate a little. **
Check wearing and damage. Repair if necessary.
Check the fastening/damages of the bearing assembly, replace when there are damages.
Rear brake
Wheel
Wheel bearing* Front shaft
7-1

*: Recommended to be finished by a YAMAHA specified maintenance station.
**: Use lithium grease.
Replace brake fluid:
1.Replace brake fluid when disassembling the main cylinder or cartridge style cylinder. Check the liquid level
in normal condition, re-fuel if necessary.
2.It's recommended that you should replace the oil seals in the main cylinder and cartridge style cylinder
every 2 years.
3.It's recommended to change brake tube every 4 years, or replace it when found crackles.Steering bearing*
Front fork*Rear shock absorber *V belt
Check the fastening degree of bearing assembly, modify and re-lubricate if necessary.**Check action/leakage, repair if necessary.
Check action/leakage, repair if necessary.
Check the wear and damages, replace if necessary.Check the accessories and fasteners in the chassis. Modify if necessary. Accessory/Fastener*
Center/side stand* Check action, repair if necessary.
Items
1,500km or 2 months
DescriptionRunning-in
500km
1,500km or 2 months
At the firstEvery
MAINTENANCECAUTION:
7-2

■ ■■ ■
■Tool kitsService information included in this
manual and the tool kits provided will
help you perform the maintenance and
minor repairs. However, additional
tools such as a torque wrench to fas-
ten the nuts or screws may be neces-
sary for correctly performing certain
maintenance work.
WARNING

Modification without approval of
our company may affect the func-
tion of the motorcycle, and renderhazards.
MAINTENANCE
1.fuel drain plug 2.spring
3.filter screen 4.O-ringCAUTION:

When removing the drain plug, the
spring, the filter screen and O-ring
will fall out, do not lose any of thecomponents.
■ ■■ ■
■Replace engine oil1.Start the engine and warm the
vehicle for a few minutes, then shut
off the engine.
2.Place an oil pan under the engine
to collect the engine oil used.
3.Remove the drain bolt.
7-3
1. tool kits
12
4
1 3