2007 YAMAHA YBR125 air condition

CAUTION :
Front fork inspectionSecurely support the Motorcycle
so there is no danger of it falling
over.
1. Visual check
Check for scratches or damage
on the inner tube and traces of oil
leakage from the front fork.2. Operation check
Place the Motorcycle on a level
place.
a. Hold the Motorcycle in an
upright position and apply the
front brake.
b. Push down hard on the
handlebars several times and
check if the fork rebounds
smoothly.
If any damage or unsmooth
movement is found with the front
fork, consult a YAMAHA dealer.
Steering inspectionPeriodically inspect the condition of
the steering. Worn out or loose
steering bearings may be danger-
ous. Place a stand under the engine
to raise the front wheel off the
ground. Hold the lower end of the
front forks and try to move them
forward and backward. If any free
play can be felt, ask a YAMAHA
dealer to inspect and adjust the
steering. Inspection is easier if the
front wheel is removed.
PERIODIC MAINTENANCE AND MINOR REPAIR
6-23
WARNING

1. DO’S ()

1Always use genuine ‘spare parts’ purchased from YAMAHA Authorised Dealers.

2Always use only genuine oils
• 4T - 20W/40 SG grade - YAMALUBE 4T

3 Always keep your engine well turned. Save environment and also improve Fuel Efficiency

4 • ALWAYS GET YOUR MOTORCYCLE REPAIRED AND MAINTAINED ONLY AT YAMAHA AUTHORISED
DEALER.
• YAMAHA serves you through a wide network of Authorised Dealers.

5.Check the Following at every scheduled service:-
a) Spark Plug : Check/Reset Gap/Replace as per the recommendations
in this Owner’s Manual (page no 6-7)
b) Carburetor :Cleaning/Adjustment Every 4500 kmsc) Air Filter : Clean every 2000 kms as per the environment conditions.
d) Piston/Rings/Cylinder : Check / Clean / Replace if necessary
e) Exhaust System : Check / Replace if necessary
f) Valve Timing : Check / Adjust every 4500 kms
g) Compression pressure :Check / Diagnose.
6 Always drive with Starter Lever in OFF position.
7 Use Starter Lever for minimum possible period (1 to 2 minutes) only to start and warm up Engine
(may be required only in winter)
DO’S AND DON’TS FOR THE MOTORCYCLE
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3. LIST OF COMPONENTS IMPACTING “EMISSION” 2. PROCEDURE FOR MEASUREMENT OF “CO” EMISSION LEVEL
2.1IMPORTANT : “CO” Measurement Equipment must be duty calibrated.
2.2 Check for “NO LEAKAGE” from Exhaust System.
2.3 Starter Lever should be in OFF position.
2.4 All Electricals should be in OFF position.
2.5 Set the Idle speed of the Engine in warmed up condition of Motorcycle as specified.
2.6 Insert the Sampling probe of the Exhaust Gas Analyser inside the Exhaust Muffler of the
Motorcycle.
2.7 • If the reading is within specified limits then it is acceptable.
• If the reading exceeds the norm of 3.5% (by volume) have it adjusted by YMI Authorised
Dealer.‘CO’ EMISSION LEVEL MEASUREMENT
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MODELIDLE R.P.M.
1300 - 1500 RPM
LIBERO
a. Air Filter
b. Carburetor
c . Cylinder
d. Piston Ring & Piston
e. Cylinder Headf. Rocker Arm
g. Valves
h. Cam Shaft
i. Valve Seals
j. Timing Chaink. Air Intake System
l. Ignition Coil, CDI, Magneto
m. Spark Plug
n. Exhaust System
- AIS, - CAT CON
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