2003 YAMAHA YBR125 tire pressure

PRE-OPERATION CHECKS
Before using this motorcycle, check the following points:
ITEM ROUTINE
PAGE
Front brake
Check operation, condition and free play.
Adjust if necessary
Clutch
Throttle grip / cableCheck for smooth operation.
Lubricate / Adjust if necessary
Check oil level / add oil as necessary
Engine oil
Drive chainCheck chain slack and condition. Lubricate if necessary
Adjust if necessary.
Air filter
Control and meter cableCheck tire pressure, wear, damage and spoke tightness
Check for smooth operation.
Lubricate if necessary4-3 ~ 4-4
6-16 ~ 6-20
4-8 , 6-14 , 6-24
4-4 , 6-6 , 6-9
6-21 ~ 6-23
6-10 ~ 6-11
4-5 ~ 4-8 , 6-26
6-23 Check operation, condition and free play.
Adjust if necessary
Wheels / Tires
Clean and oil it frequently.4-8 , 6-20 Rear brakeCheck operation, free play, fluid level and fluid leakage.
Top-up with DOT #4 (or DOT #3) brake fluid if necessary.

PRE-OPERATION CHECKS
Before using this motorcycle, check the following points:
ITEM ROUTINE
PAGE
Front brake
Check operation, condition and free play.
Adjust if necessary
Clutch
Throttle grip / cableCheck for smooth operation.
Lubricate / Adjust if necessary
Check oil level / add oil as necessary
Engine oil
Drive chainCheck chain slack and condition. Lubricate if necessary
Adjust if necessary.
Air filter
Control and meter cableCheck tire pressure, wear, damage and spoke tightness
Check for smooth operation.
Lubricate if necessary4-3 ~ 4-4
6-16 ~ 6-20
4-8 , 6-14 , 6-24
4-4 , 6-6 , 6-9
6-21 ~ 6-23
6-10 ~ 6-11
4-5 ~ 4-8 , 6-26
6-23 Check operation, condition and free play.
Adjust if necessary
Wheels / Tires
Clean and oil it frequently.4-8 , 6-20 Rear brakeCheck operation, free play, fluid level and fluid leakage.
Top-up with DOT #4 (or DOT #3) brake fluid if necessary.


4-5
Tires
To ensure maximum performance, long service, and safe
operation, note the following:
1. Tire air pressure
Always check and adjust the tire pressure before
operating the machine.
Tire inflation pressure should be checked and adjusted
when the temperature of the tire equals the ambient air
temperature.
Tire inflation pressure must be adjusted according to
total weight of cargo, rider, passenger and accessories
(fairing, saddlebags, etc. if approved for this model),
and vehicle speed.
WARNING:
Basic weight:
With oil and without fuel
Maximum load*:
Cold tire pressure:
up to 90 Kg (198 lb)
load*: 90 Kg (198 lb) ~
maximum load*: 119 Kg ( 262 lb)
160 Kg ( 353 lb)
Front Rear
* Load is the total weght of cargo, rider, passenger and accessories.
1.75 kg/cm2
25 PSI / 175 kpa 2.0 kg/cm
2
28 PSI / 200Kpa
1.75 kg/cm2
25 PSI / 175 Kpa 2.25 kg/cm
2
32 PSI / 225 Kpa
4-5
Tires
To ensure maximum performance, long service, and safe
operation, note the following:
1. Tire air pressure
Always check and adjust the tire pressure before
operating the machine.
Tire inflation pressure should be checked and adjusted
when the temperature of the tire equals the ambient air
temperature.
Tire inflation pressure must be adjusted according to
total weight of cargo, rider, passenger and accessories
(fairing, saddlebags, etc. if approved for this model),
and vehicle speed.
WARNING:
Basic weight:
With oil and without fuel
Maximum load*:
Cold tire pressure:
up to 90 Kg (198 lb)
load*: 90 Kg (198 lb) ~
maximum load*: 119 Kg ( 262 lb)
160 Kg ( 353 lb)
Front Rear
* Load is the total weght of cargo, rider, passenger and accessories.
1.75 kg/cm2
25 PSI / 175 kpa 2.0 kg/cm
2
28 PSI / 200Kpa
1.75 kg/cm2
25 PSI / 175 Kpa 2.25 kg/cm
2
32 PSI / 225 Kpa

4-6
Proper loading of your motorcycle is important for the
handling, braking, and other performance and safety
characteristics of your motorcyle. Do not carry loosely
packed items that can shift. Securely pack your
heaviest items close to the center of the motorcycle,
and distribute the weight evenly from side to side.
Properly adjust the suspension for your load, and
check the condition and pressure of your tires. NEVER
OVERLOAD YOUR MOTORCYCLE. Make sure the total
weight of the cargo, rider, passenger, and accessories
(fairing, saddlebags, etc. if approved for this model)
does not exceed the maximum load of the motorcycle.
Operation of an overloaded motorcycle could cause
tire damage, an accident, or even injury.
2. Tire inspection
Always check the tires before operating the motorcycle.
If a tire tread shows crosswise lines (minimum tread
depth), if the tire has a nail or glass fragments in it, or
if the side wall is cracked, contact a Yamaha dealer or
other qualified mechanic and have the tire replaced.
1. Tread depth 2. Side wall 3. wear indicator
WARNING:
4-6
Proper loading of your motorcycle is important for the
handling, braking, and other performance and safety
characteristics of your motorcyle. Do not carry loosely
packed items that can shift. Securely pack your
heaviest items close to the center of the motorcycle,
and distribute the weight evenly from side to side.
Properly adjust the suspension for your load, and
check the condition and pressure of your tires. NEVER
OVERLOAD YOUR MOTORCYCLE. Make sure the total
weight of the cargo, rider, passenger, and accessories
(fairing, saddlebags, etc. if approved for this model)
does not exceed the maximum load of the motorcycle.
Operation of an overloaded motorcycle could cause
tire damage, an accident, or even injury.
2. Tire inspection
Always check the tires before operating the motorcycle.
If a tire tread shows crosswise lines (minimum tread
depth), if the tire has a nail or glass fragments in it, or
if the side wall is cracked, contact a Yamaha dealer or
other qualified mechanic and have the tire replaced.
1. Tread depth 2. Side wall 3. wear indicator
WARNING:

6-3
PERIODIC MAINTENANCE / LUBRICATION
Wheel bearings* Battery*
Check looseness and damage.
Check electrolyte level, routing breather pipe.
ITEM
How it sounds
/ Adjust if necessary.
REMARKS 1,000KM
Fuel line
Air filter
Carburetor* Valves*
Muffler
Brakes* Engine oil
Steering bearings* Rear arm pivot* Check fuel hose, for cracks or damage.
Clean or replace if necessary.
Adjust
Check damage, Retighten.
Check operation, adjust.
Grease the brake cam. Replace / Check level
Check loosenes.
Repack every 12,000 km or 12 month.** Check rear arm assembly for looseness.
Moderately repack.***
EVERY
3,000KM
OR ERERY
6 MONTHS
Wheels* and tires Check tire pressure, runout and spoke tightness.
Spark plug Check condition and clean if necessary.
Replace if necessary every 12,000 Km.
3,000KM
6-3
PERIODIC MAINTENANCE / LUBRICATION
Wheel bearings* Battery*
Check looseness and damage.
Check electrolyte level, routing breather pipe.
ITEM
How it sounds
/ Adjust if necessary.
REMARKS 1,000KM
Fuel line
Air filter
Carburetor* Valves*
Muffler
Brakes* Engine oil
Steering bearings* Rear arm pivot* Check fuel hose, for cracks or damage.
Clean or replace if necessary.
Adjust
Check damage, Retighten.
Check operation, adjust.
Grease the brake cam. Replace / Check level
Check loosenes.
Repack every 12,000 km or 12 month.** Check rear arm assembly for looseness.
Moderately repack.***
EVERY
3,000KM
OR ERERY
6 MONTHS
Wheels* and tires Check tire pressure, runout and spoke tightness.
Spark plug Check condition and clean if necessary.
Replace if necessary every 12,000 Km.
3,000KM