2
2-1 Vehicle identification number
The vehicle identification number is stamped into the
steering head pipe.Record this number in the space
provided.
1. Frame number 2. Production year
Engine serial number
The engine serial number is stamped on right-hand engine
crankcase.
1. Engine serial number
NOTE:
Model code is indicated by 4th to 8th digits and serial
number is indicated by 12th to 17th digits . Record these
numbers for reference in case of ordering parts from a
Yamaha dealer.
MACHINE IDENTIFICATION
2
2-1 Vehicle identification number
The vehicle identification number is stamped into the
steering head pipe.Record this number in the space
provided.
1. Frame number 2. Production year
Engine serial number
The engine serial number is stamped on right-hand engine
crankcase.
1. Engine serial number
NOTE:
Model code is indicated by 4th to 8th digits and serial
number is indicated by 12th to 17th digits . Record these
numbers for reference in case of ordering parts from a
Yamaha dealer.
MACHINE IDENTIFICATION
4-7 After extensive tests, the tires listed below have been
approved by Yanaha for this model. The front and rear
tires should always be by the same manufacturer and
of the same design. No guarantee concerning handling
characteristics can be given if a tire combination other
than one approved by Yamaha is used on this
motorcycle.
Front
Rear
Size Manufacturer
Type
Minimum tire tread depth
(from and rear)0,8 mm (0.0315 in) 2.75-18 PIRELLI
42P MT 39
90/90-18 PIRELLI
57P MT 15
1. It is dangerous to ride with a worn-out tire. When
the tire tread begin to show signs of wear, replace
the tire immediately. Brakes, tires and related wheel
parts should be left to a Yamaha dealer.
2. Patching a punctured tube is not recommended. If
it is absolutely necessary to do so, use great care
and replace the tube as soon as possible with a
good quality replacement.
WARNING:WARNING:
4-7 After extensive tests, the tires listed below have been
approved by Yanaha for this model. The front and rear
tires should always be by the same manufacturer and
of the same design. No guarantee concerning handling
characteristics can be given if a tire combination other
than one approved by Yamaha is used on this
motorcycle.
Front
Rear
Size Manufacturer
Type
Minimum tire tread depth
(from and rear)0,8 mm (0.0315 in) 2.75-18 PIRELLI
42P MT 39
90/90-18 PIRELLI
57P MT 15
1. It is dangerous to ride with a worn-out tire. When
the tire tread begin to show signs of wear, replace
the tire immediately. Brakes, tires and related wheel
parts should be left to a Yamaha dealer.
2. Patching a punctured tube is not recommended. If
it is absolutely necessary to do so, use great care
and replace the tube as soon as possible with a
good quality replacement.
WARNING:WARNING:
8-3
MODEL YBR 125ED
Transmission: Primary reduction system Spur gear
Primary reduction rate 68 / 20
Secondary reduction system Chain drive
Secondary reduction rate 45 / 14
Transmission type Constant mesh 5-speed
Operation Left foot operation
Gear ratio 1st 37 / 14 2nd 32 / 18
3rd 25 / 19
4th 23 / 22
5th 21 / 24
Chassis: Frame type Diamond
Caster angle 26º 20”
Trail 103 mm ( 4,0 in)
Tire: Type With tube
Size: Front 2.75-18 42P MT 39
Rear 90/90-18 57P MT 15
8-3
MODEL YBR 125ED
Transmission: Primary reduction system Spur gear
Primary reduction rate 68 / 20
Secondary reduction system Chain drive
Secondary reduction rate 45 / 14
Transmission type Constant mesh 5-speed
Operation Left foot operation
Gear ratio 1st 37 / 14 2nd 32 / 18
3rd 25 / 19
4th 23 / 22
5th 21 / 24
Chassis: Frame type Diamond
Caster angle 26º 20”
Trail 103 mm ( 4,0 in)
Tire: Type With tube
Size: Front 2.75-18 42P MT 39
Rear 90/90-18 57P MT 15
