ECO mode YAMAHA YBR125 2004 Owners Manual
Page 14 of 83
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 A digits and serial
number is indicated by 12th to 17th digits B. Record these
numbers for reference in case of ordering parts from a
Yamaha dealer.
MACHINE IDENTIFICATION
AB
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 A digits and serial
number is indicated by 12th to 17th digits B. Record these
numbers for reference in case of ordering parts from a
Yamaha dealer.
MACHINE IDENTIFICATION
AB
Page 80 of 83
8-3
MODEL YBR 125K
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 26∫ 20î
Trail 103 mm ( 4,0 in)
Tire:
Type With tube
Size:
Front 2.75-18 42P MT39
Rear 90/90-18 57P MT15
8-3
MODEL YBR 125K
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 26∫ 20î
Trail 103 mm ( 4,0 in)
Tire:
Type With tube
Size:
Front 2.75-18 42P MT39
Rear 90/90-18 57P MT15