Yamaha DT125R Owner's Manual page 90

Carburetor
Manufacturer
Model × quantity
Spark plug
Manufacturer/model
Spark plug gap
Clutch type
Transmission
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Number of drive chain
sprocket teeth (rear/front)
Transmission type
Operation
Gear ratio 1st
2nd
3rd
4th
5th
6th
MIKUNI
TM28SS × 1
NGK / BR9ES
NGK / BR8ES (CH, A only)
0.7–0.8 mm
Wet, multiple-disc
Helical gear
71/22 (3.227)
Chain drive
3.563
57/16
Constant mesh 6-speed
Left foot operation
2.833
1.875
1.412
1.143
0.957
0.818
Chassis
Frame type
Caster angle
Trail
Tire
Front
Type
Size
Manufacturer/
model
Rear
Type
Size
Manufacturer/
model
Maximum load*
Air pressure (cold tire)
up to 90 kg load*
Front
Rear
8-2
SPECIFICATIONS
Semi double cradle
27°30'
113 mm
With tube
2.75-21 45P
BRIDGESTONE / TW25
With tube
4.10-18 59P
BRIDGESTONE / TW44
180 kg
178 kg (CH, A only)
125 kPa (1.25 kgf/cm 2 , 1.25 bar)
150 kPa (1.50 kgf/cm 2 , 1.50 bar)
8