Spec Sheet
The information below is specific to the Yamaha - YZ 125 S 04, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.
Back.Yamaha - YZ 125 S 04
Bike Info
CC:
125
Brakes
Front:
Disc
Rear:
Disc
Brake fluid:
DOT 4
Front Disc Size:
250 mm
Rear Disc Size:
245 mm
Dimensions
Dry Weight:
87 kg
Ground Clearance:
398 mm
Height:
1311 mm
Length:
2130 mm
Seat Height:
992 mm
Wheelbase:
1438 mm
Width:
827 mm
Electrics
Spark Plugs (Iridium):
NGK BR8EIX
Engine
Type:
Liquid Cooled 2 Stroke Straight Single
Air Filtration:
Foam element
Bore x Stroke:
54 x 54.5 mm
Compression Ratio:
8.7:1
Displacement:
124 cc
Lubrication System:
Petrol/two stroke oil mix
Starting:
Kickstart
Transmission
Chain Number of Links:
112
Clutch Type:
Wet multi plate
Final Drive:
Chain
Sprocket front:
12
Sprocket rear:
50
Misc.
Colour Options:
Blue
Motorcycle Style:
Motocross
Suspension
Front:
Telescopic fork, 300 mm travel
Rear:
Swinging arm (monocross) 315mm travel
Tyres
Front:
80/100-21 Tubed
Rear:
100/90-19 Tubed
Add information to the model
All information presented on the website is given to the best of our knowledge at the given time. All information is intended to only as a guide. A major Japanese manufacturer's quote:
We reserve the right to vary our specification with or without notice, and as such time and in such manner as we think fit.