Spec Sheet
The information below is specific to the Yamaha - 125 RS 125 DX, 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 - RS 125 DX 76
Bike Info
CC:
125
Service
2 Stroke Tank - Litres:
1.5
Coolant:
Air
Engine Oil Classification API:
10w30
Engine Oil Grade SAE:
SAE30 2 Stroke oil
Engine Oil quantity (litres):
585
Float Height:
21 +- 1
Front Fork Oil cc (left leg):
150
Front Fork Oil cc (right leg):
150
Gearbox Oil grade:
10W30
Gearbox Oil Litres:
750cc
Idle Speed (rpm):
1200 +- 50
Oil Filter Part Number:
N/A
Points Gap mm:
0.3-0.4
Spark Plugs Gap (mm):
0.5-0.6
Transmission oil:
10w30
Transmission oil quantity:
585ml
Tyre Pressure Back Bar / psi:
2.0 - 28
Tyre Pressure Front Bar / psi:
1.5 - 21
Brakes
Front:
Disc
Rear:
Drum
Dimensions
Dry Weight:
94 kg
Fuel Capacity:
11 lt
Ground Clearance:
160mm
Height:
1060mm
Length:
1945mm
Reserve Fuel Capacity:
1.2 lt
Seat Height:
775mm
Width:
bars 765
Electrics
Voltage:
6v
Battery:
6N-4-2A2
Bulb-Headlight:
25/35 W Stanley
Charging System:
Hitachi/Furukawa
Ignition:
Points magneto later CDI/
Ignition Timing:
1.8mm BTDC
Main Fuse:
10A
Spark Plugs:
Hitachi(original)/ND/NGK B8HS
Engine
Type:
Air Cooled 2 Stroke Reed Valve Straight Single
Air Filtration:
Foam
Bore x Stroke:
56 x 50 mm
Carburation:
Mikuni VM24 SH
Carburation Idle Jet:
30
Carburation Main Jet:
125
Compression Ratio:
7.0:1
Displacement:
123 cc
Firing Order:
1!
Lubrication System:
AutoMix
Pilot Screw Setting:
1.75 turns out
Red line RPM:
10.500
Starting:
Kickstart
Transmission
Chain Number of Links:
110
Clutch Type:
Wet Multiplate 4 Friction 5 Plain 5 Springs
Final Drive:
Chain
Gearchange Pattern:
1 down 4 up
Gear Ratio 1st:
2.833
Gear Ratio 2nd:
1.813
Gear Ratio 3rd:
1.250
Gear Ratio 4th:
1.091
Gear Ratio 5th:
0.957
Primary Drive:
Gear
Sprocket front:
15-16
Sprocket rear:
36
Transmission:
5 Speed
Misc.
Motorcycle Style:
ROADSTER
Place of Manufacture:
Iwata - Shizuoka
Power
Max Power Output:
12-14 HP
Top Speed:
75 mph
Suspension
Front:
telescopic
Tyres
Front:
275-18 Tubed
Rear:
300-18 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.