Spec Sheet
The information below is specific to the Yamaha - SR 125 (3MW2 Type) 89, 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.Bike Info
CC:
125
Service
Engine Oil Classification API:
se
Engine Oil Grade SAE:
20w/40
Engine Oil quantity with filter (litres):
1.3
Float Height:
28.5 mm
Fork oil grade:
15w
Front Fork Oil cc (left leg):
184
Front Fork Oil cc (right leg):
184
Idle Speed (rpm):
1300 - 1350
Spark Plugs Gap (mm):
0.6 -0.7
Tyre Pressure Back - Pillion Bar / psi:
32
Tyre Pressure Front Bar / psi:
24
Tyre Pressure Front - Pillion Bar / psi:
29
Valve Clearance Cold - Exhaust:
0.11 - 0.15
Valve Clearance Cold - Inlet:
0.05 - 0.09
Brakes
Front:
Disc
Rear:
Drum
Front Disc Size:
245 mm
Dimensions
Height:
1080 mm
Length:
1915 mm
Seat Height:
745 mm
Wet Weight:
113 kg
Wheelbase:
1280 mm
Width:
775 mm
Electrics
Voltage:
12v
Battery:
12N7-3B
Bulb-Headlight:
P15D25-3
Charging System:
battery
Ignition:
CDI
Spark Plugs:
NGK DR8EA
Engine
Type:
Air Cooled 4 Stroke SOHC Straight Single
Bore x Stroke:
57 x 48.8
Carburation:
TK kikaki
Carburation Idle Jet:
38
Carburation Main Jet:
108
Displacement:
124 cc
Fuel Minimum Octane Rating:
91
No. of Valves:
2
Pilot Screw Setting:
1.0 - 1.8
Starting:
cdi
Transmission
Chain Number of Links:
120
Clutch Type:
did 428 hg
Sprocket front:
14
Sprocket rear:
49
Transmission:
5 speed manual
Misc.
Exhaust:
single
Frame:
Steel tube cradle
Fuel Control:
carburator
Motorcycle Style:
CRUISER
Place of Manufacture:
japan
Swing Arm:
duel shock
Power
Max Power Output:
8.8kw(12hp)@ 8500 rpm
Max Torque:
9.8 NM
Standing 1/4 mile:
21 seconds
Top Speed:
90 kmh
Suspension
Front:
spring shocks
Rear:
dual shocks
Tyres
Front:
300-17 Tubed
Rear:
350-16 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.