Spec Sheet
The information below is specific to the Yamaha - FS1-M 78, 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 - FS1-M 78
Bike Info
CC:
50
Service
Tyre Pressure Back Bar / psi:
26 psi cold
Tyre Pressure Back - Pillion Bar / psi:
28 psi
Tyre Pressure Front Bar / psi:
24 psi cold
Brakes
Front:
Drum
Rear:
Drum
Front Drum Size:
110 mm
Rear Drum Size:
110 mm
Electrics
Voltage:
6v
Battery:
4amp/hr
Bulb-Headlight:
15/15 7volt prefocus
Charging System:
magneto
Ignition:
points
Main Fuse:
10 amp
Spark Plugs:
NGK BR7HS
Engine
Bore x Stroke:
40x36.9
Carburation:
mikuni v16
Compression Ratio:
7:1
Displacement:
49cc
Starting:
kick
Transmission
Chain Number of Links:
92
Chain type:
Wet
Final Drive:
D link chain
Sprocket front:
13
Sprocket rear:
39
Transmission:
4 speed
Misc.
Colour Options:
year dependant
Exhaust:
single or 2 part expansion chamber
Frame:
pressed steel T bone
Fuel Control:
carburettor
Motorcycle Style:
ROADSTER
Power
Fuel Consumption:
98 mpg avg.
Top Speed:
30 mph (restricted) 50 mph capable
Suspension
Front:
twin telescopic forks
Rear:
twin coil over damper
Tyres
Front:
225-17 Tubed
Rear:
250-17 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.