Yamaha TT-R50E Owner's Manual page 73

Primary reduction ratio:
67/18 (3.722)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
37/13 (2.846)
Transmission type:
Constant mesh 3-speed
Operation:
Left foot operation
Gear ratio:
1st:
39/12 (3.250)
2nd:
33/19 (1.736)
3rd:
28/23 (1.217)
Chassis:
Frame type:
Steel tube backbone
Caster angle:
25.50 °
Trail:
34.0 mm (1.34 in)
Front tire:
Type:
With tube
Size:
2.50-10 4PR
Manufacturer/model:
CHENG SHIN/KNOBBY
Rear tire:
Type:
With tube
Size:
2.50-10 4PR
Manufacturer/model:
CHENG SHIN/KNOBBY
Tire air pressure (measured on cold
tires):
Front:
100 kPa (15 psi) (1.00 kgf/cm²)
Rear:
100 kPa (15 psi) (1.00 kgf/cm²)
Front wheel:
Wheel type:
Spoke wheel
Rim size:
10x1.40
Rear wheel:
Wheel type:
Spoke wheel
Rim size:
10x1.40
Front brake:
Type:
Drum brake
Operation:
Right hand operation
Rear brake:
Type:
Drum brake
Operation:
Right foot operation
Front suspension:
Type:
Telescopic fork
8-2
SPECIFICATIONS
Spring/shock absorber type:
Coil spring
Wheel travel:
96.0 mm (3.78 in)
Rear suspension:
Type:
Swingarm (monocross)
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
71.0 mm (2.80 in)
Electrical system:
Ignition system:
CDI
Charging system:
AC magneto
Battery:
Model:
YT4B-BS/GT4B-5
Voltage, capacity:
12 V, 2.3 Ah/12 V, 2.5 Ah
Fuse:
Fuse:
10.0 A
8