Technical SpecificationsYamaha STX 125
| Engine Engine type Bore x Stroke Displacement Valves Compression ratio Max Power Max Torque Fuel system Transmission Final drive Clutch Ignition type Starting system Lubrication Exhaust Spark plug Battery Gear ratios | Air-cooled, single cylinder, 4-stroke, SOHC 54.0 x 54.0 mm 123.7 cc 2 valves per cylinder 10.0:1 7.72kW @ 8000 rpm 10 Nm @ 6500 rpm Carburetors, VM20 4-speed constant-mesh Chain Wet, multiple-disc (coil spring) DC-C.D.I. Kick starter Wet sump 1st 2.750 2nd 1.688 3rd 1.200 4th 0.913 |
| Dimensions Frame type Castor Overall length Overall width Overall height Wheelbase Seat height Ground clearance Dry weight Fuel capacity Colors Suspension (front) Suspension (rear) Tyre (front) Tyre (rear) Brake (front) Brake (rear) | Double cradle 1960 mm 810 mm 1060mm 1240 mm 780 mm 140 mm 108 kg 11 litres Telescopic, coil spring, oil damped Swinging arm, coil spring, oil damped, spring pre-load 3.00 x 17 4PR 3.00 x 17 4PR Drum Drum |
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