Yamaha XT125 (1983)
The Yamaha XT 125 was a motorcycle introduced in 1983 with a four stroke, single cylinder engine that had a capacity of 124 cc. It had a compression ratio of 10.0:1 and was air-cooled. The ignition system was CDI and it started with a kick. The bike had a maximum power output of 12.5 hp at 8000 rpm and a maximum torque of 1.0 kg-m at the same rpm. The transmission had five speeds and the final drive was a chain. The front suspension used telescopic forks and the rear suspension used motocross. The front and rear brakes were drum brakes. The front tyre was 2.75-21 and the rear tyre was 4.10-18. The wheelbase was 1330 mm and the seat height was 835 mm. The ground clearance was 265 mm and the dry weight was 98 kg. The fuel capacity was 7 litres and the consumption average was 78 mpg. The standing quarter-mile time was 20 seconds and the top speed was 75 mph.
Technical specifications:
Make Model: Yamaha XT 125
Year: 1983 –
Engine: Four stroke, single cylinder. SOHC, 2 valve
Capacity: 124 cc / 7.6 cu-in
Bore x Stroke: 57 48.8 mm
Cooling System: Air cooled
Compression Ratio: 10.0:1
Induction: Carburetor
Ignition: CDI
Starting: Kick
Max Power: 12.5 hp / 9.2 kW @ 8000 rpm
Max Torque: 1.0 kg-m / 9.8 Nm @ 8000 rpm
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: Telescopic forks
Rear Suspension: Motocross
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 2.75-21
Rear Tyre: 4.10-18
Wheelbase: 1330 mm / 52.3 in
Seat Height: 835 mm / 32.4 in
Ground Clearance: 265 mm / 10.4 in
Dry Weight: 98 kg / 216 lbs
Fuel Capacity: 7 Litres / 2.0 US gal
Consumption Average: 78 mpg
Standing 1/4 Mile: 20 sec
Top Speed: 75 mph
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