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.

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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