Yamaha TT 250 (1980)

The Yamaha TT 250 is a four-stroke, single cylinder motorcycle that was made in 1980. It has a 249 cc capacity, with a bore x stroke of 75 x 56.5mm. The engine is air cooled with a compression ratio of 9.7:1 and uses a 30mm Mikuni slide carburetor for induction. Ignition is done by a flywheel-magneto CDI, and it starts with a kick. The Yamaha TT 250 has a max power of 22 hp/16.1 kW @ 8000 rpm with a torque of 2 kgf-m/14.4 lb-ft @ 6500 rpm. It has a wet, multi-plate clutch and is able to go through 5 speeds. The final drive is a chain. The frame is tubular mild steel with a single front downtube. The front suspension has a 36mm stanchion tube diameter and a front wheel travel of 225 mm/8.8 in. The rear features an adjustable preload monoshock with a rear wheel travel of 191 mm/7.5 in. The front and rear brakes are both drums, and the front tire has a size of 300-21 while the rear tire is a 510-17. The seat height is 838 mm/33 in with a dry weight of 100.8 kg/242 lbs, and the fuel capacity is 7.5 liters/2.0 US gal.

---

Technical specifications:

Make Model: Yamaha TT 250

Year: 1980

Engine: Four stroke, single cylinder,

Capacity: 249 cc / 15.2 cu-in

Bore x Stroke: 75 x 56.5mm

Cooling System: Air cooled

Compression Ratio: 9.7:1

Induction: 30mm Mikuni slide carburetor

Ignition: Flywheel-magneto CDI

Starting: Kick

Max Power: 22 hp / 16.1 kW @ 8000 rpm

Max Torque: 2 kgf-m / 14.4 lb-ft @ 6500 rpm

Clutch: Wet, multi-plate

Transmission: 5 Speed

Final Drive: Chain

Frame: Tubular mild steel, single front downtube

Front Suspension: 36mm stanchion tube diameter

Front Wheel Travel: 225 mm / 8.8 in

Rear Suspension: Adjustable preload monoshock

Rear Wheel Travel: 191 mm / 7.5 in

Front Brakes: Drum

Rear Brakes: Drum

Front Tyre: 300-21

Rear Tyre: 510-17

Seat Height: 838 mm / 33 in

Dry Weight: 100.8 kg / 242 lbs

Fuel Capacity: 7.5 liters / 2.0 US gal