The Yamaha SR 400 motorcycle was produced from 1993-97 and had a four stroke, single cylinder, SOHC engine with 2 valves per cylinder, and a capacity of 399cc. It had a compression ratio of 8.5:1, was air cooled, and had a dry sump lubrication system. It used a BSR33 carburetor, had a CDI ignition, and was kick-started. The motorcycle had a max power of 27hp/17.1KW @ 7000rpm and a max torque of 27.4Nm/6.3kgf-m @ 6500rpm. It had a wet, multiple disc clutch and a 5-speed transmission with a final drive chain. The frame was made of steel double cradle, and it had a telescopic fork front suspension and dual shocks in the rear. The front wheel traveled 150mm/5.9in and the rear traveled 111mm/4.3in. It had a single front disc brake and a rear drum brake, with a 3.50-19 front tire and a 4.00-16 rear tire. The rake caster angle was 27o and had a 111mm/4.4in trail. The wheelbase was 1410mm/55.5in, the seat height was 790mm/30.9in, and the ground clearance was 130mm/5.1in. The wet weight was 174kg/384lbs and the fuel capacity was 12 Liters/3.2 gallons.
Technical specifications:
Make Model: Yamaha SR 400
| Year | 1993 – 97 |
|---|---|
| Engine | Four stroke, single cylinder, SOHC, 2 valves per cylinder. |
| Capacity | 399 cc / 24.3 cu-in |
| Bore x Stroke | 87 67.2 mm |
| Compression Ratio | 8.5:1 |
| Cooling System | Air cooled |
| Oil Capacity | 2.4 Litres |
| Lubrication | Dry sump |
| Induction | BSR33 carburetor |
| Ignition | CDI |
| Starting | Kick |
| Max Power | 27 hp / 17.1 KW @ 7000 rpm |
| Max Torque | 27.4 Nm / 6.3 kgf-m @ 6500 rpm |
| Clutch | Wet, Multiple Disc |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Frame | Steel Double Cradle |
| Front Suspension | Telescopic fork |
| Front Wheel Travel | 150 mm / 5.9 in |
| Rear Suspension | Dual shocks |
| Front Wheel Travel | 111 mm / 4.3 in |
| Front Brakes | Single disc |
| Rear Brakes | Drum |
| Front Tyre | 3.50-19 |
| Rear Tyre | 4.00-16 |
| Rake Caster Angle | 27 o |
| Trail | 111 mm / 4.4 in |
| Wheelbase | 1410 mm / 55.5 IN |
| Seat Height | 790 mm / 30.9 in |
| Ground Clearance | 130 mm / 5.1 in |
| Wet Weight | 174 kg / 384 lbs |
| Fuel Capacity | 12 Litres / 3.2 gal |
