The Yamaha SR 400 motorcycle was produced between 2010 and 2011. It has a four-stroke, single-cylinder engine with a capacity of 399 cc and a compression ratio of 8.5:1. The bike is air-cooled and has a dry sump lubrication system. Fuel injection is used for induction and the ignition system is TCI. The bike has a maximum power output of 27 horsepower and a maximum torque of 27.4 Nm. It has a 5-speed transmission and a chain final drive. The frame is made of steel double cradle and the front suspension is a telescopic fork with 150 mm of travel. The rear suspension is dual shocks with 111 mm of travel. The bike has a single disc front brake and a drum rear brake. The front tire is 3.50-19 and the rear tire is 4.00-16. The rake caster angle is 27 degrees and the trail is 111 mm. The bike is 2085 mm long, 750 mm wide, and 1090 mm high. The wheelbase is 1410 mm and the seat height is 790 mm. The wet weight of the bike is 174 kg and it has a fuel capacity of 12 liters.
Technical specifications:
Make Model: Yamaha SR 400
| Year | 2010 – 11 |
|---|---|
| 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 | Fuel injection |
| Ignition | TCI |
| 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 |
| Dimensions | Length 2085 mm / 82.1 in Width 750 mm / 29.5 in Height 1090 mm / 43.1 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 |
