The Yamaha SR400 motorcycle was produced in 2014-2015 with a four-stroke, single cylinder, SOHC engine and a fuel injection induction. Its 399cc capacity and 87 x 67.2mm bore x stroke produces a compression ratio of 8.5:1. The bike is air-cooled and has a dry sump lubrication system with a 2.4-liter oil capacity. The kick starter launches the engine into a maximum power of 27 hp at 7000 rpm and a maximum torque of 27.4 Nm at 6500 rpm. The transmission is a 5-speed with a wet, multiple disc clutch and a chain final drive. The steel double cradle frame has a telescopic fork front suspension with 150mm wheel travel and dual shock rear suspension with 111mm wheel travel. Braking is provided by a front single disc and rear drum brake system with a 3.50-19 front tire size and a 4.00-16 rear tire size. The Rake Caster Angle is 27o and the trail is 111mm. The bike dimensions are L2085mm x W750mm x H1090mm with a wheelbase of 1410mm and a seat height of 790mm. The wet weight of the bike is 174kg and has a fuel capacity of 12 liters.
Technical specifications:
Make Model: Yamaha SR 400
| Year | 2014 – 15 |
|---|---|
| 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 |
