The Yamaha SR400 is a 2018 motorcycle equipped with a four-stroke, single-cylinder SOHC, 2-valve engine. It has a 399cc/24.3 cu-in capacity with a 5-speed transmission and chain final drive. The frame is made of steel double cradle and has a front telescopic fork suspension and a dual shock rear suspension. Front brakes consist of a single disc, while the rear brake is a drum. The SR400 has a maximum power of 27 hp/17.1 KW at 7000 RPM and a maximum torque of 27.4 Nm/6.3 kgf-m at 6500 RPM. The bike has a seat height of 790mm/30.9 inches, a ground clearance of 130mm/5.1 inches, and a wet weight of 174kg/384 lbs. The fuel capacity is 12 liters/3.2 US gallons, and the overall dimensions are 2085mm/82.1 inches in length, 750mm/29.5 inches in width, and 1090mm/43.1 inches in height. The rake caster angle is 27 degrees, and the trail is 111mm/4.4 inches. The front wheel travel is 150mm/5.9 inches, and the rear wheel travel is 111mm/4.3 inches. The bike utilizes fuel injection and has a TCI ignition. The bike’s lubrication system is a dry sump, and it has a kick-starting system.
Technical specifications:
Make Model: Yamaha SR 400
| Year | 2018 |
|---|---|
| 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 US gal |
