The Yamaha SR400 from 2004 to 2008 is a four-stroke, single-cylinder motorcycle that has a capacity of 399cc, a compression ratio of 8.5:1, and an air-cooled cooling system. Its fuel is delivered through the BSR33 carburetor, and ignition is handled by the CDI. The bike is started through a kick-start system. With a maximum power of 27 horsepower at 7000 RPM and a maximum torque output of 27.4 Nm at 6500 RPM, the Yamaha SR400 has a wet, multiple disc clutch system and a 5-speed transmission with a final drive chain. The frame of the bike is made of steel double cradle, and it has telescopic fork front suspension with 150mm front wheel travel and dual shocks rear suspension with 111mm rear wheel travel. It has a single disc brake on the front wheel and a drum brake on the rear wheel. Additionally, it has a 3.50-19 front tire and a 4.00-16 rear tire, a rake caster angle of 27 degrees, a wheelbase of 1410mm, a seat height of 790mm, and a wet weight of 174kg. The fuel capacity of the Yamaha SR400 is 12 liters, and it has ground clearance of 130mm.
Technical specifications:
Make Model: Yamaha SR 400
| Year | 2004 – 08 |
|---|---|
| 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 |
