The Yamaha SR 400 30th Anniversary Limited Edition was released in 2008. Its engine is a four-stroke, single-cylinder with 2 valves per cylinder and a capacity of 399 cc. The compression ratio is 8.5:1 and it is air-cooled with a dry sump lubrication system. It uses a BSR33 carburetor and CDI ignition, and is started with a kick. It reaches a maximum power of 27 hp at 7000 rpm and has a maximum torque of 27.4 Nm at 6500 rpm. The clutch is wet with multiple discs and the transmission is a 5-speed. It has a chain final drive and a steel double cradle frame. The front suspension is a telescopic fork with a front wheel travel of 150 mm and a rear suspension consisting of dual shocks with a front wheel travel of 111 mm. The front brake is a single disc while the rear is a drum, with front and rear tyres measuring 3.50-19 and 4.00-16, respectively. Its rake caster angle is 27 degrees and has a trail of 111 mm with a wheelbase of 1410 mm. The seat height is 790 mm with a ground clearance of 130 mm. It has a wet weight of 174 kg and a fuel capacity of 12 litres.
Technical specifications:
Make Model: Yamaha SR 400 30th Anniversary Limited Edition
| Year | 2008 |
|---|---|
| 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 |
