Comparison of Suzuki RG 400 Gamma 1985 and Yamaha WR250R 2012 [S]ave
| Attribute |  Suzuki RG 400 Gamma 1985 × |  Yamaha WR250R 2012 × |
|---|---|---|
| General | ||
| Production from (year) | 1985 | 2012 |
| Make | Suzuki | Yamaha |
| Model | Suzuki RG 400 Gamma | Yamaha WR250R |
| Category | Sport | Enduro / offroad |
| Engine and transmission | ||
| Engine type | V4, two-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 1 | 4 |
| Fuel system | Carburettor. Mikuni VM28SH (VM28SS), four (Flat Slide) | Injection |
| Engine details | - | Two titanium intake valves and two steel exhausts, forged piston and plated cylinder for outstanding durability. |
| Displacement (cm³) | 397.4 | 250 |
| Power (kw) | 43.1 | - |
| Max RPM (rpm) | 10,000 | 10,000 |
| Fuel consumption (l/100km) | 9 | 3.31 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 50 | 77 |
| Stroke (mm) | 50.6 | 53.6 |
| Gearbox | 6-speed | 6-speed |
| Greenhouse gases | 208.8 CO2 g/km. (CO2 - Carbon dioxide emission) | 76.8 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | Rotary valves | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | electronic SUZUKI ´PEI´ 14deg B.T.D.C.below1700rpm 26deg B.T.D.C. (2700 - 6000rpm) 11deg B.T.D.C.above9500rpm; NGK : BR9ES; 12V 14 | Direct ignition coil |
| Clutch | wet 8-plate type | Wet, multiplate |
| Lubrication system | Suzuki ´CCI´ Oil pump injection (carbs) + Wet sump (transmission/clutch) | Wet sump |
| Compression | 7.0:1 | 11.8:1 |
| Exhaust system | 4in4 steel pipes with expansion chambers | - |
| Chassis | ||
| Front suspension | 38mm Telescopic pneumatic/coil spring oil damped with posi-damp unit, adjustable anti dive valving. Spring pre-load fully adjustable | Inverted fork |
| Rear suspension | Full-floating suspension sytem, gas/oil damped, spring pre-load fully adjustable | Single shock |
| Front brakes | Double disc. 4-piston calipers | Single disc |
| Rear brakes | Single disc. 2-piston caliper | Single disc |
| Diameter (mm) | 210 | 230 |
| Frame type | double downtube, full cradle, box section aluminium perimetre frame | - |
| Front tyre | 2.50-16 | 80/100-21 |
| Rear tyre | 2.75-17 | 120/80-18 |
| Front wheel travel (mm) | 130 | 269 |
| Rear wheel travel (mm) | 127 | 269 |
| Trail (mm) | 110 | - |
| Rake (fork angle) (degree) | 25.5 | - |
| Other | ||
| Starter | Kick | Electric |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,425 | 1,420 |
| Kerb weight (kg) | 181 | 135.2 |
| Dry weight (kg) | 154 | - |
| Power/weight ratio | 0.2799 | - |
| Overall height (mm) | 1,185 | 1,229 |
| Overall length (mm) | 2,100 | 2,174 |
| Overall width (mm) | 695 | 810 |
| Seat height (mm) | 770 | 930 |
| Ground clearance (mm) | 120 | 295 |
| Front percentage of weight | 49 | - |
| Rear percentage of weight | 51 | - |
| Performance | ||
| Top speed (km/h) | 205 | - |
| Acceleration 0-100 km/h (s) | 4.9 | - |
| Reserve fuel capacity (l) | 5 | - |
| Fuel capacity (l) | 22 | 7.19 |
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