| Attribute | FGR Midalu 2500 2011 × | Viper Black Diamond 2013 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2013 |
| Make | FGR | Viper |
| Model | FGR Midalu 2500 | Viper Black Diamond |
| Category | Prototype / concept model | Custom / cruiser |
| Engine and transmission | ||
| Engine type | V6, four-stroke | V2, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Injection | Carburettor. Mikuni HSR 45 Flat Slide |
| Engine details | - | 45 Degree V-Twin |
| Displacement (cm³) | 2,442 | 2,491 |
| Cooling system | Liquid | - |
| Transmission type,final drive | - | Belt |
| Bore (mm) | 90 | - |
| Stroke (mm) | 64 | - |
| Gearbox | 6-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Driveline | - | Rivera Pro 6-Speed with Over-Drive. Primary drive: Hydraulic Chain. Final drive: Patented Viper Rigid Belt Drive. |
| Clutch | Anti-hopping, 12 discs | Rivera |
| Lubrication system | - | Dry sump with oil in the frame |
| Compression | 9.9:1 | - |
| Exhaust system | - | Tuned 2 into 1 |
| Chassis | ||
| Front suspension | Fully adjustable USD Ohlins 43mm forks, 120mm stroke, FGT Kits | Marzocchi Inverted Adjustable Forks |
| Rear suspension | Fully adjustable Ohlins 46mm central spring unit, 78mm stroke | Viper Chrome Billet Aluminum Swing Arm with Viper Oil Dampened Adjustable Air-Ride |
| Front brakes | Double disc | Single disc. 4-piston, chromed |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 215 | - |
| Frame type | Steel tube truss with combined holder for composite fuel tank | - |
| Front tyre | 120/70-ZR17 | 120/70-21 |
| Rear tyre | 200/50-ZR17 | 260/40-18 |
| Wheels | - | 5-spoke chrome. Metzeler tyres. |
| Trail (mm) | 132 | - |
| Rake (fork angle) (degree) | 24 | 33 |
| Other | ||
| Starter | Electric | - |
| Color options | - |
|
| Instruments | - | Multi-Functional Digital Gauges |
| Dimensions | ||
| Wheelbase (mm) | 1,527 | 1,803 |
| Dry weight (kg) | 270 | 299 |
| Seat height (mm) | 780 | 610 |
| Performance | ||
| Fuel capacity (l) | 18.5 | - |
| Oil capacity (l) | - | 4.2 |