| Attribute | Big Dog K-9 250 × | APC High Roller 300 RDS × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2007 |
| Make | Big Dog | APC |
| Model | Big Dog K-9 250 | APC High Roller 300 RDS |
| Category | Custom / cruiser | Custom / cruiser |
| Engine and transmission | ||
| Engine type | V2, four-stroke | V2, four-stroke |
| Fuel system | Carburettor | Carburettor. S and S Super E |
| Engine details | 45 degree V-Twin | - |
| Displacement (cm³) | 1819.1 | 1917.4 |
| Transmission type,final drive | Belt | Belt |
| Bore (mm) | 104.8 | 111.1 |
| Stroke (mm) | 111.1 | 104.8 |
| Gearbox | 6-speed | 6-speed |
| Fuel control | Overhead Valves (OHV) | - |
| Driveline | 6-speed direct drive. Chain primary drive - Spring Compensated | - |
| Ignition | - | Dyna 2000I Single Fire Ignition |
| Compression | 9.7:1 | 10.2:1 |
| Exhaust system | - | Santee Boa |
| Chassis | ||
| Front suspension | Telescopic fork | - |
| Front brakes | Single disc. 4-piston diff bore | Single disc. Hawg Halters Inc. 4 Piston |
| Rear brakes | Single disc. 4-piston | Single disc. Hawg Halters Inc. 4 Piston |
| Frame type | - | Carbon steel |
| Front tyre | MH90-21 | 120/90-21 |
| Rear tyre | 250/40-R18 | 280/35-VR18 |
| Trail (mm) | 119 | 76 |
| Rake (fork angle) (degree) | 42 | 34 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,981 | 2,134 |
| Dry weight (kg) | 303 | 299 |
| Overall length (mm) | 2,667 | 2,819 |
| Seat height (mm) | 622 | 635 |
| Ground clearance (mm) | 114 | - |
| Performance | ||
| Reserve fuel capacity (l) | 1.5 | - |
| Fuel capacity (l) | 16.6 | 15.89 |
| Oil capacity (l) | 2.8 | - |