Big Dog K-9 - 2009 Specifications and Reviews
The 2009 Big Dog K-9 is a heavyweight custom cruiser powered by a massive 1917cc V-twin engine, delivering commanding presence and raw power. Designed for riders seeking distinctive styling and impressive performance, this bike excels with its low-slung geometry, comfortable seating, and belt-driven reliability. Best known for its bold custom aesthetic and genuine American cruiser character.
General information | |
| Category | Custom / cruiser |
| Year | 2009 |
| Model | Big Dog K-9 |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Belt |
| Gearbox | 6-speed |
| Ignition | Electronic Single Fire |
| Fuel control | OHV |
| Fuel system | Carburettor |
| Compression | 9.6:1 |
| Stroke | 4 |
| Engine type | V2 |
| Capacity: | 1917.00 ccm (116.98 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 2,083 mm (82.0 inches) |
| Ground clearance | 115 mm (4.5 inches) |
| Overall length | 2,743 mm (108.0 inches) |
| Seat height | 616 mm (24.3 inches) If adjustable, lowest setting. |
| Dry weight | 318.0 kg (701.1 pounds) |
| | |
Big Dog K-9 dimensions and frame | |
| Rear brakes | Single disc. 4-piston |
| Front brakes | Single disc. 4-piston |
| Rear tyre dimensions | 300/35-18 |
| Front tyre dimensions | MH90-21 |
| Front suspension | 41 mm Telescopic |
| Trail | 110 mm (4.4 inches) |
| Rake (fork angle) | 39.0° |
Speed and acceleration | |
| Oil capacity | 2.80 litres (0.18 quarts) |
| Reserve fuel capacity | 1.51 litres (0.40 gallons) |
| Fuel capacity | 16.65 litres (4.40 gallons) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track5%
City35%
Cornering25%
Daily Riding45%
Touring45%
Passenger40%
Rider Profile
| Best For | This machine suits a confident, experienced rider who is comfortable managing a long, heavy, low-slung custom cruiser with a wide rear tyre and stretched wheelbase. |
| Purpose | Built as a bold styling statement and boulevard cruiser, it's meant for relaxed, image-driven riding rather than outright performance or sport handling. |
| Rider Fit | The low 616 mm seat height makes it approachable for shorter riders, but the 318 kg dry weight and long 2083 mm wheelbase demand strength and care at low speeds and when maneuvering. |
| Character | It has the soulful, torque-heavy pulse typical of a big-inch 45-degree V-twin, delivering laid-back, deliberate power rather than high-revving excitement. |
| Not Ideal For | This is not the bike for riders seeking agile cornering, off-road capability, or a light, flickable ride through tight city traffic. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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