Big Dog K-9 - 2011 Specifications and Reviews

The 2011 Big Dog K-9 is a heavyweight cruiser designed for riders seeking authentic American-style riding with impressive presence. Known for its long 82-inch wheelbase and low 24.3-inch seat height, it delivers classic styling combined with modern reliability and a 24-month factory warranty.

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General information

CategoryCustom / cruiser
Year2011
ModelBig Dog K-9
 
 

Engine and Transmission Specifications

Transmission type,final driveBelt
Gearbox6-speed
Fuel controlOHV
Fuel systemCarburettor. Optional CLEFI injection.
Bore x stroke104.8 x 111.1 mm (4.1 x 4.4 inches)
Compression9.6:1
Engine details45 degree V-Twin
Engine typeV2, four-stroke
Capacity:1917.00 ccm (116.98 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. 4-piston
Front brakesSingle disc. 4-piston diff bore
Rear tyre dimensions300/35-R18
Front tyre dimensionsMH90-21
Front suspension41 mm Telescopic fork
Trail111 mm (4.4 inches)
Rake (fork angle)39.0°

Physical measures and capacities

Oil capacity2.80 litres (0.18 quarts)
Reserve fuel capacity1.50 litres (0.40 gallons)
Fuel capacity16.60 litres (4.39 gallons)
Wheelbase2,083 mm (82.0 inches)
Ground clearance102 mm (4.0 inches)
Overall length2,743 mm (108.0 inches)
Seat height616 mm (24.3 inches) If adjustable, lowest setting.
Dry weight318.0 kg (701.1 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed
Factory warranty24 months
Electrical310 CCA/Sealed AGM Battery
StarterElectric

Performance Profile & Rider Fit

Best For

Track5%
City35%
Cornering25%
Daily Riding45%
Touring45%
Passenger40%

Rider Profile

Best ForThis 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.
PurposeBuilt as a bold styling statement and boulevard cruiser, it's meant for relaxed, image-driven riding rather than outright performance or sport handling.
Rider FitThe 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.
CharacterIt 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 ForThis 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.

Rider Fit Visualizer

2011 Big Dog K-9 Rider Ergonomics Assessment

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Feet:

At 616mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2011 Big Dog K-9, with a cramped knee angle of around 70 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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