For the motorcycling enthusiast who's ready to break out of the mass market pack, one breed has embodied the pinnacle of the custom American V-Twin experience for over a decade: Big Dog Motorcycles!
Big Dog Motorcycles, LLC, started production in 1994 and has since built over 20,000 motorcycles, becoming the world’s largest manufacturer of custom motorcycles, the leading builder of chopper-style motorcycles, and the number two American V-Twin company.
The company’s entire line of five motorcycles uses a V-twin 117 cubic inch engine, 6-speed transmission, stretch one-piece steel tank, right side drive, super fat tires, chrome components, steel fenders, and an extensive variety of custom paint colors and graphics.
The 2007 line also includes Big Dog Motorcycles custom-designed electronics, hand controls, foot controls, mirrors, air cleaner cover, coil cover, and other components, with some models available with electronic fuel injection, all earning the company true OEM status.
The company’s motorcycles are distributed through over 100 dealers throughout the United States. Designing, manufacturing, and distributing are performed at the company’s 175,000 square-foot world headquarters in Wichita, Kansas by over 300 employees.

New in 2008 is the Fuel Injection Upgrade Option for the K-9 and Mastiff.  You can also get factory chrome including rims, rotors, hubs, pulley, hand controls, forward controls and the lower legs are always chrome !!

 

2008 Big Dog Motorcycles: The K9

 
  • COLOSSAL 330mm rear tire
  • Amazingly rideable and predictable
  • 4 inch backbone stretch, 8 inch down tube stretch
  • 39 degree rake plus 3 more degrees in the trees
  • 9 feet long
  • Rigid frame
  • 12 inch OS fork length
  • 117 Cubic Inches of Pavement Shredding V-Twin Power (Carbureted)

  • State of the Art Baker RSD 6-Speed Transmission

  • Award Winning BDM Balance Drive System for Superior Agility and Corning

 

 

 

 

 

 

 

 

2008 Big Dog Motorcycles: The K9

 
  • 250mm rear tire and Chrome 80 spoke wheels
  • Frame matched powder coated struts, license plate frame and speedo housing
  • 37 degree frame rake plus 2 degrees in the trees
  • Amazingly rideable and predictable
  • 4 inch backbone stretch, 8 inch down tube stretch
  • 39 degree rake plus 3 more degrees in the trees
  • 8.5 feet long with a Softail frame and Hidden shock suspension
  • 12 inch OS fork length
  • Sleek, slender tank
  • 6 inch backbone stretch
  • 2 inch OS forks
  • 117 Cubic Inches of Pavement Shredding V-Twin Power (Carbureted) Powder coated wrinkle black

  • State of the Art Baker RSD 6-Speed Transmission

 

 

2008 Big Dog Motorcycles: The K9

  • Distinctive, 4.6 gallon tank
  • Hydraulic Spring seat
  • Rigid frame design 
  • 1 inch OS DT; 6 inch OS BB
  • 37 degree rake (33 degree frame and 4 degree tree)
  • 280mm rear tire (20" Rim)
  • 130mm front tire on a 23" rim
  • 102 inch total length
  • 4.75 inch ground clearance
  • 117 Cubic Inches of Pavement Shredding V-Twin Power (Carbureted) 

  • State of the Art Baker 6-Speed Transmission

  • Award Winning BDM RSD Balance Drive System for Superior Agility and Corning

 

2008 Big Dog Motorcycles: The K9

 

  • Nine Feet Long

  • Low Slung

  • 300mm Rear Tire

  • 39-Degree Frame Rake

  • Stretched One-Piece Tank

  • A Hidden shock suspension that's incredibly soft on your tail.

  • 117 Cubic Inches of Pavement Shredding V-Twin Power (Carbureted) with a Fuel Injection Upgrade Option

  • State of the Art Baker 6-Speed Transmission

  • Award Winning BDM RSD Balance Drive System for Superior Agility and Corning

 

 

2008 Big Dog Motorcycles: The K9

 

  • 300mm Rear Tire

  • 39-Degree Frame Rake

  • Stretched One-Piece Tank

  • A Hidden shock suspension that's incredibly soft on your tail.

  • Sleek Curved Downtube Design

  • Aggressive Long, Low Design

  • 117 Cubic Inches of Pavement Shredding V-Twin Power (Carbureted) with a Fuel Injection Upgrade Option

  • State of the Art Baker RSD 6-Speed Transmission

  • Award Winning BDM Balance Drive System for Superior Agility and Corning

 

 

 

2007 Big Dog Motorcycles: The K9

 

  • Nine Feet Long

  • Low Slung

  • 300mm Rear Tire

  • 39-Degree Frame Rake

  • Stretched One-Piece Tank

  • A Hidden shock suspension that's incredibly soft on your tail.

 

  • 117 Cubic Inches of Pavement Shredding V-Twin Power

  • State of the Art Baker 6-Speed Transmission

  • Award Winning BDM Balance Drive System for Superior Agility and Corning

  • The new leader in American V-Twin chopper pack has been unleashed!

2007 K9 Motorcycle

2007 Big Dog Motorcycles: The K9

 

2007 Big Dog Motorcycles: The Bulldog

 

  • Electronic fuel Injection

  • Ultra Fat 300mm tire

  • Curved down Tubes

  • 3-D sculpted wheels

  • 56mm Inverted Front suspension

  • Dramatic long, low stance

 

 

  • Diamond cut heads and cylinders

  • 117 Cubic Inches of Pavement Shredding V-Twin Power

  • State of the Art Baker 6-Speed Transmission

  • Award Winning BDM Balance Drive System for Superior Agility and Corning

Big Dog Motorcycles: The 2007 BullDog!

2007 Big Dog Motorcycles: The Bulldog

 

 

2007 Big Dog Motorcycles: The Chopper

 

  • 250mm Rear Tire

  • 37-Degree Frame Rake

  • Stretched One-Piece Tank

  • A Hidden shock suspension that's incredibly soft on your tail.

  • Classic Chopper-Style Lines

 

 

  • 117 Cubic Inches of Pavement Shredding V-Twin Power

  • State of the Art Baker 6-Speed Transmission

  • Award Winning BDM Balance Drive System for Superior Agility and Corning

Big Dog Motorcycles: The 2007 Chopper!

2007 Big Dog Motorcycles: The Chopper

 

2007 Big Dog Motorcycles: The Mastiff

 

  • 3000mm Rear Tire

  • 39-Degree Frame Rake

  • Stretched One-Piece Tank

  • A Hidden shock suspension that's incredibly soft on your tail.

  • Aggressive Long, Low Design

 

  • 117 Cubic Inches of Pavement Shredding V-Twin Power

  • State of the Art Baker 6-Speed Transmission

  • Award Winning BDM Balance Drive System for Superior Agility and Corning

 

Big Dog Motorcycles: The 2007 Mastiff!

2007 Big Dog Motorcycles: The Mastiff

 

2007 Big Dog Motorcycles: The Pitbull

 

  • 300mm Rear Tire

  • 39-Degree Frame Rake

  • Rigid Frame

  • Stretched One-Piece Tank

  • A Hidden shock suspension that's incredibly soft on your tail.

 

  • 117 Cubic Inches of Pavement Shredding V-Twin Power

  • State of the Art Baker 6-Speed Transmission

  • Award Winning BDM Balance Drive System for Superior Agility and Corning

Big Dog Motorcycles: The 2007 Pitbull!

2007 Big Dog Motorcycles: The Pitbull

 

 

2007

MODEL
COMPARISON

K9

Bulldog

Chopper

Mastiff

Pitbull

  2 year factory warranty 2 year factory warranty 2 year factory warranty 2 year factory warranty 2 year factory warranty
Dry Weight 710 lbs 728 lbs 665 lbs 712 lbs 653 lbs
Engine OHV 45 degree
V-Twin
OHV 45 degree
V-Twin
OHV 45 degree
V-Twin
OHV 45 degree
V-Twin
OHV 45 degree
V-Twin
Displacement 117 cu. in
(1916 c.c.)
117 cu. in
(1916 c.c.)
117 cu. in
(1916 c.c.)
117 cu. in
(1916 c.c.)
117 cu. in
(1916 c.c.)
Bore X Stroke 4 1/8" X 4 3/8" 4 1/8" X 4 3/8" 4 1/8" X 4 3/8" 4 1/8" X 4 3/8" 4 1/8" X 4 3/8"
Compression Ratio 9.6:1 9.6:1 9.6:1 9.6:1 9.6:1
Fuel Capacity
Main/Reserve
4.0 gal/.4 gal 3.0 gal/1.6 gal 3.4 gal/.4 gal 3.9 gal/.7 gal 3.9 gal/.7 gal
Oil Capacity 3.0 quarts 3.0 quarts 3.0 quarts 3.0 quarts 3.0 quarts
Transmission Baker 6-speed Baker 6-speed Baker 6-speed Baker 6-speed Baker 6-speed
Primary Drive Chain Chain Chain Chain Chain
Final Drive Belt (1 1/8") Belt (1 1/8") Belt (1 1/8") Belt (1 1/8") Belt (1 1/8")
Frame Stretch 8" Downtube;
4" Backbone
0" Downtube;
6" Backbone
7" Downtube;
3" Backbone
Stock Downtube;
6" Backbone
6" Overstandard Backbone;
1" Understandard Downtube
Tube Length 12" OS 2" OS 10" OS 2" OS 2" OS
Frame Rake 39 Degrees 39 Degrees 37 Degrees 39 Degrees 39 Degrees
Rear Suspension Hidden Shocks Hidden Shocks Hidden Shocks Hidden Shocks None
Front Suspension 41mm Telescopic 56mm Inverted 41mm Telescopic 41mm Telescopic 41mm Telescopic
Seat Height 24.25" 24.25" 25" 24.25" 24.25"
Ground Clearance 4" 4" 4.5" 4" 4"
Wheel Base 82" 77.5" 77.5" 77.5" 77.5"
Total Length 108" 103" 104" 103" 103"
Front Brake 4-Piston Caliper
Differential Bore
4-Piston Caliper
Differential Bore
4-Piston Caliper
Differential Bore
4-Piston Caliper
Differential Bore
4-Piston Caliper
Differential Bore
Rear Brake 4-Piston Caliper 4-Piston Caliper 4-Piston Caliper 4-Piston Caliper 4-Piston Caliper
Front Tire MH90X21 MH120/70X21 MH90X21 MH120/70X21 MH120/70X21
Rear Tire 300/35X18 300/35X18 250/40X18 300/35X18 300/35X18
Tire Pressure Front: 34psi
Rear: 40psi
Front: 34psi
Rear: 40psi
Front: 34psi
Rear: 40psi
Front: 34psi
Rear: 40psi
Front: 34psi
Rear: 40psi
Ignition Electronic Single Fire Electronic Single Fire Electronic Single Fire Electronic Single Fire Electronic Single Fire

 

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