2007 Big Dog Motorcycles Bulldog / K-9 / Chopper / Mastiff / Pitbull Service Manual

2007 Big Dog Motorcycles Service Coverage

• Covers 2007 Big Dog Motorcycles Bulldog, K-9, Chopper, Mastiff, and Pitbull models with 117 ci V-Twin engines
• Official OEM publication, 2007 Service Manual, Rev. B
• Includes 244 pages of system diagrams, part lists, and torque specifications
• Stored against your account so you can retrieve it after a hard-drive loss
• Full-text search finds any part number in seconds
• Reference only — always consult a certified technician before performing service on this equipment.

What the Manual Documents

The 2007 Big Dog Motorcycles service manual provides a structured look at the mechanical architecture of the Bulldog, K-9, Chopper, Mastiff, and Pitbull. This factory-level service publication organizes technical data into major sections, covering chassis geometry, fuel system calibration, V-Twin engine internals, and primary-clutch drive configurations. It details the alignment parameters and electrical circuit topologies necessary for maintaining these custom-built machines, ensuring that all components, from the 40-amp charging system to the specific 117 ci engine, are documented according to their original design specifications.

Specification Highlights

Specifications are provided in categorized charts, detailing bolt torques for essential fasteners and critical assembly clearances. Cylinder head bolt torque for engine components is established at 40 ft-lbs, while swingarm pivot shaft fasteners are tightened to 100 ft-lbs. The 2007 Big Dog Motorcycles maintenance guide includes fluid capacities, detailing a standard 3.0-quart oil capacity across most variants. The front brake system documentation lists torque values for banjo bolts at 16–18 ft-lbs, ensuring proper hydraulic line sealing. Rotor runout specifications for the braking system are limited to a maximum of 0.7 mm, with replacement required if values exceed this threshold. An official 244-page Big Dog Motorcycles OEM service manual for the 2007 Bulldog, K-9, Chopper, Mastiff, and Pitbull, documenting engine, chassis, electrical, and fuel-injection specifications for the 117 ci V-Twin build.