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Big Dog  Mastiff  Pro Street General Specifications

General Specifications
Make Big Dog Model Mastiff
Year 2009 Engine OHV 45 degree V-Twin
MSRP $27900.00 USD Displacement CC 1,917.00
Type Pro Street
Front Suspension 41 mm Telescopic
Ignition Electronic Starting Electric
Engine and Components
Engine OHV 45 degree V-Twin Cubic Centimeters 1917
Cubic Inches 116 Bore and Stroke 104.8 mm x 111.1 mm
Compression Ratio 9.6:1 Induction Carbureted (EFI available)
Cooling Air Cooled
Transmission 6-Speed
Final Drive 1.125" (28.6 mm) Belt
Wheels and Tires
Front Tire MH120/70-21 62H Rear Tire 300/35-R18 87V
Weights and Measures
Dry Weight LBS 708.00 Dry Weight KG 321.14
Fuel Capacity US Gallons 4.6 Fuel Capacity Litre 17.41
Wheel Base 77.5 in. Rake Frame: 39°
Trail 4.81 in. (122.2 mm) Seat Height MM 615.95
Seat Height Inches 24.25
The Mastiff has the widest rear tire among the pro-street Dogs at 300mm wide. It continues to be a best-seller for the Kansas-based manufacturer, so BDM didn’t muck much with its styling. It does come with the choice of a Super G carb or EFI to deliver fuel to its 117 cubic-inch engine, and stickers for $27,900.

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2009 Big Dog Mastiff


2009 Big Dog Mastiff Pro Street Specifications


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