Big Dog K-9: history, specs, pictures

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Big Dog K-9
Manufacturer
Also called K-9 250
Production 2008 - 2011
Engine
v2, four-stroke
Bore / Stroke 104.8mm x 111.1mm
Fuel System carburetor. optional clefi injection.
Ignition electronic single fire
Transmission Gear box: 6-speed
Final Drive: belt
Suspension Front: 41 mm telescopic fork
Brakes Front: single disc. 4-piston diff bore
Rear: single disc. 4-piston
Front Tire mh90-21
Rear Tire 300/35-r18
Wheelbase 82.01 inches (2083 mm)
Length 107.99 inches (2743 mm)
Seat Height 24.25 inches (616 mm)
Weight 701.07 pounds (318.0 Kg) (dry),
Oil Capacity 0.74 Gallon (2.80 Liters)
Fuel Capacity 4.39 Gallon (16.60 Liters)
Manuals Service Manual


The Big Dog K-9 was a v2, four-stroke standard produced by Big Dog between 2008 and 2011.

Engine[edit]

A 104.8mm bore x 111.1mm stroke result in a displacement of just 1917.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Drive[edit]

The bike has a 6-speed transmission.

Chassis[edit]

It came with a mh90-21 front tire and a 300/35-r18 rear tire. Stopping was achieved via single disc. 4-piston diff bore in the front and a single disc. 4-piston in the rear. The K-9 was fitted with a 4.39 Gallon (16.60 Liters) fuel tank. The bike weighed just 701.07 pounds (318.0 Kg). The wheelbase was 82.01 inches (2083 mm) long.