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Model Type
Chopper
Model Type
Cruiser
MSRP
$29,900
MSRP
$7,299
Warranty
24
Warranty
24
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Chopper
Generic Type (Primary)
Cruiser
Manufacturer Country
USA
Manufacturer Country
South Korea
Introduction Year
2006
Introduction Year
2010
Manufacturer Recommend Minimum Age
16
Manufacturer Recommend Minimum Age
-
Parent Company
Big Dog
Parent Company
Hyosung
Display Name
K-9(TM)
Display Name
ST7
Year
2010
Year
2010
Make
Big Dog
Make
Hyosung
Engine Brand Name
S&S
Engine Brand Name
-
Engine Type
V Twin
Engine Type
V Twin
Cylinders
2
Cylinders
2
Engine Stroke
4-Stroke
Engine Stroke
4-Stroke
Cooling
Air
Cooling
Liquid
Valves
4
Valves
8
Valves Per Cylinder
2
Valves Per Cylinder
4
Valve Configuration
OHV - Pushrod
Valve Configuration
DOHC
Bore (mm/in)
104.8 / 4.13
Bore (mm/in)
81.5 / 3.21
Stroke (mm/in)
111.1 / 4.38
Stroke (mm/in)
65 / 2.56
Displacement (cc/ci)
1917.3 / 117
Displacement (cc/ci)
678.2 / 41.4
Compression Ratio
9.6:1
Compression Ratio
11.5:1
Starter
Electric
Starter
Electric
Fuel Type
Gas
Fuel Type
Gas
Carburetion Brand
S & S Super G
Carburetion Brand
-
Fuel Injector
No
Fuel Injector
Yes
Carburetor
Yes
Carburetor
No
Number Of Carburetors
1
Number Of Carburetors
-
Carburetion Type
Carburetor
Carburetion Type
Fuel Injected
Horsepower (bhp/kW)
-
Horsepower (bhp/kW)
62 / 46.3
Horsepower RPM
-
Horsepower RPM
8000
Torque (Ft Lbs/Nm)
-
Torque (Ft Lbs/Nm)
47 / 63.7
Torque RPM
-
Torque RPM
7500
Fuel Requirements
-
Fuel Requirements
Regular
Transmission Type
Manual
Transmission Type
Manual
Number Of Speeds
6
Number Of Speeds
5
Overdrive
Yes
Overdrive
Yes
Primary Drive (Rear Wheel)
Belt
Primary Drive (Rear Wheel)
Belt
Primary Drive (Engine / Transmission)
Chain
Primary Drive (Engine / Transmission)
-
Transmission Brand
Baker
Transmission Brand
-
Heel Toe Shifter
Standard
Heel Toe Shifter
-
Reverse
-
Reverse
No
Wheels Composition
Aluminum
Wheels Composition
Aluminum
Tube / Tubeless
Tubeless
Tube / Tubeless
-
Front Wheel Width (in)
2.2
Front Wheel Width (in)
-
Rear Wheel Width (in)
10.5
Rear Wheel Width (in)
-
Chromed
Yes
Chromed
No
Front Tire Aspect Ratio
90
Front Tire Aspect Ratio
80
Front Tire Speed Rating
56V
Front Tire Speed Rating
60H
Front Wheel Diameter
21
Front Wheel Diameter
16
Rear Tire Width
300
Rear Tire Width
170
Rear Tire Aspect Ratio
35
Rear Tire Aspect Ratio
80
Rear Tire Speed Rating
87V
Rear Tire Speed Rating
77H
Rear Wheel Diameter
18
Rear Wheel Diameter
15
Front Tire (Full Spec)
MH90-21 56V
Front Tire (Full Spec)
120/80 R16 60H
Rear Tire (Full Spec)
300/35 R18 87V
Rear Tire (Full Spec)
170/80 R15 77H
Front Tire Width
-
Front Tire Width
120
Front Brake Type
Hydraulic Disc
Front Brake Type
Hydraulic Disc
Rear Brake Type
Hydraulic Disc
Rear Brake Type
Hydraulic Disc
Front Brake Diameter (in/mm)
-
Front Brake Diameter (in/mm)
11.8 / 300
Rear Brake Diameter (in/mm)
-
Rear Brake Diameter (in/mm)
10.6 / 270
Front Suspension Type
Telescopic Fork
Front Suspension Type
Telescopic Fork
Front Suspension Size (in/mm)
1.6 / 41
Front Suspension Size (in/mm)
1.6 / 41
Front Adjustable Fork Pre-Load
No
Front Adjustable Fork Pre-Load
No
Front Adjustable Rebound Damping
No
Front Adjustable Rebound Damping
No
Front Central Suspension Strut
No
Front Central Suspension Strut
No
Steering Damper
No
Steering Damper
No
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Rear Adjustable Shock / Spring Pre-Load
No
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Rebound Damping
No
Rear Adjustable Rebound Damping
No
Number Rear Shock Absorbers
2
Number Rear Shock Absorbers
2
Rear Suspension Material
-
Rear Suspension Material
Steel
Air Adjustable
-
Air Adjustable
No
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
9
Length (ft)
8.1
Wheelbase (in/mm)
82 / 2082.8
Wheelbase (in/mm)
66.5 / 1689.1
Ground Clearance (in/mm)
4 / 101.6
Ground Clearance (in/mm)
6.1 / 154.9
Length (ft/ft)
9
Length (ft/ft)
8
Length (ft/in)
0
Length (ft/in)
1.2
Dry Weight (lbs/kg)
705 / 320
Dry Weight (lbs/kg)
505 / 229
GVWR (lbs/kgs)
1130 / 512.6
GVWR (lbs/kgs)
915 / 415
Fuel Capacity (gal/l)
4.4 / 16.6
Fuel Capacity (gal/l)
4.8 / 18.2
Fuel Capacity Reserve (gal/l)
0.4 / 1.5
Fuel Capacity Reserve (gal/l)
-
Engine Displacement to Weight (cc)
2.72
Engine Displacement to Weight (cc)
1.34
Width (in/mm)
-
Width (in/mm)
37.8 / 960.1
Height (in/mm)
-
Height (in/mm)
44.7 / 1135.4
Wet Weight (lbs/kg)
-
Wet Weight (lbs/kg)
538 / 244
Seat Type
One-Piece
Seat Type
Two-Piece
Adjustable
No
Adjustable
No
Seat Material
Leather
Seat Material
Leather
Seat Location
Driver
Seat Location
Driver and Passenger
Folding
No
Folding
No
Seat Height (in/mm)
24.25 / 616
Seat Height (in/mm)
27.2 / 690.9
Number Of Seats
1
Number Of Seats
2
Detachable Passenger Seat
-
Detachable Passenger Seat
Standard
Grab Rail or Strap
-
Grab Rail or Strap
Standard
Frame
Steel
Frame
Steel
Hand Grips
Standard
Hand Grips
Standard
Foot Peg Location
Driver
Foot Peg Location
Driver and Passenger
Adjustable
No
Adjustable
-
Chain Guard
No
Chain Guard
-
Chassis Protectors
No
Chassis Protectors
-
Drive Shaft Guard
No
Drive Shaft Guard
No
Engine Case Guard
No
Engine Case Guard
Yes
Fork Guards
No
Fork Guards
Yes
Saddle Bag Guard
No
Saddle Bag Guard
No
Tank Guard
No
Tank Guard
-
Belt Guard
Yes
Belt Guard
No
Hand Guards
No
Hand Guards
No
Brush Guard
No
Brush Guard
No
Heel Guards
No
Heel Guards
No
Exhaust Guard
No
Exhaust Guard
-
Light Guard
No
Light Guard
No
Radiator Cover
No
Radiator Cover
-
Fuel Tank Cover
No
Fuel Tank Cover
-
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Top Crown
Standard
Top Crown
Standard
Stand Type
Kick
Stand Type
Kick
Handlebars
Standard
Handlebars
Standard
License Plate
Standard
License Plate
Standard
Side Cover
-
Side Cover
Yes
Digital Instrumentation
Standard
Digital Instrumentation
Standard
Tachometer
Standard
Tachometer
Standard
Trip Odometer
Standard
Trip Odometer
Standard
Speedometer
Standard
Speedometer
Standard
Clock
-
Clock
Standard
Temperature Warning Type
-
Temperature Warning Type
Gauge
Fuel Level Warning Type
-
Fuel Level Warning Type
Gauge
Warranty (Months/Condition)
24 / Limited
Warranty (Months/Condition)
24 / Limited
Battery Warranty (Months)
0
Battery Warranty (Months)
0
Paint
Standard
Paint
-
Metallic
-
Metallic
No
Headlight Mounts
Standard
Headlight Mounts
Standard
Halogen Headlight (s)
Standard
Halogen Headlight (s)
Standard
Headlight (s)
Standard
Headlight (s)
Standard
Light Type
Halogen
Light Type
Halogen
Headlight Visor
-
Headlight Visor
Standard
Folding
Yes
Folding
Yes
Handlebar Lock
Standard
Handlebar Lock
Standard
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