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Model Type
Chopper
Model Type
Standard
MSRP
$26,500
MSRP
$11,450
Warranty
24
Warranty
36
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Chopper
Generic Type (Primary)
Standard
Manufacturer Country
USA
Manufacturer Country
Germany
Parent Company
Big Dog
Parent Company
BMW
Display Name
Ridgeback(TM)
Display Name
R 1150 R Rockster
Year
2005
Year
2005
Make
Big Dog
Make
BMW
Manufacturer Recommend Minimum Age
-
Manufacturer Recommend Minimum Age
16
Engine Brand Name
S&S
Engine Brand Name
-
Engine Type
V Twin
Engine Type
Flat Twin
Cylinders
2
Cylinders
2
Engine Stroke
4-Stroke
Engine Stroke
4-Stroke
Cooling
Air
Cooling
Air / Oil
Valve Configuration
OHV - Pushrod
Valve Configuration
OHV
Bore (mm/in)
104.8 / 4.13
Bore (mm/in)
101 / 3.98
Stroke (mm/in)
111.1 / 4.38
Stroke (mm/in)
70.5 / 2.78
Displacement (cc/ci)
1916 / 117
Displacement (cc/ci)
1130 / 69
Compression Ratio
9.6:1
Compression Ratio
10.3:1
Starter
Electric
Starter
Electric
Fuel Type
Gas
Fuel Type
Gas
Fuel Injector
No
Fuel Injector
Yes
Carburetor
Yes
Carburetor
No
Carburetion Type
Carburetor
Carburetion Type
Fuel Injected
Horsepower (bhp/kW)
-
Horsepower (bhp/kW)
85 / 63.4
Horsepower RPM
-
Horsepower RPM
6750
Torque (Ft Lbs/Nm)
-
Torque (Ft Lbs/Nm)
71 / 96.2
Torque RPM
-
Torque RPM
5250
Valves
-
Valves
8
Valves Per Cylinder
-
Valves Per Cylinder
4
Fuel Requirements
-
Fuel Requirements
Premium
Turbocharged
-
Turbocharged
No
Supercharged
-
Supercharged
No
Transmission Type
Manual
Transmission Type
Manual
Number Of Speeds
6
Number Of Speeds
6
Overdrive
Yes
Overdrive
Yes
Primary Drive (Rear Wheel)
Belt
Primary Drive (Rear Wheel)
Shaft
Primary Drive (Engine / Transmission)
Chain
Primary Drive (Engine / Transmission)
-
Heel Toe Shifter
Standard
Heel Toe Shifter
-
Gear Ratio (1/2/3/4/5/6)
-
Gear Ratio (1/2/3/4/5/6)
2.05 / 1.6 / 1.27 / 1.04 / 0.9 / 0.8
Reverse
-
Reverse
No
Final Drive Ratio
-
Final Drive Ratio
2.82
Wheels Composition
Aluminum
Wheels Composition
Aluminum
Tube / Tubeless
Tubeless
Tube / Tubeless
Tubeless
Chromed
Yes
Chromed
-
Front Tire Aspect Ratio
90
Front Tire Aspect Ratio
70
Front Tire Speed Rating
MH
Front Tire Speed Rating
Z
Front Wheel Diameter
21
Front Wheel Diameter
17
Rear Tire Width
300
Rear Tire Width
180
Rear Tire Aspect Ratio
35
Rear Tire Aspect Ratio
55
Rear Wheel Diameter
18
Rear Wheel Diameter
17
Front Tire (Full Spec)
MH90-21
Front Tire (Full Spec)
120/70 ZR17
Rear Tire (Full Spec)
300/35 R18
Rear Tire (Full Spec)
180/55 ZR17
Front Wheel Width (in)
-
Front Wheel Width (in)
3.5
Rear Wheel Width (in)
-
Rear Wheel Width (in)
5.5
Front Tire Width
-
Front Tire Width
120
Rear Tire Speed Rating
-
Rear Tire Speed Rating
Z
Front Brake Type
Disc
Front Brake Type
Dual Disc
Rear Brake Type
Disc
Rear Brake Type
Disc
Brake Brand Name
-
Brake Brand Name
EVO
Front Brake Diameter (in/mm)
-
Front Brake Diameter (in/mm)
12.6 / 320
Rear Brake Diameter (in/mm)
-
Rear Brake Diameter (in/mm)
10.9 / 227
Front Suspension Type
Telescopic Fork
Front Suspension Type
Telescopic Fork
Front Suspension Size (in/mm)
1.6 / 41
Front Suspension Size (in/mm)
-
Front Adjustable Fork Pre-Load
No
Front Adjustable Fork Pre-Load
No
Front Adjustable Rebound Damping
No
Front Adjustable Rebound Damping
Yes
Front Central Suspension Strut
No
Front Central Suspension Strut
Yes
Steering Damper
No
Steering Damper
No
Rear Suspension Type
Rigid
Rear Suspension Type
Single 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
Yes
Number Rear Shock Absorbers
0
Number Rear Shock Absorbers
1
Air Adjustable
No
Air Adjustable
No
Front Travel (in/mm)
-
Front Travel (in/mm)
4.7 / 120
Front Suspension Brand Name
-
Front Suspension Brand Name
Telelever
Rear Travel (in/mm)
-
Rear Travel (in/mm)
5.3 / 135
Rear Suspension Brand Name
-
Rear Suspension Brand Name
Paralever
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
8.92
Length (ft)
7.12
Wheelbase (in/mm)
82 / 2082.8
Wheelbase (in/mm)
58.5 / 1486
Ground Clearance (in/mm)
4 / 101.6
Ground Clearance (in/mm)
5.4 / 138
Length (ft/ft)
8
Length (ft/ft)
7
Length (ft/in)
11
Length (ft/in)
1.4
Dry Weight (lbs/kg)
654 / 296.7
Dry Weight (lbs/kg)
483 / 219.1
GVWR (lbs/kgs)
1085 / 492.2
GVWR (lbs/kgs)
992 / 450
Fuel Capacity (gal/l)
3.4 / 12.9
Fuel Capacity (gal/l)
5.4 / 20.4
Fuel Capacity Reserve (gal/l)
0.4 / 1.5
Fuel Capacity Reserve (gal/l)
1 / 3.8
Engine Displacement to Weight (cc)
2.93
Engine Displacement to Weight (cc)
2.34
Width (in/mm)
-
Width (in/mm)
36.2 / 920
Wet Weight (lbs/kg)
-
Wet Weight (lbs/kg)
527 / 239
Seat Type
One-Piece
Seat Type
One-Piece
Adjustable
No
Adjustable
Yes
Seat Material
Leather
Seat Material
Vinyl
Seat Location
Driver
Seat Location
Driver
Folding
No
Folding
No
Seat Height (in/mm)
24.5 / 622.3
Seat Height (in/mm)
32.9 / 836
Number Of Seats
1
Number Of Seats
1
Grab Rail or Strap
-
Grab Rail or Strap
Standard
Frame
Steel
Frame
Aluminum / 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
No
Engine Case Guard
No
Engine Case Guard
-
Fork Guards
No
Fork Guards
No
Saddle Bag Guard
No
Saddle Bag Guard
-
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
-
Exhaust Guard
No
Exhaust Guard
-
Light Guard
No
Light Guard
No
Side Cover
Yes
Side Cover
-
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Top Crown
Standard
Top Crown
-
Stand Type
Kick
Stand Type
Center / Kick
Handlebars
Standard
Handlebars
Standard
License Plate
Standard
License Plate
Standard
Body Material
-
Body Material
Plastic
Exterior Covers
-
Exterior Covers
Standard
Digital Instrumentation
Standard
Digital Instrumentation
Standard
Tachometer
Standard
Tachometer
Standard
Trip Odometer
Standard
Trip Odometer
Standard
Trip Computer
Standard
Trip Computer
-
Speedometer
Standard
Speedometer
Standard
Clock
-
Clock
Standard
Fuel Level Warning Type
-
Fuel Level Warning Type
Light
Warranty (Months/Condition)
24 / Limited
Warranty (Months/Condition)
36 / Limited
Battery Warranty (Months)
0
Battery Warranty (Months)
0
Basic Warranty (Miles)
-
Basic Warranty (Miles)
36000
Paint
Standard
Paint
Standard
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
Folding
Yes
Folding
-
Rearview Mirrors
-
Rearview Mirrors
Standard
Handlebar Lock
Standard
Handlebar Lock
Standard
Power Outlet
-
Power Outlet
Standard
Adjustable Levers
-
Adjustable Levers
Standard
Satellite
-
Satellite
No
Underseat Storage
-
Underseat Storage
Standard
Rear Rack
-
Rear Rack
Standard
Helmet Locks
-
Helmet Locks
Standard
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