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Model Type
Chopper
Model Type
Scooter
MSRP
$29,900
MSRP
$2,599
Warranty
24
Warranty
24
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Chopper
Generic Type (Primary)
Scooter
Manufacturer Country
USA
Manufacturer Country
Taiwan
Introduction Year
2006
Introduction Year
-
Manufacturer Recommend Minimum Age
16
Manufacturer Recommend Minimum Age
-
Parent Company
Big Dog
Parent Company
Peirspeed
Display Name
K-9(TM)
Display Name
R50X 49cc SE
Year
2011
Year
2011
Make
Big Dog
Make
Peirspeed
Engine Brand Name
S&S
Engine Brand Name
-
Engine Type
V Twin
Engine Type
Single-Cylinder
Cylinders
2
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
2-Stroke
Cooling
Air
Cooling
Air
Valves
4
Valves
-
Valves Per Cylinder
2
Valves Per Cylinder
-
Valve Configuration
OHV - Pushrod
Valve Configuration
Reed Valve
Bore (mm/in)
104.8 / 4.13
Bore (mm/in)
-
Stroke (mm/in)
111.1 / 4.38
Stroke (mm/in)
-
Displacement (cc/ci)
1917.3 / 117
Displacement (cc/ci)
49.3 / 3
Compression Ratio
9.6:1
Compression Ratio
-
Starter
Electric
Starter
Electric / Kick
Fuel Type
Gas
Fuel Type
Gas / Oil Injected
Carburetion Brand
S & S Super G
Carburetion Brand
Mikuni
Fuel Injector
No
Fuel Injector
No
Carburetor
Yes
Carburetor
Yes
Number Of Carburetors
1
Number Of Carburetors
1
Carburetion Type
Carburetor
Carburetion Type
Carburetor
Fuel Requirements
-
Fuel Requirements
Regular
US Miles Per Gallon (Combined)
-
US Miles Per Gallon (Combined)
89
CAN Liters Per Kilometer (Combined)
-
CAN Liters Per Kilometer (Combined)
2.6
Carburetor Size (mm)
-
Carburetor Size (mm)
13
Speed Governor
-
Speed Governor
No
Transmission Type
Manual
Transmission Type
Continuously Variable (CVT)
Number Of Speeds
6
Number Of Speeds
-
Overdrive
Yes
Overdrive
-
Primary Drive (Rear Wheel)
Belt
Primary Drive (Rear Wheel)
-
Primary Drive (Engine / Transmission)
Chain
Primary Drive (Engine / Transmission)
Belt
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
60
Front Tire Speed Rating
56V
Front Tire Speed Rating
-
Front Wheel Diameter
21
Front Wheel Diameter
13
Rear Tire Width
300
Rear Tire Width
130
Rear Tire Aspect Ratio
35
Rear Tire Aspect Ratio
60
Rear Tire Speed Rating
87V
Rear Tire Speed Rating
-
Rear Wheel Diameter
18
Rear Wheel Diameter
13
Front Tire (Full Spec)
MH90-21 56V
Front Tire (Full Spec)
130/60-13
Rear Tire (Full Spec)
300/35 R18 87V
Rear Tire (Full Spec)
130/60-13
Front Tire Width
-
Front Tire Width
130
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)
8.7 / 220
Rear Brake Diameter (in/mm)
-
Rear Brake Diameter (in/mm)
7.5 / 190
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
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
Single Sided Swing Arm
Rear Adjustable Shock / Spring Pre-Load
No
Rear Adjustable Shock / Spring Pre-Load
No
Rear Adjustable Rebound Damping
No
Rear Adjustable Rebound Damping
No
Number Rear Shock Absorbers
2
Number Rear Shock Absorbers
1
Rear Suspension Material
-
Rear Suspension Material
Steel
Air Adjustable
-
Air Adjustable
No
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
9
Length (ft)
6
Wheelbase (in/mm)
82 / 2082.8
Wheelbase (in/mm)
-
Ground Clearance (in/mm)
4 / 101.6
Ground Clearance (in/mm)
-
Length (ft/ft)
9
Length (ft/ft)
6
Length (ft/in)
0
Length (ft/in)
0
Dry Weight (lbs/kg)
701 / 318
Dry Weight (lbs/kg)
209 / 94.8
GVWR (lbs/kgs)
1130 / 512.6
GVWR (lbs/kgs)
-
Fuel Capacity (gal/l)
4.4 / 16.6
Fuel Capacity (gal/l)
1.8 / 6.8
Fuel Capacity Reserve (gal/l)
0.4 / 1.5
Fuel Capacity Reserve (gal/l)
-
Engine Displacement to Weight (cc)
2.74
Engine Displacement to Weight (cc)
0.24
Width (in/mm)
-
Width (in/mm)
25 / 635
Height (in/mm)
-
Height (in/mm)
44 / 1117.6
Seat Type
One-Piece
Seat Type
Two-Piece
Adjustable
No
Adjustable
No
Seat Material
Leather
Seat Material
Vinyl
Seat Location
Driver
Seat Location
Driver and Passenger
Folding
No
Folding
No
Seat Height (in/mm)
24.25 / 616
Seat Height (in/mm)
31 / 787.4
Number Of Seats
1
Number Of Seats
2
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
Passenger
Adjustable
No
Adjustable
No
Chain Guard
No
Chain Guard
No
Chassis Protectors
No
Chassis Protectors
No
Drive Shaft Guard
No
Drive Shaft Guard
No
Engine Case Guard
No
Engine Case Guard
No
Fork Guards
No
Fork Guards
-
Saddle Bag Guard
No
Saddle Bag Guard
No
Tank Guard
No
Tank Guard
No
Belt Guard
Yes
Belt Guard
-
Hand Guards
No
Hand Guards
No
Brush Guard
No
Brush Guard
No
Heel Guards
No
Heel Guards
No
Exhaust Guard
No
Exhaust Guard
Yes
Light Guard
No
Light Guard
No
Radiator Cover
No
Radiator Cover
No
Fuel Tank Cover
No
Fuel Tank Cover
-
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Top Crown
Standard
Top Crown
-
Stand Type
Kick
Stand Type
Center
Handlebars
Standard
Handlebars
Standard
License Plate
Standard
License Plate
Standard
Body Material
-
Body Material
Plastic
Floor Board Location
-
Floor Board Location
Driver and Passenger
Side Cover
-
Side Cover
No
Lower Fairing
-
Lower Fairing
Standard
Upper Fairing
-
Upper Fairing
Standard
Digital Instrumentation
Standard
Digital Instrumentation
Standard
Tachometer
Standard
Tachometer
Standard
Trip Odometer
Standard
Trip Odometer
Standard
Speedometer
Standard
Speedometer
Standard
Clock
-
Clock
Standard
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
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
Yes
Handlebar Lock
Standard
Handlebar Lock
Standard
Power Outlet
-
Power Outlet
Standard
Underseat Storage
-
Underseat Storage
Standard
Lockable Storage
-
Lockable Storage
Standard
Rear Rack
-
Rear Rack
Standard
Helmet Locks
-
Helmet Locks
Standard
Helmet Storage
-
Helmet Storage
Standard
Glove Box / Dash Storage
-
Glove Box / Dash Storage
Standard
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