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Model Type
Youth
Model Type
Sport
MSRP
$1,149
MSRP
$11,299
Warranty
6
Warranty
12
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Youth
Generic Type (Primary)
Sport
Manufacturer Country
Japan
Manufacturer Country
Japan
Parent Company
Kawasaki
Parent Company
Kawasaki
Display Name
KDX(TM) 50
Display Name
Ninja(R) ZX-12R
Year
2005
Year
2005
Make
Kawasaki
Make
Kawasaki
Engine Type
Single-Cylinder
Engine Type
Horizontal In-line
Cylinders
1
Cylinders
4
Engine Stroke
2-Stroke
Engine Stroke
4-Stroke
Cooling
Air
Cooling
Liquid
Valve Configuration
Reed Valve
Valve Configuration
DOHC
Bore (mm/in)
41 / 1.61
Bore (mm/in)
83 / 3.27
Stroke (mm/in)
37.9 / 1.5
Stroke (mm/in)
55.4 / 2.18
Displacement (cc/ci)
49 / 3
Displacement (cc/ci)
1198 / 73.1
Compression Ratio
5.9:1
Compression Ratio
12.2:1
Starter
Kick
Starter
Electric
Fuel Requirements
Regular
Fuel Requirements
-
Fuel Type
Gas / Oil Injected
Fuel Type
Gas
Carburetion Brand
Mikuni
Carburetion Brand
Denso
Fuel Injector
No
Fuel Injector
Yes
Carburetor
Yes
Carburetor
No
Number Of Carburetors
1
Number Of Carburetors
-
Carburetor Size (mm)
12
Carburetor Size (mm)
-
Carburetion Type
Carburetor
Carburetion Type
Fuel Injected
Speed Governor
Yes
Speed Governor
-
Valves
-
Valves
16
Valves Per Cylinder
-
Valves Per Cylinder
4
Fuel Injector Size (mm)
-
Fuel Injector Size (mm)
46
Transmission Type
Manual / Automatic Clutch
Transmission Type
Manual
Number Of Speeds
1
Number Of Speeds
6
Overdrive
No
Overdrive
No
Primary Drive (Rear Wheel)
Chain
Primary Drive (Rear Wheel)
Chain
Reverse
No
Reverse
No
Adjustable Throttle
Standard
Adjustable Throttle
-
Gear Ratio (1/2/3/4/5/6)
-
Gear Ratio (1/2/3/4/5/6)
2.43 / 1.82 / 1.44 / 1.25 / 1.13 / 1.03
Final Drive Ratio
-
Final Drive Ratio
2.56
Wheels Composition
Steel
Wheels Composition
Aluminum
Tube / Tubeless
Tubed
Tube / Tubeless
Tubeless
Front Wheel Width (in)
2.5
Front Wheel Width (in)
-
Rear Wheel Width (in)
2.5
Rear Wheel Width (in)
-
Chromed
No
Chromed
-
Front Wheel Diameter
10
Front Wheel Diameter
17
Rear Wheel Diameter
10
Rear Wheel Diameter
17
Front Tire (Full Spec)
2.5 X 10-2pr
Front Tire (Full Spec)
120/70 ZR17
Rear Tire (Full Spec)
2.5 X 10-2pr
Rear Tire (Full Spec)
200/50 ZR17
Front Tire Width
-
Front Tire Width
120
Front Tire Aspect Ratio
-
Front Tire Aspect Ratio
70
Front Tire Speed Rating
-
Front Tire Speed Rating
Z
Rear Tire Width
-
Rear Tire Width
200
Rear Tire Aspect Ratio
-
Rear Tire Aspect Ratio
50
Rear Tire Speed Rating
-
Rear Tire Speed Rating
Z
Front Brake Type
Drum
Front Brake Type
Dual Disc
Rear Brake Type
Drum
Rear Brake Type
Disc
Front Brake Diameter (in/mm)
-
Front Brake Diameter (in/mm)
12.6 / 320
Rear Brake Diameter (in/mm)
-
Rear Brake Diameter (in/mm)
9 / 230
Front Suspension Type
Telescopic Fork
Front Suspension Type
Inverted Fork
Front Travel (in/mm)
2.8 / 71.1
Front Travel (in/mm)
4.7 / 119.4
Front Adjustable Fork Pre-Load
No
Front Adjustable Fork Pre-Load
Yes
Front Adjustable Rebound Damping
No
Front Adjustable Rebound Damping
Yes
Front Central Suspension Strut
No
Front Central Suspension Strut
No
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Rear Travel (in/mm)
2 / 50.8
Rear Travel (in/mm)
5.5 / 139.7
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
2
Number Rear Shock Absorbers
1
Rear Suspension Material
Steel
Rear Suspension Material
Aluminum
Air Adjustable
No
Air Adjustable
No
Front Suspension Size (in/mm)
-
Front Suspension Size (in/mm)
1.7 / 43
Steering Damper
-
Steering Damper
No
Rear Suspension Brand Name
-
Rear Suspension Brand Name
UNI-TRAK(R)
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
4.08
Length (ft)
6.84
Width (in/mm)
23.4 / 594.4
Width (in/mm)
29.1 / 739.1
Height (in/mm)
28.7 / 729
Height (in/mm)
47.2 / 1198.9
Wheelbase (in/mm)
33.9 / 860
Wheelbase (in/mm)
57.1 / 1450.3
Ground Clearance (in/mm)
4.5 / 114.3
Ground Clearance (in/mm)
4.7 / 119.4
Length (ft/ft)
4
Length (ft/ft)
6
Length (ft/in)
1
Length (ft/in)
10.1
Dry Weight (lbs/kg)
84 / 38.1
Dry Weight (lbs/kg)
463 / 210
Fuel Capacity (gal/l)
0.5 / 2
Fuel Capacity (gal/l)
5 / 18.9
Engine Displacement to Weight (cc)
0.58
Engine Displacement to Weight (cc)
2.59
Seat Type
One-Piece
Seat Type
Two-Piece
Adjustable
Yes
Adjustable
No
Seat Material
Vinyl
Seat Material
Vinyl
Seat Location
Driver
Seat Location
Driver and Passenger
Folding
No
Folding
No
Seat Height (in/mm)
18.9 / 480.1
Seat Height (in/mm)
32.3 / 820.4
Number Of Seats
1
Number Of Seats
2
Backrest Logo Plate
No
Backrest Logo Plate
-
Seat Tail Cover
-
Seat Tail Cover
Standard
Grab Rail or Strap
-
Grab Rail or Strap
Standard
Frame
Steel
Frame
Aluminum
Body Material
Plastic
Body Material
Plastic
Hand Grips
Standard
Hand Grips
Standard
Foot Peg Location
Driver
Foot Peg Location
Driver and Passenger
Adjustable
No
Adjustable
No
Drive Shaft Guard
No
Drive Shaft Guard
No
Fork Guards
No
Fork Guards
No
Saddle Bag Guard
No
Saddle Bag Guard
No
Belt Guard
No
Belt Guard
No
Light Guard
No
Light Guard
No
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
-
Stand Type
Kick
Stand Type
Kick
Handlebars
Standard
Handlebars
Standard
Hand Guards
-
Hand Guards
No
Brush Guard
-
Brush Guard
No
Heel Guards
-
Heel Guards
No
Exterior Covers
-
Exterior Covers
Standard
Top Crown
-
Top Crown
Standard
Lower Fairing
-
Lower Fairing
Standard
Spoiler
-
Spoiler
Standard
Upper Fairing
-
Upper Fairing
Standard
License Plate
-
License Plate
Standard
Warranty (Months)
6
Warranty (Months)
-
Battery Warranty (Months)
0
Battery Warranty (Months)
0
Warranty (Months/Condition)
-
Warranty (Months/Condition)
12 / Limited
Metallic
No
Metallic
Yes
Digital Instrumentation
-
Digital Instrumentation
Standard
Clock
-
Clock
Standard
Tachometer
-
Tachometer
Standard
Trip Odometer
-
Trip Odometer
Standard
Lap Timer
-
Lap Timer
Standard
Shift Light Type
-
Shift Light Type
Adjustable
Speedometer
-
Speedometer
Standard
Temperature Warning Type
-
Temperature Warning Type
Gauge
Fuel Level Warning Type
-
Fuel Level Warning Type
Light
Windshield Mounts
-
Windshield Mounts
Standard
Folding
-
Folding
Yes
Windshield Lowers
-
Windshield Lowers
No
Height Adjustable
-
Height Adjustable
No
Height
-
Height
Low
Underseat Storage
-
Underseat Storage
Standard
Lockable Storage
-
Lockable Storage
Standard
Halogen Headlight (s)
-
Halogen Headlight (s)
Standard
Headlight (s)
-
Headlight (s)
Standard
Light Type
-
Light Type
Halogen
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