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Select motorcycles to compare their specifications
Model Type
Track
Model Type
Youth
MSRP
$7,498
MSRP
$2,998
Warranty
1
Warranty
1
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Track
Generic Type (Primary)
Youth
Manufacturer Country
Austria
Manufacturer Country
Austria
Introduction Year
2004
Introduction Year
-
Parent Company
KTM
Parent Company
KTM
Display Name
SMR 450
Display Name
SX 50 Pro Junior LC
Year
2005
Year
2005
Make
KTM
Make
KTM
Manufacturer Recommend Minimum Age
-
Manufacturer Recommend Minimum Age
5
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
2-Stroke
Cooling
Liquid
Cooling
Liquid
Valves
4
Valves
-
Valves Per Cylinder
4
Valves Per Cylinder
-
Valve Configuration
SOHC
Valve Configuration
Reed Valve
Bore (mm/in)
95 / 3.74
Bore (mm/in)
39.5 / 1.56
Stroke (mm/in)
63.4 / 2.5
Stroke (mm/in)
40 / 1.58
Displacement (cc/ci)
449.4 / 27.4
Displacement (cc/ci)
49 / 3
Compression Ratio
12:1
Compression Ratio
-
Starter
Kick
Starter
Kick
Fuel Requirements
Regular
Fuel Requirements
Regular
Fuel Type
Gas
Fuel Type
Gas / Oil Premix
Carburetion Brand
Keihin
Carburetion Brand
Dell'Orto
Fuel Injector
No
Fuel Injector
No
Carburetor
Yes
Carburetor
Yes
Number Of Carburetors
1
Number Of Carburetors
1
Carburetor Size (mm)
41
Carburetor Size (mm)
14
Carburetion Type
Carburetor
Carburetion Type
Carburetor
Transmission Type
Manual
Transmission Type
Automatic
Number Of Speeds
6
Number Of Speeds
-
Primary Drive (Rear Wheel)
Chain
Primary Drive (Rear Wheel)
Chain
Reverse
No
Reverse
No
Tube / Tubeless
Tubed
Tube / Tubeless
Tubed
Front Wheel Width (in)
3.5
Front Wheel Width (in)
1.6
Rear Wheel Width (in)
5
Rear Wheel Width (in)
1.6
Front Tire Width
120
Front Tire Width
65
Front Tire Aspect Ratio
75
Front Tire Aspect Ratio
-
Front Wheel Diameter
17
Front Wheel Diameter
10
Rear Tire Width
165
Rear Tire Width
70
Rear Tire Aspect Ratio
55
Rear Tire Aspect Ratio
-
Rear Wheel Diameter
17
Rear Wheel Diameter
10
Front Tire (Full Spec)
120/75 R17
Front Tire (Full Spec)
2.50 X 10
Rear Tire (Full Spec)
165/55 R17
Rear Tire (Full Spec)
2.75 X 10
Wheels Composition
-
Wheels Composition
Aluminum
Front Brake Type
Disc
Front Brake Type
Disc
Front Brake Diameter (in/mm)
12.2 / 310
Front Brake Diameter (in/mm)
6.3 / 160
Rear Brake Type
Disc
Rear Brake Type
Drum
Rear Brake Diameter (in/mm)
8.7 / 220
Rear Brake Diameter (in/mm)
3.5 / 90
Front Suspension Type
Inverted Fork
Front Suspension Type
Telescopic Fork
Front Suspension Size (in/mm)
1.9 / 48
Front Suspension Size (in/mm)
1.3 / 32
Front Travel (in/mm)
11.2 / 285
Front Travel (in/mm)
5.5 / 140
Front Adjustable Rebound Damping
Yes
Front Adjustable Rebound Damping
No
Front Central Suspension Strut
No
Front Central Suspension Strut
No
Front Suspension Brand Name
WP
Front Suspension Brand Name
Marzocchi
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Rear Travel (in/mm)
12.2 / 310
Rear Travel (in/mm)
8 / 205
Rear Adjustable Rebound Damping
Yes
Rear Adjustable Rebound Damping
No
Number Rear Shock Absorbers
1
Number Rear Shock Absorbers
1
Rear Suspension Brand Name
WP
Rear Suspension Brand Name
-
Air Adjustable
No
Air Adjustable
No
Rear Suspension Material
-
Rear Suspension Material
Aluminum
Steering Control
Handlebar
Steering Control
Handlebar
Wheelbase (in/mm)
58.4 / 1481
Wheelbase (in/mm)
35.8 / 910
Ground Clearance (in/mm)
11.2 / 310
Ground Clearance (in/mm)
8.7 / 220
Dry Weight (lbs/kg)
239.2 / 108.5
Dry Weight (lbs/kg)
82.9 / 37.6
Fuel Capacity (gal/l)
1.9 / 7
Fuel Capacity (gal/l)
0.5 / 1.8
Engine Displacement to Weight (cc)
1.88
Engine Displacement to Weight (cc)
0.59
Seat Type
One-Piece
Seat Type
One-Piece
Adjustable
No
Adjustable
Yes
Seat Material
Vinyl
Seat Material
Vinyl
Seat Location
Driver
Seat Location
Driver
Folding
No
Folding
No
Seat Height (in/mm)
33.7 / 855
Seat Height (in/mm)
23 / 585
Number Of Seats
1
Number Of Seats
1
Frame
Chromium Molybdenum
Frame
Steel
Body Material
Plastic
Body Material
Plastic
Hand Grips
Standard
Hand Grips
Standard
Foot Peg Location
Driver
Foot Peg Location
Driver
Adjustable
No
Adjustable
-
Drive Shaft Guard
No
Drive Shaft Guard
No
Fork Guards
Yes
Fork Guards
No
Saddle Bag Guard
No
Saddle Bag Guard
No
Belt Guard
No
Belt Guard
No
Hand Guards
Yes
Hand Guards
-
Brush Guard
No
Brush Guard
No
Light Guard
No
Light Guard
No
Exterior Covers
Standard
Exterior Covers
Standard
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
Warranty (Months/Condition)
1 / Limited
Warranty (Months/Condition)
1 / Limited
Battery Warranty (Months)
0
Battery Warranty (Months)
0
Metallic
No
Metallic
No
Decal Kit
Standard
Decal Kit
-