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Year
2008
Year
2008
Parent Company
KTM
Parent Company
KTM
Generic Type (Primary)
On-Off Road
Generic Type (Primary)
Youth
Make
KTM
Make
KTM
Display Name
SMC 690
Display Name
SX 50 Junior
Manufacturer Country
Austria
Manufacturer Country
Austria
Introduction Year
2004
Introduction Year
-
Model Type
-
Model Type
Youth
MSRP
-
MSRP
$3,298
Warranty
-
Warranty
1
Insurance
-
Insurance
Finance
-
Finance
Manufacturer Recommend Minimum Age
-
Manufacturer Recommend Minimum Age
6
Price
Standard
Price
-
MSRP
$8,998
MSRP
-
Warranty (Months/Condition)
6 / Limited
Warranty (Months/Condition)
1 / Limited
Battery Warranty (Months)
-
Battery Warranty (Months)
0
Engine
Standard
Engine
-
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
2-Stroke
Horsepower RPM
7500
Horsepower RPM
-
Torque RPM
6000
Torque RPM
-
Cooling
Liquid
Cooling
Liquid
Valves
4
Valves
-
Valves Per Cylinder
4
Valves Per Cylinder
-
Valve Configuration
OHV
Valve Configuration
Reed Valve
Compression Ratio
11.8:1
Compression Ratio
-
Starter
Electric
Starter
Kick
Fuel Type
Gas
Fuel Type
Gas / Oil Premix
Fuel Requirements
Regular
Fuel Requirements
Regular
Carburetion
Standard
Carburetion
-
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
Carburetion Type
Carburetor
Carburetion Type
Carburetor
Horsepower (bhp)
62.4
Horsepower (bhp)
-
Torque (Nm)
64
Torque (Nm)
-
Bore (mm/in)
102 / 4.02
Bore (mm/in)
39.5 / 1.56
Stroke (in/mm)
3.15 / 80
Stroke (in/mm)
-
Displacement (cc/ci)
654 / 39.9
Displacement (cc/ci)
49 / 3
Stroke (mm/in)
-
Stroke (mm/in)
40 / 1.58
Carburetor Size (mm)
-
Carburetor Size (mm)
14
Transmission
Standard
Transmission
-
Transmission Type
Manual
Transmission Type
Automatic
Number Of Speeds
6
Number Of Speeds
1
Reverse
No
Reverse
No
Primary Drive (Rear Wheel)
Chain
Primary Drive (Rear Wheel)
Chain
Final Drive Ratio
-
Final Drive Ratio
4.36
Dimensions
Standard
Dimensions
-
Weight
Standard
Weight
-
Capacities
Standard
Capacities
-
Performance
Standard
Performance
-
Wheelbase (in/mm)
58.3 / 1480
Wheelbase (in/mm)
-
Ground Clearance (in/mm)
11.4 / 290
Ground Clearance (in/mm)
-
Dry Weight (lbs/kg)
304.4 / 139.5
Dry Weight (lbs/kg)
-
Fuel Capacity (gal/l)
3.2 / 12
Fuel Capacity (gal/l)
-
Fuel Capacity Reserve (gal/l)
0.7 / 2.5
Fuel Capacity Reserve (gal/l)
-
Engine Displacement to Weight (cc)
2.14
Engine Displacement to Weight (cc)
-
Construction
Standard
Construction
-
Frame
Chromium Molybdenum
Frame
Steel
Body Material
Plastic
Body Material
Plastic
Foot Pegs
Standard
Foot Pegs
-
Foot Peg Location
Driver and Passenger
Foot Peg Location
Driver
Hand Grips
Standard
Hand Grips
Standard
Handlebars
Standard
Handlebars
Standard
Exterior Guards
Standard
Exterior Guards
-
Belt Guard
No
Belt Guard
No
Brush Guard
No
Brush Guard
No
Chain Guard
Yes
Chain Guard
Yes
Drive Shaft Guard
No
Drive Shaft Guard
No
Exhaust Guard
Yes
Exhaust Guard
Yes
Fork Guards
Yes
Fork Guards
No
Hand Guards
Yes
Hand Guards
-
Light Guard
No
Light Guard
No
Saddle Bag Guard
No
Saddle Bag Guard
No
Exterior Covers
Standard
Exterior Covers
-
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Stand
Standard
Stand
-
Stand Type
Kick
Stand Type
Kick
Side Cover
-
Side Cover
No
Fuel Tank Cover
-
Fuel Tank Cover
No
Top Crown
-
Top Crown
Standard
Steering Control
Handlebar
Steering Control
Handlebar
Front Suspension Type
Inverted Fork
Front Suspension Type
Telescopic Fork
Front Adjustable Rebound Damping
Yes
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 Suspension Material
Aluminum
Rear Suspension Material
Aluminum
Rear Adjustable Rebound Damping
Yes
Rear Adjustable Rebound Damping
Yes
Number Rear Shock Absorbers
1
Number Rear Shock Absorbers
1
Air Adjustable
No
Air Adjustable
No
Front Suspension Size (in/mm)
1.9 / 48
Front Suspension Size (in/mm)
1.3 / 32
Front Travel (in/mm)
10.8 / 275
Front Travel (in/mm)
5.5 / 140
Rear Travel (in/mm)
10.4 / 265
Rear Travel (in/mm)
8.1 / 205
Front Adjustable Fork Pre-Load
-
Front Adjustable Fork Pre-Load
Yes
Front Suspension Brand Name
-
Front Suspension Brand Name
Marzocchi
Rear Adjustable Shock / Spring Pre-Load
-
Rear Adjustable Shock / Spring Pre-Load
Yes
Wheels
Standard
Wheels
-
Wheels Composition
Aluminum
Wheels Composition
-
Chromed
No
Chromed
-
Tube / Tubeless
Tubed
Tube / Tubeless
-
Tires
Standard
Tires
-
Front Tire Width
120
Front Tire Width
-
Front Tire Aspect Ratio
70
Front Tire Aspect Ratio
-
Front Wheel Diameter
17
Front Wheel Diameter
-
Rear Tire Width
160
Rear Tire Width
-
Rear Tire Aspect Ratio
60
Rear Tire Aspect Ratio
-
Rear Wheel Diameter
17
Rear Wheel Diameter
-
Front Wheel Width (in)
3.5
Front Wheel Width (in)
-
Rear Wheel Width (in)
5
Rear Wheel Width (in)
-
Front Tire (Full Spec)
120/70 R17
Front Tire (Full Spec)
-
Rear Tire (Full Spec)
160/60 R17
Rear Tire (Full Spec)
-
Brakes
Standard
Brakes
-
Brake Brand Name
Brembo®
Brake Brand Name
-
Front Brake Type
Disc
Front Brake Type
Disc
Rear Brake Type
Disc
Rear Brake Type
Drum
Front Brake Diameter (in/mm)
12.6 / 320
Front Brake Diameter (in/mm)
6.3 / 160
Rear Brake Diameter (in/mm)
9.5 / 240
Rear Brake Diameter (in/mm)
3.5 / 90
Seat Type
One-Piece
Seat Type
One-Piece
Seat Location
Driver and Passenger
Seat Location
Driver
Seat Material
Vinyl
Seat Material
Vinyl
Adjustable
No
Adjustable
Yes
Folding
No
Folding
No
Seat Specifications
Standard
Seat Specifications
-
Number Of Seats
2
Number Of Seats
1
Grab Rail or Strap
Standard
Grab Rail or Strap
-
Seat Height (in/mm)
35.4 / 900
Seat Height (in/mm)
23 / 585
Digital Instrumentation
Standard
Digital Instrumentation
-
Speedometer
Standard
Speedometer
-
Tachometer
Optional
Tachometer
-
Trip Odometer
Standard
Trip Odometer
-
Lap Timer
Optional
Lap Timer
-
Type
Halogen
Type
-
Headlight (s)
Standard
Headlight (s)
-
Halogen Headlight (s)
Standard
Halogen Headlight (s)
-
Rearview Mirrors
Standard
Rearview Mirrors
-
Paint
Standard
Paint
-
Metallic
No
Metallic
-
Decal Kit
Standard
Decal Kit
-
Wheels Composition
-
Wheels Composition
Aluminum
Tube / Tubeless
-
Tube / Tubeless
Tubed
Front Wheel Width (in)
-
Front Wheel Width (in)
1.6
Rear Wheel Width (in)
-
Rear Wheel Width (in)
1.6
Front Wheel Diameter
-
Front Wheel Diameter
10
Rear Wheel Diameter
-
Rear Wheel Diameter
10
Front Tire (Full Spec)
-
Front Tire (Full Spec)
2.50 X 10
Rear Tire (Full Spec)
-
Rear Tire (Full Spec)
2.50 X 10
Wheelbase (in/mm)
-
Wheelbase (in/mm)
35.8 / 910
Ground Clearance (in/mm)
-
Ground Clearance (in/mm)
8.7 / 220
Dry Weight (lbs/kg)
-
Dry Weight (lbs/kg)
82.9 / 37.6
Fuel Capacity (gal/l)
-
Fuel Capacity (gal/l)
0.5 / 1.8
Engine Displacement to Weight (cc)
-
Engine Displacement to Weight (cc)
0.59
Metallic
-
Metallic
No
Decal Kit
-
Decal Kit
Standard
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