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Model Type
Scooter
Model Type
Cruiser
MSRP
$1,599
MSRP
$6,999
Warranty
24
Warranty
24
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Scooter
Generic Type (Primary)
Cruiser
Manufacturer Country
South Korea
Manufacturer Country
South Korea
Manufacturer Recommend Minimum Age
16
Manufacturer Recommend Minimum Age
-
Parent Company
Hyosung
Parent Company
Hyosung
Display Name
Sense SD50
Display Name
ST7
Year
2009
Year
2016
Make
Hyosung
Make
Hyosung
Introduction Year
-
Introduction Year
2010
Photo Gallery
-
Photo Gallery
Standard
Engine Type
Single-Cylinder
Engine Type
V Twin
Cylinders
1
Cylinders
2
Engine Stroke
2-Stroke
Engine Stroke
4-Stroke
Horsepower (bhp/kW)
3.5 / 2.6
Horsepower (bhp/kW)
61.6 / 46
Horsepower RPM
6800
Horsepower RPM
8000
Torque (Ft Lbs/Nm)
2.8 / 3.8
Torque (Ft Lbs/Nm)
42.3 / 57.3
Torque RPM
6500
Torque RPM
7000
Cooling
Air
Cooling
Liquid
Valve Configuration
Reed Valve
Valve Configuration
DOHC
Bore (mm/in)
41 / 1.61
Bore (mm/in)
81.5 / 3.21
Stroke (mm/in)
37.4 / 1.47
Stroke (mm/in)
65 / 2.56
Displacement (cc/ci)
49 / 3
Displacement (cc/ci)
678.2 / 41.4
Compression Ratio
7.2:1
Compression Ratio
11.5:1
Starter
Electric / Kick
Starter
Electric
Fuel Requirements
Regular
Fuel Requirements
Regular
Fuel Type
Gas / Oil Injected
Fuel Type
Gas
Carburetion Brand
Mikuni
Carburetion Brand
-
Fuel Injector
No
Fuel Injector
Yes
Carburetor
Yes
Carburetor
No
Number Of Carburetors
1
Number Of Carburetors
-
Carburetor Size (mm)
14
Carburetor Size (mm)
-
Carburetion Type
Carburetor
Carburetion Type
Fuel Injected
Speed Governor
No
Speed Governor
-
Valves
-
Valves
8
Valves Per Cylinder
-
Valves Per Cylinder
4
Transmission Type
Continuously Variable (CVT)
Transmission Type
Manual
Primary Drive (Engine / Transmission)
Belt
Primary Drive (Engine / Transmission)
-
Reverse
No
Reverse
No
Number Of Speeds
-
Number Of Speeds
5
Overdrive
-
Overdrive
Yes
Primary Drive (Rear Wheel)
-
Primary Drive (Rear Wheel)
Belt
Chromed
No
Chromed
No
Front Tire Width
110
Front Tire Width
120
Front Tire Aspect Ratio
70
Front Tire Aspect Ratio
80
Front Tire Speed Rating
47J
Front Tire Speed Rating
H
Front Wheel Diameter
12
Front Wheel Diameter
16
Rear Tire Width
120
Rear Tire Width
170
Rear Tire Aspect Ratio
70
Rear Tire Aspect Ratio
80
Rear Tire Speed Rating
51J
Rear Tire Speed Rating
H
Rear Wheel Diameter
12
Rear Wheel Diameter
15
Front Tire (Full Spec)
110/70-12 47J
Front Tire (Full Spec)
120/80 R16 60H
Rear Tire (Full Spec)
120/70-12 51J
Rear Tire (Full Spec)
170/80 R15 77H
Wheels Composition
-
Wheels Composition
Aluminum
Front Brake Type
Disc
Front Brake Type
Hydraulic Disc
Rear Brake Type
Drum
Rear Brake Type
Hydraulic Disc
Front Brake Diameter (in/mm)
-
Front Brake Diameter (in/mm)
11.8 / 300
Rear Brake Diameter (in/mm)
-
Rear Brake Diameter (in/mm)
10.6 / 270
Front Suspension Type
Telescopic Fork
Front Suspension Type
Telescopic Fork
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
Single Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Rebound Damping
No
Rear Adjustable Rebound Damping
No
Number Rear Shock Absorbers
1
Number Rear Shock Absorbers
2
Air Adjustable
No
Air Adjustable
No
Front Suspension Size (in/mm)
-
Front Suspension Size (in/mm)
1.6 / 41
Rear Suspension Material
-
Rear Suspension Material
Steel
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
6.03
Length (ft)
8.1
Width (in/mm)
25 / 635
Width (in/mm)
37.8 / 960.1
Height (in/mm)
43.7 / 1110
Height (in/mm)
44.7 / 1135.4
Wheelbase (in/mm)
50.6 / 1285.2
Wheelbase (in/mm)
66.5 / 1689.1
Ground Clearance (in/mm)
5.5 / 139.7
Ground Clearance (in/mm)
6.1 / 155
Length (ft/ft)
6
Length (ft/ft)
8
Length (ft/in)
0.4
Length (ft/in)
1.2
Dry Weight (lbs/kg)
194 / 88
Dry Weight (lbs/kg)
-
Fuel Capacity (gal/l)
1.3 / 4.8
Fuel Capacity (gal/l)
4.5 / 17
Engine Displacement to Weight (cc)
0.25
Engine Displacement to Weight (cc)
1.34
Wet Weight (lbs/kg)
-
Wet Weight (lbs/kg)
538 / 244
Seat Type
One-Piece
Seat Type
Two-Piece
Adjustable
No
Adjustable
No
Seat Material
Vinyl
Seat Material
Vinyl
Seat Location
Driver and Passenger
Seat Location
Driver and Passenger
Folding
No
Folding
No
Seat Height (in/mm)
29 / 736.6
Seat Height (in/mm)
26.6 / 675.6
Number Of Seats
2
Number Of Seats
2
Grab Rail or Strap
Standard
Grab Rail or Strap
Standard
Detachable Passenger Seat
-
Detachable Passenger Seat
Standard
Frame
Steel
Frame
Steel
Body Material
Plastic
Body Material
-
Floor Board Location
Driver
Floor Board Location
-
Hand Grips
Standard
Hand Grips
Standard
Foot Peg Location
Passenger
Foot Peg Location
Driver and Passenger
Chain Guard
No
Chain Guard
-
Chassis Protectors
No
Chassis Protectors
-
Drive Shaft Guard
No
Drive Shaft Guard
No
Engine Case Guard
No
Engine Case Guard
Yes
Saddle Bag Guard
No
Saddle Bag Guard
No
Tank Guard
No
Tank Guard
-
Hand Guards
No
Hand Guards
No
Brush Guard
No
Brush Guard
No
Heel Guards
No
Heel Guards
No
Exhaust Guard
Yes
Exhaust Guard
-
Light Guard
No
Light Guard
No
Side Cover
No
Side Cover
Yes
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Stand Type
Center
Stand Type
Kick
Lower Fairing
Standard
Lower Fairing
-
Handlebars
Standard
Handlebars
Standard
License Plate
Standard
License Plate
Standard
Fork Guards
-
Fork Guards
Yes
Belt Guard
-
Belt Guard
No
Top Crown
-
Top Crown
Standard
Speedometer
Standard
Speedometer
Standard
Fuel Level Warning Type
Gauge
Fuel Level Warning Type
Gauge
Digital Instrumentation
-
Digital Instrumentation
Standard
Clock
-
Clock
Standard
Tachometer
-
Tachometer
Standard
Trip Odometer
-
Trip Odometer
Standard
Temperature Warning Type
-
Temperature Warning Type
Gauge
Warranty (Months/Condition)
24 / Limited
Warranty (Months/Condition)
24 / Limited
Battery Warranty (Months)
0
Battery Warranty (Months)
0
Metallic
No
Metallic
No
Underseat Storage
Standard
Underseat Storage
-
Lockable Storage
Standard
Lockable Storage
-
Rear Rack
Standard
Rear Rack
-
Helmet Storage
Standard
Helmet Storage
-
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
Headlight Visor
-
Headlight Visor
Standard
Folding
Yes
Folding
Yes
Handlebar Lock
-
Handlebar Lock
Standard
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