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Model Type
Scooter
Model Type
Scooter
MSRP
$1,899
MSRP
$2,699
Warranty
24
Warranty
24
Insurance
Insurance
Finance
Finance
Generic Type (Primary)
Scooter
Generic Type (Primary)
Scooter
Manufacturer Country
South Korea
Manufacturer Country
Taiwan
Manufacturer Recommend Minimum Age
16
Manufacturer Recommend Minimum Age
-
Parent Company
Hyosung
Parent Company
Peirspeed
Display Name
Rally SF50
Display Name
Laser R9i 151cc
Year
2009
Year
2009
Make
Hyosung
Make
Peirspeed
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
2-Stroke
Engine Stroke
4-Stroke
Horsepower (bhp/kW)
3.5 / 2.6
Horsepower (bhp/kW)
10 / 7.5
Horsepower RPM
6800
Horsepower RPM
7500
Torque (Ft Lbs/Nm)
2.8 / 3.8
Torque (Ft Lbs/Nm)
-
Torque RPM
6500
Torque RPM
-
Cooling
Air
Cooling
Air
Valve Configuration
Reed Valve
Valve Configuration
OHV
Bore (mm/in)
41 / 1.61
Bore (mm/in)
-
Stroke (mm/in)
37.4 / 1.47
Stroke (mm/in)
-
Displacement (cc/ci)
49 / 3
Displacement (cc/ci)
151.1 / 9.2
Compression Ratio
7.2:1
Compression Ratio
-
Starter
Electric / Kick
Starter
Electric / Kick
Fuel Requirements
Regular
Fuel Requirements
Regular
Fuel Type
Gas / Oil Injected
Fuel Type
Gas
Carburetion Brand
Mikuni
Carburetion Brand
Mikuni
Fuel Injector
No
Fuel Injector
No
Carburetor
Yes
Carburetor
Yes
Number Of Carburetors
1
Number Of Carburetors
1
Carburetor Size (mm)
14
Carburetor Size (mm)
-
Carburetion Type
Carburetor
Carburetion Type
Carburetor
Speed Governor
No
Speed Governor
No
US Miles Per Gallon (Combined)
-
US Miles Per Gallon (Combined)
80
CAN Liters Per Kilometer (Combined)
-
CAN Liters Per Kilometer (Combined)
2.9
Transmission Type
Continuously Variable (CVT)
Transmission Type
Continuously Variable (CVT)
Primary Drive (Engine / Transmission)
Belt
Primary Drive (Engine / Transmission)
Belt
Reverse
No
Reverse
No
Wheels Composition
Aluminum
Wheels Composition
Aluminum
Chromed
No
Chromed
No
Front Tire Width
120
Front Tire Width
130
Front Tire Aspect Ratio
90
Front Tire Aspect Ratio
60
Front Tire Speed Rating
66J
Front Tire Speed Rating
-
Front Wheel Diameter
10
Front Wheel Diameter
13
Rear Tire Width
130
Rear Tire Width
130
Rear Tire Aspect Ratio
90
Rear Tire Aspect Ratio
60
Rear Tire Speed Rating
70J
Rear Tire Speed Rating
-
Rear Wheel Diameter
10
Rear Wheel Diameter
13
Front Tire (Full Spec)
120/90-10 66J
Front Tire (Full Spec)
130/60-13
Rear Tire (Full Spec)
130/90-10 70J
Rear Tire (Full Spec)
130/60-13
Front Brake Type
Disc
Front Brake Type
Hydraulic Disc
Front Brake Diameter (in/mm)
6.4 / 162
Front Brake Diameter (in/mm)
7.5 / 190
Rear Brake Type
Drum
Rear Brake Type
Sealed Drum
Front Suspension Type
Telescopic Fork
Front Suspension Type
Inverted 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
Single Sided Swing Arm
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Shock / Spring Pre-Load
-
Rear Adjustable Rebound Damping
No
Rear Adjustable Rebound Damping
No
Number Rear Shock Absorbers
1
Number Rear Shock Absorbers
1
Air Adjustable
No
Air Adjustable
No
Rear Suspension Material
-
Rear Suspension Material
Steel
Steering Control
Handlebar
Steering Control
Handlebar
Length (ft)
6.05
Length (ft)
6.1
Width (in/mm)
26.8 / 680.7
Width (in/mm)
26 / 660.4
Height (in/mm)
46.7 / 1186.2
Height (in/mm)
46 / 1168.4
Wheelbase (in/mm)
50.6 / 1285.2
Wheelbase (in/mm)
-
Ground Clearance (in/mm)
5.5 / 139.7
Ground Clearance (in/mm)
-
Length (ft/ft)
6
Length (ft/ft)
6
Length (ft/in)
0.6
Length (ft/in)
1.2
Dry Weight (lbs/kg)
194 / 88
Dry Weight (lbs/kg)
268.9 / 122
Fuel Capacity (gal/l)
1.3 / 4.8
Fuel Capacity (gal/l)
1.3 / 4.9
Engine Displacement to Weight (cc)
0.25
Engine Displacement to Weight (cc)
0.56
Seat Type
Two-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)
29.7 / 754.4
Seat Height (in/mm)
-
Number Of Seats
2
Number Of Seats
2
Grab Rail or Strap
Standard
Grab Rail or Strap
Standard
Frame
Steel
Frame
Steel
Body Material
Plastic
Body Material
Plastic
Floor Board Location
Driver and Passenger
Floor Board Location
Driver and Passenger
Hand Grips
Standard
Hand Grips
Standard
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
Saddle Bag Guard
No
Saddle Bag Guard
No
Tank Guard
No
Tank Guard
No
Hand Guards
No
Hand Guards
No
Brush Guard
No
Brush Guard
No
Heel Guards
No
Heel Guards
No
Exhaust Guard
Yes
Exhaust Guard
Yes
Light Guard
No
Light Guard
No
Side Cover
No
Side Cover
No
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Stand Type
Center
Stand Type
Center
Lower Fairing
Standard
Lower Fairing
Standard
Handlebars
Standard
Handlebars
Standard
License Plate
Standard
License Plate
Standard
Foot Peg Location
-
Foot Peg Location
Passenger
Adjustable
-
Adjustable
No
Upper Fairing
-
Upper Fairing
Standard
Trip Odometer
Standard
Trip Odometer
-
Speedometer
Standard
Speedometer
Standard
Fuel Level Warning Type
Gauge
Fuel Level Warning Type
Gauge
Warranty (Months/Condition)
24 / Limited
Warranty (Months/Condition)
24 / Limited
Battery Warranty (Months)
0
Battery Warranty (Months)
0
Metallic
No
Metallic
-
Paint
-
Paint
Standard
Underseat Storage
Standard
Underseat Storage
Standard
Lockable Storage
Standard
Lockable Storage
Standard
Rear Rack
Standard
Rear Rack
-
Helmet Storage
Standard
Helmet Storage
Standard
Glove Box / Dash Storage
-
Glove Box / Dash Storage
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
Power Outlet
-
Power Outlet
Standard
Handlebar Lock
-
Handlebar Lock
Standard
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