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Year
2023
Year
2023
Parent Company
KYMCO
Parent Company
Yamaha
Generic Type (Primary)
Scooter
Generic Type (Primary)
Off-Road
Make
Kymco
Make
Yamaha
Display Name
People Series S150i
Display Name
YZ 450FX
Manufacturer Country
Taiwan
Manufacturer Country
Japan
Introduction Year
2021
Introduction Year
2016
Manufacturer Recommend Minimum Age
16
Manufacturer Recommend Minimum Age
16
Photo Gallery
Standard
Photo Gallery
Standard
Representative Image
-
Representative Image
No
Price
Standard
Price
Standard
MSRP
$3,749
MSRP
$9,999
Warranty (Months/Condition)
24 / Limited
Warranty (Months/Condition)
1 / Limited
Destination Charge
-
Destination Charge
450
Engine
Standard
Engine
Standard
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
4-Stroke
Horsepower RPM
8500
Horsepower RPM
-
Torque RPM
7000
Torque RPM
-
Cooling
Air
Cooling
Liquid
Valves
4
Valves
4
Valves Per Cylinder
4
Valves Per Cylinder
4
Valve Configuration
SOHC
Valve Configuration
DOHC
Starter
Electric
Starter
Electric
Fuel Type
Gas
Fuel Type
Gas
Fuel Requirements
Regular
Fuel Requirements
Regular
Carburetion
Standard
Carburetion
Standard
Fuel Injector
Yes
Fuel Injector
Yes
Carburetor
No
Carburetor
No
Carburetion Type
Fuel Injected
Carburetion Type
Fuel Injected
Speed Governor
No
Speed Governor
-
Horsepower (bhp)
13.5
Horsepower (bhp)
-
Torque (Nm)
12.3
Torque (Nm)
-
Bore (mm/in)
59 / 2.32
Bore (mm/in)
97 / 3.82
Stroke (in/mm)
2.16 / 54.8
Stroke (in/mm)
2.4 / 60.9
Displacement (cc/ci)
149.8 / 9.1
Displacement (cc/ci)
450 / 27.5
US Miles Per Gallon (Combined)
83.5
US Miles Per Gallon (Combined)
-
Compression Ratio
-
Compression Ratio
13.0:1
Carburetion Brand
-
Carburetion Brand
Mikuni
Fuel Injector Size (mm)
-
Fuel Injector Size (mm)
44
Transmission
Standard
Transmission
Standard
Transmission Type
Continuously Variable (CVT)
Transmission Type
Manual
Reverse
No
Reverse
No
Primary Drive (Rear Wheel)
Belt
Primary Drive (Rear Wheel)
Chain
Number Of Speeds
-
Number Of Speeds
5
Overdrive
-
Overdrive
Yes
Dimensions
Standard
Dimensions
Standard
Weight
Standard
Weight
Standard
Capacities
Standard
Capacities
Standard
Performance
Standard
Performance
Standard
Length (in/mm)
82 / 2082.8
Length (in/mm)
85.6 / 2174.2
Width (in/mm)
27.6 / 701
Width (in/mm)
32.5 / 825.5
Height (in/mm)
46.1 / 1170.9
Height (in/mm)
50.4 / 1280.2
Wheelbase (in/mm)
54.7 / 1389.4
Wheelbase (in/mm)
58.3 / 1480.8
Dry Weight (lbs/kg)
286.6 / 130
Dry Weight (lbs/kg)
-
Fuel Capacity (gal/l)
1.63 / 6.2
Fuel Capacity (gal/l)
2.2 / 8.3
Engine Displacement to Weight (cc)
0.65
Engine Displacement to Weight (cc)
1.77
Ground Clearance (in/mm)
-
Ground Clearance (in/mm)
12.6 / 320
Wet Weight (lbs/kg)
-
Wet Weight (lbs/kg)
254 / 115.2
Construction
Standard
Construction
Standard
Frame
Steel
Frame
Aluminum
Body Material
Plastic
Body Material
Plastic
Floor Boards
Standard
Floor Boards
-
Floor Board Location
Driver and Passenger
Floor Board Location
-
Hand Grips
Standard
Hand Grips
Standard
Handlebars
Standard
Handlebars
Standard
Exterior Guards
Standard
Exterior Guards
Standard
Brush Guard
No
Brush Guard
No
Chain Guard
No
Chain Guard
Yes
Chassis Protectors
No
Chassis Protectors
Yes
Drive Shaft Guard
No
Drive Shaft Guard
No
Engine Case Guard
No
Engine Case Guard
No
Exhaust Guard
Yes
Exhaust Guard
No
Fork Guards
No
Fork Guards
Yes
Hand Guards
No
Hand Guards
No
Heel Guards
Yes
Heel Guards
-
Light Guard
No
Light Guard
No
Saddle Bag Guard
No
Saddle Bag Guard
No
Tank Guard
No
Tank Guard
No
Exterior Covers
Standard
Exterior Covers
Standard
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Stand
Standard
Stand
Standard
Stand Type
Kick
Stand Type
Kick
Upper Fairing
Standard
Upper Fairing
-
Foot Pegs
-
Foot Pegs
Standard
Foot Peg Location
-
Foot Peg Location
Driver
Adjustable
-
Adjustable
No
Handlebar Pads
-
Handlebar Pads
Standard
Belt Guard
-
Belt Guard
No
Fuel Tank Cover
-
Fuel Tank Cover
No
Skid Plate
-
Skid Plate
Standard
Steering Control
Handlebar
Steering Control
Handlebar
Front Suspension Type
Telescopic Fork
Front Suspension Type
Inverted Fork
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
Steering Damper
No
Steering Damper
No
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Number Rear Shock Absorbers
2
Number Rear Shock Absorbers
1
Air Adjustable
No
Air Adjustable
No
Front Suspension Brand Name
-
Front Suspension Brand Name
KYB
Rear Suspension Brand Name
-
Rear Suspension Brand Name
KYB
Rear Suspension Material
-
Rear Suspension Material
Aluminum
Rear Adjustable Shock / Spring Pre-Load
-
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Rebound Damping
-
Rear Adjustable Rebound Damping
Yes
Front Travel (in/mm)
-
Front Travel (in/mm)
12.2 / 309.9
Rear Travel (in/mm)
-
Rear Travel (in/mm)
12.5 / 317.5
Wheels
Standard
Wheels
Standard
Wheels Composition
Aluminum
Wheels Composition
Aluminum
Chromed
No
Chromed
Yes
Tube / Tubeless
Tubed
Tube / Tubeless
Tubed
Tires
Standard
Tires
Standard
Front Tire Width
100
Front Tire Width
80
Front Tire Aspect Ratio
80
Front Tire Aspect Ratio
100
Front Wheel Diameter
16
Front Wheel Diameter
21
Rear Tire Width
120
Rear Tire Width
120
Rear Tire Aspect Ratio
80
Rear Tire Aspect Ratio
90
Rear Wheel Diameter
14
Rear Wheel Diameter
18
Front Tire (Full Spec)
100 / 80 - 16
Front Tire (Full Spec)
Dunlop® MX3S 80/100 R21
Rear Tire (Full Spec)
120 / 80 - 14
Rear Tire (Full Spec)
Dunlop® MX3S 120/90 R18
Tire Brand
-
Tire Brand
Dunlop®
Brakes
Standard
Brakes
Standard
Front Brake Type
Hydraulic Disc
Front Brake Type
Hydraulic Disc
Rear Brake Type
Hydraulic Disc
Rear Brake Type
Hydraulic Disc
Front Brake Diameter (in/mm)
-
Front Brake Diameter (in/mm)
10.6 / 270
Rear Brake Diameter (in/mm)
-
Rear Brake Diameter (in/mm)
9.4 / 240
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
No
Folding
No
Folding
No
Seat Specifications
Standard
Seat Specifications
Standard
Number Of Seats
2
Number Of Seats
1
Grab Rail or Strap
Standard
Grab Rail or Strap
-
Seat Height (in/mm)
31.5 / 800.1
Seat Height (in/mm)
37.6 / 955
Digital Instrumentation
Standard
Digital Instrumentation
-
Clock
Standard
Clock
-
Speedometer
Standard
Speedometer
-
Tachometer
Standard
Tachometer
-
Trip Odometer
Standard
Trip Odometer
-
Fuel Level Warning
Standard
Fuel Level Warning
-
Fuel Level Warning Type
Gauge
Fuel Level Warning Type
-
Temperature Warning
Standard
Temperature Warning
-
Temperature Warning Type
Gauge
Temperature Warning Type
-
Underseat Storage
Standard
Underseat Storage
-
Lockable Storage
Standard
Lockable Storage
-
Rear Rack
Standard
Rear Rack
-
Storage Cover
-
Storage Cover
Optional
Type
LED
Type
-
Headlight (s)
Standard
Headlight (s)
-
Halogen Headlight (s)
Standard
Halogen Headlight (s)
-
Rearview Mirrors
Standard
Rearview Mirrors
-
Paint
Standard
Paint
Standard
Metallic
No
Metallic
No
Decal Kit
Standard
Decal Kit
-
Adjustable Handlebars
-
Adjustable Handlebars
Standard
Adjustable Levers
-
Adjustable Levers
Standard
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