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Year
2021
Year
2024
Parent Company
Suzuki
Parent Company
Suzuki
Generic Type (Primary)
Off-Road
Generic Type (Primary)
Off-Road
Make
Suzuki
Make
Suzuki
Display Name
RM-Z 250
Display Name
RM-Z 450
Manufacturer Country
Japan
Manufacturer Country
Japan
Introduction Year
2004
Introduction Year
2005
Photo Gallery
Standard
Photo Gallery
Standard
Price
Standard
Price
Standard
MSRP
$7,899
MSRP
$9,199
Destination Charge
395
Destination Charge
460
Engine
Standard
Engine
Standard
Engine Type
Single-Cylinder
Engine Type
Single-Cylinder
Cylinders
1
Cylinders
1
Engine Stroke
4-Stroke
Engine Stroke
4-Stroke
Cooling
Liquid
Cooling
Liquid
Valves
4
Valves
4
Valves Per Cylinder
4
Valves Per Cylinder
4
Valve Configuration
DOHC
Valve Configuration
DOHC
Compression Ratio
13.8:1
Compression Ratio
12.5:1
Starter
Kick
Starter
Kick
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
Bore (mm/in)
77 / 3.03
Bore (mm/in)
96 / 3.78
Stroke (in/mm)
2.11 / 53.6
Stroke (in/mm)
2.46 / 62.1
Displacement (cc/ci)
249 / 15.2
Displacement (cc/ci)
449 / 27.4
Carburetion Brand
-
Carburetion Brand
Keihin
Fuel Injector Size (mm)
-
Fuel Injector Size (mm)
44
Transmission
Standard
Transmission
Standard
Transmission Type
Manual
Transmission Type
Manual
Number Of Speeds
5
Number Of Speeds
5
Overdrive
No
Overdrive
No
Reverse
No
Reverse
No
Primary Drive (Rear Wheel)
Chain
Primary Drive (Rear Wheel)
Chain
Dimensions
Standard
Dimensions
Standard
Weight
Standard
Weight
Standard
Capacities
Standard
Capacities
Standard
Performance
Standard
Performance
Standard
Length (in/mm)
86 / 2185
Length (in/mm)
85.6 / 2175
Width (in/mm)
32.9 / 835
Width (in/mm)
32.9 / 835
Height (in/mm)
49.4 / 1255
Height (in/mm)
49.6 / 1260
Wheelbase (in/mm)
58.5 / 1485
Wheelbase (in/mm)
58.3 / 1480
Ground Clearance (in/mm)
13 / 330
Ground Clearance (in/mm)
13 / 330
Wet Weight (lbs/kg)
233 / 106
Wet Weight (lbs/kg)
247 / 112
Fuel Capacity (gal/l)
1.7 / 6.3
Fuel Capacity (gal/l)
1.7 / 6.3
Construction
Standard
Construction
Standard
Frame
Aluminum
Frame
Aluminum
Body Material
Plastic
Body Material
Plastic
Foot Pegs
Standard
Foot Pegs
Standard
Foot Peg Location
Driver
Foot Peg Location
Driver
Adjustable
No
Adjustable
No
Hand Grips
Standard
Hand Grips
Standard
Handlebars
Standard
Handlebars
Standard
Handlebar Pads
Standard
Handlebar Pads
Standard
Exterior Guards
Standard
Exterior Guards
Standard
Belt Guard
No
Belt Guard
No
Brush Guard
No
Brush Guard
No
Chain Guard
No
Chain Guard
No
Chassis Protectors
Yes
Chassis Protectors
Yes
Drive Shaft Guard
No
Drive Shaft Guard
No
Engine Case Guard
No
Engine Case Guard
No
Exhaust Guard
Yes
Exhaust Guard
Yes
Fork Guards
Yes
Fork Guards
Yes
Hand Guards
No
Hand Guards
No
Heel Guards
No
Heel Guards
No
Light Guard
No
Light Guard
No
Saddle Bag Guard
No
Saddle Bag Guard
No
Exterior Covers
Standard
Exterior Covers
Standard
Side Cover
No
Side Cover
No
Front Fender
Standard
Front Fender
Standard
Rear Fender
Standard
Rear Fender
Standard
Stand
Optional
Stand
Optional
Skid Plate
-
Skid Plate
Standard
Steering Control
Handlebar
Steering Control
Handlebar
Front Suspension Brand Name
KYB
Front Suspension Brand Name
Showa®
Front Suspension Type
Inverted Fork
Front Suspension Type
Inverted Fork
Front Adjustable Fork Pre-Load
Yes
Front Adjustable Fork Pre-Load
Yes
Front Adjustable Rebound Damping
Yes
Front Adjustable Rebound Damping
Yes
Rear Suspension Brand Name
KYB
Rear Suspension Brand Name
Showa®
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Type
Twin Sided Swing Arm
Rear Suspension Material
Aluminum
Rear Suspension Material
Aluminum
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Shock / Spring Pre-Load
Yes
Rear Adjustable Rebound Damping
Yes
Rear Adjustable Rebound Damping
Yes
Number Rear Shock Absorbers
1
Number Rear Shock Absorbers
1
Air Adjustable
-
Air Adjustable
No
Front Suspension Size (in/mm)
-
Front Suspension Size (in/mm)
1.9 / 48
Rear Travel (in/mm)
-
Rear Travel (in/mm)
12.2 / 309.9
Wheels
Standard
Wheels
Standard
Wheels Composition
Aluminum
Wheels Composition
Aluminum
Chromed
No
Chromed
No
Tube / Tubeless
Tubed
Tube / Tubeless
Tubed
Tires
Standard
Tires
Standard
Tire Brand
Dunlop®
Tire Brand
Bridgestone®
Front Tire Width
80
Front Tire Width
80
Front Tire Aspect Ratio
100
Front Tire Aspect Ratio
100
Front Tire Speed Rating
M
Front Tire Speed Rating
M
Front Wheel Diameter
21
Front Wheel Diameter
21
Rear Tire Width
100
Rear Tire Width
110
Rear Tire Aspect Ratio
90
Rear Tire Aspect Ratio
90
Rear Tire Speed Rating
M
Rear Tire Speed Rating
M
Rear Wheel Diameter
19
Rear Wheel Diameter
19
Front Tire (Full Spec)
Dunlop® Geomax MX33 80/100 R21 M/C 51M
Front Tire (Full Spec)
Bridgestone® Battlecross X30 80/100 R21 M/C 51M
Rear Tire (Full Spec)
Dunlop® Geomax MX33 100/90 R19 M/C 57M
Rear Tire (Full Spec)
Bridgestone® Battlecross X30 110/90 R19 M/C 62M
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)
10.6 / 270
Front Brake Diameter (in/mm)
10.6 / 270
Seat Type
One-Piece
Seat Type
One-Piece
Seat Location
Driver
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
1
Number Of Seats
1
Backrest Logo Plate
No
Backrest Logo Plate
No
Seat Height (in/mm)
37.5 / 955
Seat Height (in/mm)
37.8 / 960
Paint
Standard
Paint
Standard
Metallic
No
Metallic
No
Decal Kit
Standard
Decal Kit
Standard
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