Suzuki RM-Z450 Specs

2008 - 2016 • 3 variants

The Suzuki RM-Z450 is a motocross bike produced from 2008 to 2016 across 3 variants. It is powered by a aluminum cylinder with suzuki composite electrochemical material (scem) coating displacing 449.0 cc.

About the Suzuki RM-Z450

Documented here are the full technical specifications for the Suzuki RM-Z450, a Cross / motocross motorcycle with a production run from 2005 to 2023. Specification data includes engine type and displacement, maximum power and torque output, transmission details, frame construction, suspension travel front and rear, brake types and rotor dimensions, tyre sizes, and overall weight and dimension figures. Select a year above to view the complete spec sheet for that model year.

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Suzuki RM-Z450 by Year

2016 Suzuki RM-Z450 View specs →

2015 Suzuki RM-Z450 View specs →

2008 Suzuki RM-Z450 View specs →

Spec Evolution

How key specs changed across production years.

Specification	2005	2006	2007	2008	2009	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
Bore x Stroke (in,)	3.8 x 2.5 inches	3.8 x 2.5 inches	3.8 x 2.5 inches	3.8 x 2.4 inches	3.8 x 2.4 inches	1.8 x 2.2 inches ↓	3.8 x 2.4 inches ↑	3.8 x 2.4 inches	3.8 x 2.4 inches	3.8 x 2.4 inches	3.8 x 2.4 inches	3.8 x 2.4 inches	3.8 x 2.4 inches	3.8 x 2.4 inches	3.8 x 2.4 inches	3.8 x 2.4 inches	3.8 x 2.4 inches	3.8 x 2.4 inches
Bore x Stroke (mm)	95.5 x 62.8 mm	95.5 x 62.8 mm	95.5 x 62.8 mm	96.0 x 62.1 mm ↑	96.0 x 62.1 mm	45.5 x 55.2 mm ↓	96.0 x 62.1 mm ↑	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm	96.0 x 62.1 mm
Comments	-	-	-	-	-	A special edition with black paint is available.	A black/green limited edition version is available.	Sold in the Philippines.	-	-	-	-	-	-	Traction management system	Traction management system	Traction management system	Traction management system
Displacement (cc)	449.00 cc	449.00 cc	449.00 cc	449.00 cc	652.00 cc ↑	449.00 cc ↓	449.00 cc	449.00 cc	449.00 cc	-	-	-	-	449.0 cc	449.0 cc	449.0 cc	449.0 cc	449.0 cc
Displacement (ci)	27.40 cubic inches	27.40 cubic inches	27.40 cubic inches	27.40 cubic inches	39.79 cubic inches ↑	27.40 cubic inches ↓	27.40 cubic inches	27.40 cubic inches	27.40 cubic inches	-	-	-	-	27.40 cubic inches	27.40 cubic inches	27.40 cubic inches	27.40 cubic inches	27.40 cubic inches
Engine Type	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke
Ground Clearance (mm)	350 mm	350 mm	350 mm	350 mm	350 mm	325 mm ↓	325 mm	325 mm	325 mm	325 mm	325 mm	325 mm	330 mm ↑	330 mm	330 mm	330 mm	330 mm	330 mm
Ground Clearance (in.)	13.8 inches	13.8 inches	13.8 inches	13.8 inches	13.8 inches	12.8 inches ↓	12.8 inches	12.8 inches	12.8 inches	12.8 inches	12.8 inches	12.8 inches	13.0 inches ↑	13.0 inches	13.0 inches	13.0 inches	13.0 inches	13.0 inches
Fuel Control	DOHC	DOHC	DOHC	DOHC	DOHC	DOHC	DOHC	DOHC	DOHC	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)
Seat Height	995 mm / 39.2 in.	955 mm / 37.6 in. ↓	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.	955 mm / 37.6 in.	960 mm / 37.8 in. ↑	960 mm / 37.8 in.	960 mm / 37.8 in.	960 mm / 37.8 in.	960 mm / 37.8 in.	960 mm / 37.8 in.
Frame Type	-	-	-	-	-	Twin-spar aluminum frame and swingarm.	Twin-spar aluminum frame and swingarm.	Overall Length	Overall Length	-	-	-	-	-	Aluminum alloy, twin-spar	Aluminum alloy, twin-spar	Aluminum alloy, twin-spar	Aluminum alloy, twin-spar
Dry Weight	101 kg / 222.7 lbs	100 kg / 220.5 lbs ↓	100 kg / 220.5 lbs	101.5 kg / 223.8 lbs ↑	-	-	-	106 kg / 233.7 lbs	-	-	-	-	-	-	-	-	-	-
Wheelbase	1,486 mm / 58.5 in.	1,480 mm / 58.3 in.	1,480 mm / 58.3 in.	1,480 mm / 58.3 in.	1,480 mm / 58.3 in.	1,495 mm / 58.9 in. ↑	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,480 mm / 58.3 in. ↓	1480 mm / 58.3 in. ↑	1480 mm / 58.3 in.	1480 mm / 58.3 in.	1480 mm / 58.3 in.	1480 mm / 58.3 in.
Fuel Capacity	7.00 litres / 1.85 gallons	7.00 litres / 1.85 gallons	7.00 litres / 1.85 gallons	6.20 litres / 1.64 gallons ↓	6.20 litres / 1.64 gallons	6.20 litres / 1.64 gallons	6.20 litres / 1.64 gallons	6.20 litres / 1.64 gallons	6.20 litres / 1.64 gallons	6.20 litres / 1.64 gallons	6.20 litres / 1.64 gallons	6.20 litres / 1.64 gallons	6.30 litres / 1.66 gallons ↑	6.30 litres / 1.66 US gallons	6.30 litres / 1.66 US gallons	6.30 litres / 1.66 US gallons	6.30 litres / 1.66 US gallons	6.30 litres / 1.66 US gallons
Suspension - Front	Telescopic, cartridge-type, 22 compression and 20 rebound settings, 12.2 inches, 310mm of wheel travel	Telescopic, cartridge-type, 22 compression and 20 rebound settings, 12.2 inches of wheel travel	Telescopic, cartridge-type, 22 compression and 20 rebound settings, 12.2 inches of wheel travel	Telescopic, cartridge-type fully adjustable rebound, compression and pre-load settings	Telescopic, coil spring, oil damped	Telescopic inverted, coil spring, oil damped	Telescopic inverted, coil spring, oil damped	Inverted telescopic, coil spring, oil damped	Inverted telescopic, coil spring, oil damped	Inverted telescopic, coil spring, oil damped	Inverted telescopic SFF-Air suspension	Inverted telescopic SFF-Air suspension	Inverted telescopic, coil spring, oil damped, adjustable damping force	Inverted telescopic, coil spring, oil damped, adjustable damping force	Showa inverted telescopic, coil spring, oil damped, adjustable damping force	Inverted telescopic, coil spring, oil damped, adjustable damping force	Inverted telescopic, coil spring, oil damped, adjustable damping force	Inverted telescopic, coil spring, oil damped, adjustable damping force
Suspension - Rear	Link-type, spring preload fully-adjustable, 16 compression and 19 rebound settings, 12.2 inches of 310 of wheel travel	Link-type, spring preload fully-adjustable, 16 compression and 19 rebound settings, 12.2 inches of wheel travel	Link-type, spring preload fully-adjustable, 16 compression and 19 rebound settings, 12.2 inches of wheel travel	Link-type, spring preload fullyadjustable rebound, compression and pre-load settings	Link type, coil spring, oil damped	Swingarm, link type, coil spring, oil damped	Swingarm, link type, coil spring, oil damped	Link type, coil spring, oil damped	Link type, coil spring, oil damped	Link type, coil spring, oil damped	Showa link type, coil spring, oil damped	Showa link type, coil spring, oil damped	BFRC - link type, coil spring, oil damped, adjustable spring preload and damping force	BFRC - link type, coil spring, oil damped, adjustable spring preload and damping force	Showa BFRC - link type, coil spring, oil damped, adjustable spring preload and damping force	BFRC-link type, coil spring, oil damped, adjustable spring preload and damping force	BFRC-link type, coil spring, oil damped, adjustable spring preload and damping force	BFRC-link type, coil spring, oil damped, adjustable spring preload and damping force
Fuel System	Carburettor	Carburettor. Keihin	Carburettor. KeihinT FCR40	Injection. Electronic Fuel Injection	Injection	Injection	Injection	Injection	Injection	Injection	Injection	Injection	Injection	Injection	Injection	Injection. 44mm throttle body	Injection. 44mm throttle body	Injection. 44mm throttle body
Colours	Yellow	Yellow	Yellow	Yellow	Solid Black/Champion Yellow No. 2	Yellow	Yellow/black/red	Champion Yellow	Champion Yellow	Champion Yellow	Champion Yellow/Solid Black	Champion Yellow No.2/Solid Black	Championship Yellow with black/blue accents	Championship Yellow No.2	Championship Yellow	Championship Yellow/Blue	Championship Yellow/Blue	Champion Yellow/Blue
Clutch	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Wet, multi-plate rack-and-pinion clutch	Wet, multi-plate rack-and-pinion clutch	Wet, multi-plate	Wet, multi-plate
Final Drive	Chain	Chain	-	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain (final drive)	Chain (final drive)	Chain (final drive)	Chain (final drive)	Chain (final drive)
Height	1,270 mm / 50.0 in.	1,260 mm / 49.6 in. ↓	1,260 mm / 49.6 in.	1,260 mm / 49.6 in.	1,260 mm / 49.6 in.	-	-	1,270 mm / 50.0 in.	1,270 mm / 50.0 in.	1,270 mm / 50.0 in.	1,270 mm / 50.0 in.	1,270 mm / 50.0 in.	1,260 mm / 49.6 in. ↓	1260 mm / 49.6 in. ↑	1260 mm / 49.6 in.	1260 mm / 49.6 in.	1260 mm / 49.6 in.	1260 mm / 49.6 in.
Rims	-	-	-	-	-	-	-	-	-	-	Aluminum rims with stainless steel spokes.	Aluminum rims with stainless steel spokes.	Aluminum rims with stainless steel spokes.	Aluminum rims with stainless steel spokes.	Black anodized rims with a cross-section. Bridgestone X30 tires.	Black anodized rims with a cross-section. Bridgestone X30 tires.	Black anodized rims with a cross-section. Bridgestone X30 tires.	Black anodized rims with a cross-section. Bridgestone X30 tires.
Length	2,184 mm / 86.0 in.	2,185 mm / 86.0 in.	2,185 mm / 86.0 in.	2,185 mm / 86.0 in.	2,185 mm / 86.0 in.	2,190 mm / 86.2 in.	2,190 mm / 86.2 in.	2,190 mm / 86.2 in.	2,190 mm / 86.2 in.	2,190 mm / 86.2 in.	2,190 mm / 86.2 in.	2,190 mm / 86.2 in.	2,175 mm / 85.6 in. ↓	2175 mm / 85.6 in. ↑	2175 mm / 85.6 in.	2175 mm / 85.6 in.	2175 mm / 85.6 in.	2175 mm / 85.6 in.
Compression Ratio	12.1:1	11.9:1 ↓	11.9:1	12.2:1 ↑	12.2:1	9.5:1 ↓	12.5:1 ↑	12.5:1	12.5:1	12.5:1	12.5:1	12.5:1	12.5:1	12.5:1	12.5:1	12.5:1	12.5:1	12.5:1
Warranty	-	-	-	-	-	No Warranty	12 month limited warranty.	12 month unlimited mileage limited warranty.	12 month unlimited mileage limited warranty.	12 month unlimited mileage limited warranty.	12 month unlimited mileage limited warranty.	No warranty	No warranty	No warranty	No warranty	No warranty	No warranty	No warranty
Wet Weight	-	-	-	-	112.0 kg / 246.9 lbs	113.0 kg / 249.1 lbs ↑	113.0 kg / 249.1 lbs	113.0 kg / 249.1 lbs	113.0 kg / 249.1 lbs	113.0 kg / 249.1 lbs	112.0 kg / 246.9 lbs ↓	112.0 kg / 246.9 lbs	112.0 kg / 246.9 lbs	112.0 kg / 246.9 lbs	112.0 kg / 246.9 lbs	112.0 kg / 246.9 lbs	112.0 kg / 246.9 lbs	112.0 kg / 246.9 lbs
Tyres - Front	90/90-M21	90/90-M21	90/90-21	90/90-21	80/90-21 ↓	80/100-21	80/100-21	70/90-17 ↓	80/100-M, ↑	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21
Engine Lubrication	-	Semi-dry sump	Semi-dry sump	Semi-dry sump	Semi Dry sump	-	Suzuki Advanced Sump System (SASS)	Semi-dry sump	Semi-dry sump	Semi-dry sump	Semi-dry sump	Semi-dry sump	Semi-dry sump	Semi-dry sump	Semi-dry sump	Semi-dry sump	Semi-dry sump	Semi-dry sump
Width	832 mm / 32.8 in.	830 mm / 32.7 in. ↓	-	830 mm / 32.7 in.	830 mm / 32.7 in.	830 mm / 32.7 in.	830 mm / 32.7 in.	830 mm / 32.7 in.	830 mm / 32.7 in.	830 mm / 32.7 in.	830 mm / 32.7 in.	830 mm / 32.7 in.	835 mm / 32.9 in. ↑	835 mm / 32.9 in.	835 mm / 32.9 in.	835 mm / 32.9 in.	835 mm / 32.9 in.	835 mm / 32.9 in.
Gearbox	4-speed	4-speed	4-speed	5-speed ↑	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed
Tyres - Rear	120/90-M19	120/90-M19	120/90-19	120/90-19	110/90-19 ↓	110/90-19	110/90-19	110/90-M,19	110/90-M,19	110/90-19	110/90-19	110/90-19	110/90-19	-	-	-	-	-
Primary Drive	-	-	-	-	-	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Chain, DID520MXV4, 114 links	Constant-mesh	Constant-mesh
Ignition	-	Digital AC-CDI	Digital AC-CDI	Digital CDI	Electronic ignition (	Electronic ignition	Electronic	Electronic ignition	Electronic ignition	Electronic ignition	Electronic ignition	Electronic ignition	Electronic ignition	Electronic ignition	Electronic ignition	CDI	CDI	CDI

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