2008 Suzuki RM-Z450 Specifications

Name: 2008 Suzuki RM-Z450
Brand: Suzuki

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2008 Suzuki RM-Z450 Overview

The 2008 Suzuki RM-Z450 is a cross / motocross motorcycle built around 449 cc of displacement. Under the tank sits a Single cylinder engine running DOHC valve actuation, a compression ratio of 12.2:1. The bore and stroke measures 96 x 62.1 mm. From a practical standpoint, the 2008 RM-Z450 tips the scales at 101.5 kg, carries a 6.20-litre fuel tank, offers a seat height of 955 mm and spans a 1,480 mm wheelbase. Scroll down for the complete 2008 Suzuki RM-Z450 spec sheet covering every technical detail from suspension travel to tyre sizes.

2008 RM-Z450 - Pros & Cons

Strengths

Fuel injection: The fuel injection injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.

Considerations

Tall seat height: The 955 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.

Owner Experiences & Common Issues

Throttle response and fuelling

The fuel injection on the 2008 Suzuki RM-Z450 is generally well-regarded. Some owners note a slight hesitation at small throttle openings when cold, which clears once the engine reaches operating temperature. A quick visual check of the injector connectors during routine servicing is good practice on higher-mileage examples.

Valve clearance checks

DOHC engines should have valve clearances checked at the manufacturer's specified interval. Owners report that clearances can tighten over time on higher-mileage bikes, leading to slight ticking from the top end. Catching it early keeps the job simple and avoids more costly remediation.

RM-Z450 - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2008 Suzuki RM-Z450, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained RM-Z450 should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task on any RM-Z450. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.

Fuel system care

The RM-Z450's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.

Valve clearance service

Check that valve clearances have been adjusted at the correct intervals on any used RM-Z450. This is a job many owners skip because the bike does not immediately feel wrong - but tight clearances accelerate valve seat wear. Ask for proof it has been done.

2008 Suzuki RM-Z450 - Frequently Asked Questions

What engine does the 2008 Suzuki RM-Z450 have?

The 2008 Suzuki RM-Z450 uses a Single cylinder engine with 449 cc of displacement.

How much does the 2008 Suzuki RM-Z450 weigh?

The 2008 Suzuki RM-Z450 weighs 101.5 kg. This is the manufacturer's dry figure.

What is the fuel tank capacity of the 2008 Suzuki RM-Z450?

The 2008 Suzuki RM-Z450 has a 6.20-litre fuel tank.

Is the 2008 Suzuki RM-Z450 suitable for shorter riders?

The 2008 Suzuki RM-Z450 has a seat height of 955 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.

What brakes does the 2008 Suzuki RM-Z450 have?

The 2008 Suzuki RM-Z450 uses Single disc at the front and Single disc at the rear.

What tyre sizes does the 2008 Suzuki RM-Z450 use?

The 2008 Suzuki RM-Z450 runs 90/90-21 front and 120/90-19 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

What fuel system does the 2008 Suzuki RM-Z450 use?

The 2008 Suzuki RM-Z450 uses Injection. Electronic Fuel Injection, providing precise fuelling across the rev range and reliable cold-start behaviour.

Suzuki RM-Z450 Spec Evolution

The Suzuki RM-Z450 was produced across 18 model years (2005-2023). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.

Specification	2005	2006	2007	2008	2009	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
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
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	-	-	-	-	-	-	-	-	-	-
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
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.
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
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

Key Specifications

Engine

Single cylinder

Power

N/A

Torque

N/A

Top Speed

N/A

Weight

101.5 kg / 223.8 lbs

Fuel Capacity

6.20 litres / 1.64 gallons

Full 2008 Suzuki RM-Z450 Specifications

Colours Yellow

Bore x Stroke (in,) 3.8 x 2.4 inches

Bore x Stroke (mm) 96.0 x 62.1 mm

Displacement (cc) 449.00 cc

Displacement (ci) 27.40 cubic inches

Engine Type Single cylinder

Fuel Control DOHC

Stroke 4

Fuel System Injection. Electronic Fuel Injection

Compression Ratio 12.2:1

Engine Lubrication Semi-dry sump

Ignition Digital CDI

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RM-Z450 Years

2016 2015 2008

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