Across 17 covered model years from 2008 to 2025, the Suzuki RM-Z450 motorcycle has supplied wet/running weights ranging from 246.9 lb (112 kg) to 249.1 lb (113 kg) and dry weights ranging from 223.8 lb (101.5 kg), depending on model year.
Suzuki RM-Z450 weight overview
The weight is relatively manageable, so the bike should demand less effort than a heavyweight machine when backing up, parking or making slow-speed corrections.
Light Motorcycle
How heavy is the Suzuki RM-Z450?
wet weight
Using a model-level wet weight comparison, the Suzuki RM-Z450 is heavier than about 68.8% of 8 Suzuki motocross bikes with compatible weight data.
Dry vs ready-to-ride weight
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Suzuki RM-Z450 weight & related specs
| Model years covered | 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
|---|---|
| Wet / running weight | 246.9 lb (112 kg) to 249.1 lb (113 kg) |
| Dry weight | 223.8 lb (101.5 kg) |
| Engine displacement | 449 cc |
| Fuel capacity | 1.64 US gal (6.2 L) to 1.66 US gal (6.3 L) |
| Full-tank fuel weight (estimated) | 10.2 lb (4.6 kg) to 10.3 lb (4.7 kg) |
Weight changes by model year
The 2008 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Displacement per pound | 1.8 cc / lb to 2.01 cc / lb |
|---|---|
| Weight per 100 cc | 49.8 lb / 100 cc to 55.5 lb / 100 cc |
| Fuel weight as % of bike weight | 4.1% to 4.6% |
| Weight with full tank | 234 lb (106.1 kg) |
What the weight numbers tell you
Suzuki RM-Z450 weight FAQ
What is the Suzuki RM-Z450 dry and wet weight?
Across the covered 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 years, listed wet/running weight is 246.9 lb (112 kg) to 249.1 lb (113 kg) and listed dry weight is 223.8 lb (101.5 kg). Check the year-change section because the exact figure can vary by model year.
Is the Suzuki RM-Z450 lighter or heavier than other Suzuki motocross bikes?
Compared with similar Suzukis in this dataset, it is heavier than about 68.8% of 8 motocross bikes using the same weight basis.
Which Suzuki RM-Z450 years have different weight specs?
The supplied data shows different weight figures across the 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 model years. Use the year-specific changes section above for the exact value attached to each changed year. No usable dry/wet figure was supplied for 2024, 2025.
How much does a full tank add to the Suzuki RM-Z450?
Based on the supplied 1.64 US gal (6.2 L) to 1.66 US gal (6.3 L) tank capacity, the gasoline itself weighs about 10.2 lb (4.6 kg) to 10.3 lb (4.7 kg) when full. This helps explain part of the difference between dry and ready-to-ride mass.
What is the combined Suzuki RM-Z450 and rider weight?
Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 426.9 lb (193.6 kg) before riding gear, luggage or a passenger.
How heavy is the Suzuki RM-Z450 after filling the fuel tank?
Filling the listed tank brings the calculated bike weight to roughly 234 lb (106.1 kg). This estimate is most useful when no official wet/running figure is available.
How much of the Suzuki RM-Z450 total weight comes from fuel?
The calculated full-tank fuel mass is about 4.1% to 4.6% of the bike’s listed weight. This helps show why a dry-weight number can understate what you actually manage on the road.
What is the Suzuki RM-Z450 engine-size-to-weight ratio?
The available figures work out to 1.8 cc per lb to 2.01 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.
How far is the Suzuki RM-Z450 from the median Suzuki motocross bike weight?
Compared with the median Suzuki motocross bike weight of 237.8 lb (107.8 kg), the model is roughly 9.1 lb (4.2 kg) heavier.
Motorcycle specifications can vary by model year, market, equipment and the exact dry/curb-weight definition. Calculated fuel-weight and ratio figures on this page are estimates derived from the supplied specifications. Confirm critical figures in the owner’s manual or on the official Suzuki Cycles website.