The Yamaha YZ125X motorcycle dimensions for 2017-2025 is length 84.1 in (2,137 mm) to 84.3 in (2,141 mm), width 32.5 in (825 mm), height 50.6 in (1,285 mm) to 51 in (1,295 mm), wheelbase 56.8 in (1,443 mm) to 57.3 in (1,455 mm), seat height 38.2 in (970 mm) to 38.4 in (975 mm), and the ground clearance is 13.8 in (351 mm) to 14.3 in (363 mm).
Yamaha YZ125X dimensions at a glance
Dimension charts
Position within similar Yamaha models
Representative dimensions shown within the observed range for comparable Yamaha models in the same category.
Compared with the category median
Percentile and median comparisons use the same comparable Yamaha model group.
Dimension changes by model year
The earliest supplied value is the baseline. Only later values that actually change are shown.
Overall length
Overall height
Wheelbase
Seat height
Ground clearance
Useful dimension ratios
Seat height feel
About 38.4 in — one of the highest seat heights in its category. This is a geometry comparison, not a guarantee of rider fit.
Wheelbase / length
68% of overall length. This shows how much of the bike’s total length is axle-to-axle distance rather than overhang.
Length beyond wheelbase
About 27 in (686 mm) combined beyond the axle-to-axle distance.
Bounding-box footprint
About 19 sq ft (1.77 m²), calculated from listed overall length × width. Useful for rough storage planning.
Clearance / wheelbase
24.1%. A simple ratio showing listed ground clearance relative to wheelbase.
How its dimensions compare
Compared with other Yamaha models in the same Bikez category where enough usable data is available.
| Dimension | This model | Category median | Difference |
|---|---|---|---|
| Overall length | 84.3 in (2,141 mm) | 83.1 in (2,110 mm) | 1.2 in above median |
| Width | 32.5 in (825 mm) | 32.3 in (820 mm) | 0.2 in above median |
| Height | 50.6 in (1,285 mm) | 45.7 in (1,160 mm) | 4.9 in above median |
| Wheelbase | 57.3 in (1,455 mm) | 54.5 in (1,384 mm) | 2.8 in above median |
| Seat height | 38.4 in (975 mm) | 33.7 in (855 mm) | 4.7 in above median |
| Ground clearance | 13.8 in (351 mm) | 10.9 in (278 mm) | 2.9 in above median |
Yamaha YZ125X dimensions by year
| Year | Length | Width | Height | Wheelbase | Seat height | Ground clearance |
|---|---|---|---|---|---|---|
| 2017 | — | — | — | 56.8 in (1,443 mm) | — | — |
| 2018 | 84.1 in (2,137 mm) | 32.5 in (825 mm) | 51 in (1,295 mm) | 56.8 in (1,443 mm) | 38.4 in (975 mm) | 14.3 in (363 mm) |
| 2020 | 84.3 in (2,141 mm) | 32.5 in (825 mm) | 50.6 in (1,285 mm) | 57.3 in (1,455 mm) | 38.4 in (975 mm) | 13.8 in (351 mm) |
| 2021 | 84.3 in (2,141 mm) | 32.5 in (825 mm) | 50.6 in (1,285 mm) | 57.3 in (1,455 mm) | 38.4 in (975 mm) | 13.8 in (351 mm) |
| 2022 | 84.3 in (2,141 mm) | 32.5 in (825 mm) | 50.6 in (1,285 mm) | 57.3 in (1,455 mm) | 38.4 in (975 mm) | 13.8 in (351 mm) |
| 2023 | 84.3 in (2,141 mm) | 32.5 in (825 mm) | 50.6 in (1,285 mm) | 57.3 in (1,455 mm) | 38.2 in (970 mm) | 13.8 in (351 mm) |
Yamaha YZ125X dimensions FAQ
Is the Yamaha YZ125X seat height low or tall?
The representative seat height is 38.4 in (975 mm), which is one of the highest seat heights in its category. 4.7 in above the category median.
Does the Yamaha YZ125X have a short or long wheelbase?
The representative wheelbase is 57.3 in (1,455 mm), giving the Yamaha YZ125X a longer-than-typical wheelbase. 2.8 in above the category median. The wheelbase is about 68% of overall length.
How much ground clearance does the Yamaha YZ125X have?
The representative ground clearance is 13.8 in (351 mm), which is among the highest ground-clearance figures in its category. 2.9 in above the category median.
Is the Yamaha YZ125X compact or large?
The representative overall length is 84.3 in (2,141 mm), making the Yamaha YZ125X around the middle of its category for overall length. 1.2 in above the category median. Its rough length × width storage footprint is about 19 sq ft (1.77 m²).
What do the Yamaha YZ125X width and height suggest?
Its representative width is 32.5 in (825 mm) and representative height is 50.6 in (1,285 mm). The width is around typical category width. The height is among the tallest comparable Yamaha models.
Did the Yamaha YZ125X dimensions change much by year?
The biggest supplied shift is in wheelbase: increased from 56.8 in (1,443 mm) in 2017-2018 to 57.3 in (1,455 mm) in 2020-2023, a change of 0.5 in. Check the year-by-year section above for the full breakdown.