The Yamaha DT 400 motorcycle dimensions for 1975-1977 is length 85.8 in (2,180 mm), width 34.3 in (870 mm), height 44.9 in (1,140 mm), and the wheelbase 55.5 in (1,410 mm).
Yamaha DT 400 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
Useful dimension ratios
Wheelbase / length
64.7% 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 30.3 in (770 mm) combined beyond the axle-to-axle distance.
Bounding-box footprint
About 20.4 sq ft (1.9 m²), calculated from listed overall length × width. Useful for rough storage planning.
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 | 85.8 in (2,180 mm) | 83.1 in (2,110 mm) | 2.8 in above median |
| Width | 34.3 in (870 mm) | 32.3 in (820 mm) | 2 in above median |
| Height | 44.9 in (1,140 mm) | 45.7 in (1,160 mm) | 0.8 in below median |
| Wheelbase | 55.5 in (1,410 mm) | 54.5 in (1,384 mm) | 1 in above median |
Yamaha DT 400 dimensions by year
| Year | Length | Width | Height | Wheelbase | Seat height | Ground clearance |
|---|---|---|---|---|---|---|
| 1975 | 85.8 in (2,180 mm) | 34.3 in (870 mm) | 44.9 in (1,140 mm) | 55.5 in (1,410 mm) | — | — |
Yamaha DT 400 dimensions FAQ
Does the Yamaha DT 400 have a short or long wheelbase?
The representative wheelbase is 55.5 in (1,410 mm), giving the Yamaha DT 400 a wheelbase around the category middle. 1 in above the category median. The wheelbase is about 64.7% of overall length.
Is the Yamaha DT 400 compact or large?
The representative overall length is 85.8 in (2,180 mm), making the Yamaha DT 400 longer than most comparable Yamaha models. 2.8 in above the category median. Its rough length × width storage footprint is about 20.4 sq ft (1.9 m²).
What do the Yamaha DT 400 width and height suggest?
Its representative width is 34.3 in (870 mm) and representative height is 44.9 in (1,140 mm). The width is among the widest comparable Yamaha models. The height is around typical category height.
Did the Yamaha DT 400 dimensions change much by year?
Not really based on the supplied comparable figures. The available model-year data does not show a meaningful geometry change.