Yamaha DT 125 MX Dimensions (Length, Width & Seat Height)

The Yamaha DT 125 MX motorcycle dimensions for 1978 is length 82.1 in (2,085 mm), width 34.1 in (865 mm), height 44.1 in (1,120 mm), seat height 33.3 in (845 mm), and the ground clearance is 10.4 in (265 mm).

Yamaha DT 125 MX dimensions at a glance

Overall length
82.1 in (2,085 mm)
nose to tail
Overall width
34.1 in (865 mm)
widest listed point
Overall height
44.1 in (1,120 mm)
overall listed height
Seat height
33.3 in (845 mm)
rider seat height
Ground clearance
10.4 in (265 mm)
lowest listed clearance

Dimension charts

Position within similar Yamaha models

Representative dimensions shown within the observed range for comparable Yamaha models in the same category.

Length82.1 in (2,085 mm)
Observed category range: 51.4 in (1,306 mm) to 89.2 in (2,265 mm)
Width34.1 in (865 mm)
Observed category range: 23.4 in (594 mm) to 38.6 in (980 mm)
Height44.1 in (1,120 mm)
Observed category range: 31.3 in (795 mm) to 58.1 in (1,477 mm)
Seat height33.3 in (845 mm)
Observed category range: 21.9 in (556 mm) to 39.3 in (998 mm)
Clearance10.4 in (265 mm)
Observed category range: 5.3 in (135 mm) to 15.5 in (393 mm)

Compared with the category median

Percentile and median comparisons use the same comparable Yamaha model group.

Length42nd percentile
This model
82.1 in (2,085 mm)
Category median
83.1 in (2,110 mm)
1 in below the category median from 73 comparable Yamaha models.
Width88th percentile
This model
34.1 in (865 mm)
Category median
32.3 in (820 mm)
1.8 in above the category median from 68 comparable Yamaha models.
Height35th percentile
This model
44.1 in (1,120 mm)
Category median
45.7 in (1,160 mm)
1.6 in below the category median from 67 comparable Yamaha models.
Seat height46th percentile
This model
33.3 in (845 mm)
Category median
33.7 in (855 mm)
0.4 in below the category median from 73 comparable Yamaha models.
Clearance43rd percentile
This model
10.4 in (265 mm)
Category median
10.9 in (278 mm)
0.5 in below the category median from 70 comparable Yamaha models.

Useful dimension ratios

Seat height feel

About 33.3 in — a seat height around the category middle. This is a geometry comparison, not a guarantee of rider fit.

Bounding-box footprint

About 19.4 sq ft (1.8 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 82.1 in (2,085 mm) 83.1 in (2,110 mm) 1 in below median
Width 34.1 in (865 mm) 32.3 in (820 mm) 1.8 in above median
Height 44.1 in (1,120 mm) 45.7 in (1,160 mm) 1.6 in below median
Seat height 33.3 in (845 mm) 33.7 in (855 mm) 0.4 in below median
Ground clearance 10.4 in (265 mm) 10.9 in (278 mm) 0.5 in below median

Yamaha DT 125 MX dimensions by year

Year Length Width Height Wheelbase Seat height Ground clearance
1978 82.1 in (2,085 mm) 34.1 in (865 mm) 44.1 in (1,120 mm) 33.3 in (845 mm) 10.4 in (265 mm)

Yamaha DT 125 MX dimensions FAQ

Is the Yamaha DT 125 MX seat height low or tall?

The representative seat height is 33.3 in (845 mm), which is a seat height around the category middle. 0.4 in below the category median.

How much ground clearance does the Yamaha DT 125 MX have?

The representative ground clearance is 10.4 in (265 mm), which is ground clearance around the category middle. 0.5 in below the category median.

Is the Yamaha DT 125 MX compact or large?

The representative overall length is 82.1 in (2,085 mm), making the Yamaha DT 125 MX around the middle of its category for overall length. 1 in below the category median. Its rough length × width storage footprint is about 19.4 sq ft (1.8 m²).

What do the Yamaha DT 125 MX width and height suggest?

Its representative width is 34.1 in (865 mm) and representative height is 44.1 in (1,120 mm). The width is among the widest comparable Yamaha models. The height is lower than most comparable Yamaha models.