Honda CB 400N Dimensions (Length, Width & Height)

The Honda CB 400N motorcycle dimensions for 1978 is length 83.3 in (2,115 mm), width 28.7 in (730 mm), height 43.5 in (1,105 mm), wheelbase 54.7 in (1,390 mm), and the seat height 31.3 in (795 mm).

Honda CB 400N dimensions at a glance

Overall length
83.3 in (2,115 mm)
nose to tail
Overall width
28.7 in (730 mm)
widest listed point
Overall height
43.5 in (1,105 mm)
overall listed height
Wheelbase
54.7 in (1,390 mm)
axle-to-axle distance
Seat height
31.3 in (795 mm)
rider seat height

Dimension charts

Position within similar Honda models

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

Length83.3 in (2,115 mm)
Observed category range: 53.7 in (1,365 mm) to 90.4 in (2,295 mm)
Width28.7 in (730 mm)
Observed category range: 23.6 in (600 mm) to 43.3 in (1,099 mm)
Height43.5 in (1,105 mm)
Observed category range: 37.4 in (950 mm) to 54.1 in (1,375 mm)
Wheelbase54.7 in (1,390 mm)
Observed category range: 45.5 in (1,156 mm) to 63.2 in (1,605 mm)
Seat height31.3 in (795 mm)
Observed category range: 26.6 in (676 mm) to 32.3 in (820 mm)

Compared with the category median

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

Length65th percentile
This model
83.3 in (2,115 mm)
Category median
80.7 in (2,050 mm)
2.6 in above the category median from 41 comparable Honda models.
Width9th percentile
This model
28.7 in (730 mm)
Category median
30.4 in (772 mm)
1.7 in below the category median from 40 comparable Honda models.
Height45th percentile
This model
43.5 in (1,105 mm)
Category median
43.7 in (1,110 mm)
0.2 in below the category median from 38 comparable Honda models.
Wheelbase56th percentile
This model
54.7 in (1,390 mm)
Category median
54.2 in (1,378 mm)
0.5 in above the category median from 44 comparable Honda models.
Seat height87th percentile
This model
31.3 in (795 mm)
Category median
30.7 in (780 mm)
0.6 in above the category median from 38 comparable Honda models.

Useful dimension ratios

Seat height feel

About 31.3 in — one of the highest seat heights in its category. This is a geometry comparison, not a guarantee of rider fit.

Wheelbase / length

65.7% 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 28.5 in (725 mm) combined beyond the axle-to-axle distance.

Bounding-box footprint

About 16.6 sq ft (1.54 m²), calculated from listed overall length × width. Useful for rough storage planning.

How its dimensions compare

Compared with other Honda models in the same Bikez category where enough usable data is available.

Dimension This model Category median Difference
Overall length 83.3 in (2,115 mm) 80.7 in (2,050 mm) 2.6 in above median
Width 28.7 in (730 mm) 30.4 in (772 mm) 1.7 in below median
Height 43.5 in (1,105 mm) 43.7 in (1,110 mm) 0.2 in below median
Wheelbase 54.7 in (1,390 mm) 54.2 in (1,378 mm) 0.5 in above median
Seat height 31.3 in (795 mm) 30.7 in (780 mm) 0.6 in above median

Honda CB 400N dimensions by year

Year Length Width Height Wheelbase Seat height Ground clearance
1978 83.3 in (2,115 mm) 28.7 in (730 mm) 43.5 in (1,105 mm) 54.7 in (1,390 mm) 31.3 in (795 mm)

Honda CB 400N dimensions FAQ

Is the Honda CB 400N seat height low or tall?

The representative seat height is 31.3 in (795 mm), which is one of the highest seat heights in its category. 0.6 in above the category median.

Does the Honda CB 400N have a short or long wheelbase?

The representative wheelbase is 54.7 in (1,390 mm), giving the Honda CB 400N a wheelbase around the category middle. 0.5 in above the category median. The wheelbase is about 65.7% of overall length.

Is the Honda CB 400N compact or large?

The representative overall length is 83.3 in (2,115 mm), making the Honda CB 400N longer than most comparable Honda models. 2.6 in above the category median. Its rough length × width storage footprint is about 16.6 sq ft (1.54 m²).

What do the Honda CB 400N width and height suggest?

Its representative width is 28.7 in (730 mm) and representative height is 43.5 in (1,105 mm). The width is very narrow for its category. The height is around typical category height.