The Honda C90 K3 motorcycle dimensions for 1978 is length 72 in (1,830 mm), width 25.2 in (640 mm), height 39.2 in (995 mm), wheelbase 46.9 in (1,190 mm), seat height 31.1 in (790 mm), and the ground clearance is 5.1 in (130 mm).
Honda C90 K3 dimensions at a glance
Dimension charts
Position within similar Honda models
Representative dimensions shown within the observed range for comparable Honda models in the same category.
Compared with the category median
Percentile and median comparisons use the same comparable Honda model group.
Useful dimension ratios
Seat height feel
About 31.1 in — a seat height around the category middle. This is a geometry comparison, not a guarantee of rider fit.
Wheelbase / length
65% 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 25.2 in (640 mm) combined beyond the axle-to-axle distance.
Bounding-box footprint
About 12.6 sq ft (1.17 m²), calculated from listed overall length × width. Useful for rough storage planning.
Clearance / wheelbase
10.9%. A simple ratio showing listed ground clearance relative to wheelbase.
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 | 72 in (1,830 mm) | 82.7 in (2,100 mm) | 10.6 in below median |
| Width | 25.2 in (640 mm) | 30.5 in (776 mm) | 5.3 in below median |
| Height | 39.2 in (995 mm) | 44.9 in (1,140 mm) | 5.7 in below median |
| Wheelbase | 46.9 in (1,190 mm) | 57.5 in (1,460 mm) | 10.6 in below median |
| Seat height | 31.1 in (790 mm) | 30.7 in (780 mm) | 0.4 in above median |
| Ground clearance | 5.1 in (130 mm) | 5.7 in (145 mm) | 0.6 in below median |
Honda C90 K3 dimensions by year
| Year | Length | Width | Height | Wheelbase | Seat height | Ground clearance |
|---|---|---|---|---|---|---|
| 1978 | 72 in (1,830 mm) | 25.2 in (640 mm) | 39.2 in (995 mm) | 46.9 in (1,190 mm) | 31.1 in (790 mm) | 5.1 in (130 mm) |
Honda C90 K3 dimensions FAQ
Is the Honda C90 K3 seat height low or tall?
The representative seat height is 31.1 in (790 mm), which is a seat height around the category middle. 0.4 in above the category median.
Does the Honda C90 K3 have a short or long wheelbase?
The representative wheelbase is 46.9 in (1,190 mm), giving the Honda C90 K3 a very short wheelbase for its category. 10.6 in below the category median. The wheelbase is about 65% of overall length.
How much ground clearance does the Honda C90 K3 have?
The representative ground clearance is 5.1 in (130 mm), which is very low ground clearance for its category. 0.6 in below the category median.
Is the Honda C90 K3 compact or large?
The representative overall length is 72 in (1,830 mm), making the Honda C90 K3 very compact for its category. 10.6 in below the category median. Its rough length × width storage footprint is about 12.6 sq ft (1.17 m²).
What do the Honda C90 K3 width and height suggest?
Its representative width is 25.2 in (640 mm) and representative height is 39.2 in (995 mm). The width is very narrow for its category. The height is very low overall for its category.
What is the main dimension takeaway for the Honda C90 K3?
The main listed figures are overall length 72 in (1,830 mm), wheelbase 46.9 in (1,190 mm), seat height 31.1 in (790 mm), and ground clearance 5.1 in (130 mm). Its clearance-to-wheelbase ratio is about 10.9%, which is a simple way to relate ground clearance to the bike’s axle spacing.