The Yamaha YB-1 Four motorcycle dimensions for 2002 is length 70.3 in (1,785 mm), width 25.8 in (655 mm), height 37.8 in (960 mm), wheelbase 46.9 in (1,190 mm), seat height 29.3 in (745 mm), and the ground clearance is 5.1 in (130 mm).
Yamaha YB-1 Four 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.
Useful dimension ratios
Seat height feel
About 29.3 in — a very low seat height for its category. This is a geometry comparison, not a guarantee of rider fit.
Wheelbase / length
66.7% 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 23.4 in (595 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 Yamaha models in the same Bikez category where enough usable data is available.
| Dimension | This model | Category median | Difference |
|---|---|---|---|
| Overall length | 70.3 in (1,785 mm) | 81.7 in (2,075 mm) | 11.4 in below median |
| Width | 25.8 in (655 mm) | 32.1 in (815 mm) | 6.3 in below median |
| Height | 37.8 in (960 mm) | 44.5 in (1,130 mm) | 6.7 in below median |
| Wheelbase | 46.9 in (1,190 mm) | 55.3 in (1,405 mm) | 8.5 in below median |
| Seat height | 29.3 in (745 mm) | 31.9 in (810 mm) | 2.5 in below median |
| Ground clearance | 5.1 in (130 mm) | 5.5 in (140 mm) | 0.4 in below median |
Yamaha YB-1 Four dimensions by year
| Year | Length | Width | Height | Wheelbase | Seat height | Ground clearance |
|---|---|---|---|---|---|---|
| 2002 | 70.3 in (1,785 mm) | 25.8 in (655 mm) | 37.8 in (960 mm) | 46.9 in (1,190 mm) | 29.3 in (745 mm) | 5.1 in (130 mm) |
Yamaha YB-1 Four dimensions FAQ
Is the Yamaha YB-1 Four seat height low or tall?
The representative seat height is 29.3 in (745 mm), which is a very low seat height for its category. 2.5 in below the category median.
Does the Yamaha YB-1 Four have a short or long wheelbase?
The representative wheelbase is 46.9 in (1,190 mm), giving the Yamaha YB-1 Four a very short wheelbase for its category. 8.5 in below the category median. The wheelbase is about 66.7% of overall length.
How much ground clearance does the Yamaha YB-1 Four have?
The representative ground clearance is 5.1 in (130 mm), which is very low ground clearance for its category. 0.4 in below the category median.
Is the Yamaha YB-1 Four compact or large?
The representative overall length is 70.3 in (1,785 mm), making the Yamaha YB-1 Four very compact for its category. 11.4 in below the category median. Its rough length × width storage footprint is about 12.6 sq ft (1.17 m²).
What do the Yamaha YB-1 Four width and height suggest?
Its representative width is 25.8 in (655 mm) and representative height is 37.8 in (960 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 Yamaha YB-1 Four?
The main listed figures are overall length 70.3 in (1,785 mm), wheelbase 46.9 in (1,190 mm), seat height 29.3 in (745 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.