Adjust the fitLowering kit, bar risers, rearsets — see how mods change your posture›
What-if only — simulates common aftermarket changes, not the stock bike.
Seat height785 mm
Forward lean8°
Knee angle88°
Hip angle107°
Data confidence: HighWhoever opens it sees your size and fit adjustments on this bike.
The Kawasaki Z400 (2019–23) has a 785 mm (30.9 in) seat height and a 1370 mm wheelbase. For an average 175 cm rider that works out to about 8° of forward lean with the knees bent to about 88°, and that rider can get both feet flat on the ground. See the riding-position diagram above, and enter your own height and inseam to see your fit. The Kawasaki Z400 (2019–23) is LAMS-approved (learner-legal to ride in Australia).
The Kawasaki Z400 (2019–23) in the real world
The Z400 is the Ninja 400 with the fairing swapped for a flat, wide handlebar — and for a lot of learners that trade is the right one. The upright bar takes every gram of weight off your wrists, the 785 mm seat is low and slim, and at roughly 167 kg the whole package is one of the least intimidating motorcycles you can stop on a hill. It’s a bike that makes low-speed work — U-turns, car parks, filtering — feel like a pushbike.
Because it shares its platform with one of the most-sold learner bikes in Australia, there’s a deep well of owner consensus: the ergonomics are friendly to the point of vanishing, the seat is adequate rather than plush, and taller riders eventually notice the compact seat-to-peg distance the same way they do on every small naked. It has since been replaced by the Z500 in showrooms, but the huge used fleet keeps it a first-bike staple.
Who the Z400 fits
A top pick for riders 160–175 cm: low seat, slim waist, feather weight and zero wrist load.
The wide bar gives confident low-speed steering — noticeably easier car-park manners than clip-on equipped bikes of the same size.
Riders over ~183 cm fit but sit knees-high; it’s fine for the commute, tiring on day rides.
Fit is effectively identical to the Ninja 400 apart from the bar — if you’ve sat on one, you know both; the newer Z500 also carries the same basic triangle.
Common fit & comfort changes
Taller / comfort seat — Adds padding and a little knee room — the standard fix for taller Z400 owners.
Handlebar risers — Rarely needed given the already-upright stance, but available for riders who want the bar even closer on long commutes.
Lowering links — Exist, but few riders need them at 785 mm — check your reach above first; most short riders already touch down securely.
Most of these can be previewed on your own body with the “Adjust the fit” sliders in the simulator above.
The Kawasaki Z400 (2019–23) has a seat height of 785 mm (30.9 inches).
Can a 175 cm rider flat-foot the Kawasaki Z400 (2019–23)?
On its 785 mm seat, a 175 cm rider (about 80 cm inseam) can typically get both feet flat on the ground on the Kawasaki Z400 (2019–23). Taller or shorter riders differ — use the simulator to check your own ground reach.
What is the riding position of the Kawasaki Z400 (2019–23)?
For an average 175 cm rider, the Kawasaki Z400 (2019–23) riding position (also called the seating position) works out to about 8° of forward lean with a 88° knee bend. See the riding-position diagram to judge the posture for your own body size.
Is the Kawasaki Z400 (2019–23) LAMS-approved?
Yes — the Kawasaki Z400 (2019–23) is LAMS-approved, so it is legal for learner and provisional riders in Australia.
Is the Kawasaki Z400 a good first bike for short riders?
One of the best. The 785 mm seat is slim where your legs pass it, the bike weighs about 167 kg, and the wide bar makes slow-speed balancing easy. Riders around 160 cm usually manage at least a firm balls-of-feet stop — enter your inseam above to see your own result.
What’s the difference between the Z400 and Ninja 400 riding position?
The seat and pegs are the same; the Z400’s flat handlebar sits higher and closer than the Ninja’s clip-ons, giving a fully upright back and unloaded wrists. Pick the Ninja for the sport look and wind protection, the Z for the more relaxed posture.
Seat height & wheelbase come straight from the manufacturer’s published specs, verified across the maker’s site, media reviews and spec databases.
Handlebar & footpeg positions aren’t published by any manufacturer. Where a true side-profile photo exists, we mark five reference points on it (front & rear axle, seat, grip, peg) and convert pixels to millimetres using the known wheelbase as the scale. Where it doesn’t, we research the grip and peg heights and estimate the horizontal reach from class-typical geometry.
Every result is cross-checked against how reviewers describe the bike’s posture (upright / sporty / committed), and each bike page carries a data-confidence badge so you can see how solid its numbers are.
The drawing is a clean schematic — one shared template per bike type (naked, sport, cruiser, adventure, touring, dirt), anchored to each bike’s real seat, grip and peg coordinates — so you compare riding positions, not paint jobs.
Your figure is a stick model built from your height and inseam using standard body-proportion ratios, then posed by inverse kinematics — hips on the seat, hands on the bars, feet on the pegs — with the same posture solver for every bike.
Bottom line: seat height & wheelbase are hard data; handlebar/footpeg geometry and ground reach are calibrated estimates (see each bike’s data-confidence badge). Always sit on the real bike before you buy.