2015–2016 · Naked Bike · Buyer's Guide
Featherweight City Carver
Kawasaki built the Z250SL around one idea: take the weight out and let everything else follow. A 249 cc liquid-cooled single making 28 hp at 9,700 rpm and 17 lb-ft at 8,200 rpm sits in a compact chassis, wet weight lands at 324 lb, and the seat is 30.9 in off the ground. Six speeds, chain drive, a 290 mm front disc, 17-inch rubber at both ends. ABS was an option here rather than standard fitment, so confirm what any given bike actually has. In its class this is the small naked that trades output for agility and never pretends otherwise.
Ridden the way it wants to be ridden, it's a rev-and-flow machine. Keep the single spinning and it carries real momentum down a back road. Short-shift it and it goes flat. That's the deal at this displacement, and Kawasaki was honest about it. On tight, technical roads and in town it feels genuinely quick, because placing it never costs you any effort. The honest caveat is highway work: with 95 mph on tap, long interstate stretches at 75 mph are the one place the bike feels small. Mechanically it holds up well, and at 67 mpg the running costs stay close to nothing.
Spec sheets don't ride bikes, but they set the baseline.
| Power | 28 hp (21 kW) @ 9,700 rpm |
|---|---|
| Torque | 17 lb-ft (23 Nm) @ 8,200 rpm |
| Displacement | 249 cc |
| Engine | Single-cylinder |
| Cooling | Liquid-cooled |
| Gearbox | 6-speed |
| Final drive | Chain |
| Fork | Telescopic |
| Front brake | 290 mm |
| Front tire | 100/80-17 |
| Rear tire | 130/70-17 |
| Seat height | 30.9 in (785 mm) |
| Wet weight | 324 lb (147 kg) |
| Fuel capacity | 2.9 gal (11 L) |
| Top speed | 95 mph (153 km/h) |
| Fuel economy | 67 mpg (US) |
Equipment check
Chassis
Safety
What follows isn't my own test ride. It's what I've heard from riders over the years: conversations in paddocks, chats with owners at club nights, and the messages that land in my inbox from people living with the bike. On the Z250SL the chatter runs unusually consistent, and it splits cleanly between how the thing rides and what it doesn't give you.
The praise starts with the handling. Riders of every experience level describe it as flickable and easy to steer, and that comes up again and again. Close behind is the engine: owners talk about a single that pulls willingly from low revs and stays smooth further up than they expected. Reliability is the third recurring theme. People report bikes that hold together with only small annoyances, which is not a given at this money. Brake feel gets steady credit too, enough that riders trust the front under braking into a corner, and nobody complains about what it costs to fill up.
The complaints cluster in one place. A missing gear indicator is the one new owners mention most, and the dash generally reads as thin to them: essential numbers, little else. Some also find that parts and accessories are simply hard to come by.
Sudden electrical shutdown
A blown main fuse or a faulty tip-over sensor can cause the entire electrical system to die while riding. A forum-documented case traced the issue to a poorly angled tip-over sensor, but the root cause is not fully understood.
Rear suspension linkage seizing
Some owners report that the rear suspension linkage bearings seize and the seals crack, leading to a harsh ride and potential handling degradation. Regular greasing is recommended to prevent this.
Clutch cable guide bolt loosening
The small screw that anchors the clutch‑cable guide can vibrate loose, causing the clutch cable to twist and rendering the clutch inoperative. A simple visual inspection and a drop of thread‑locker fixes the problem.
Where this Kawasaki Z250SL pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.
Power
Torque
Displacement
Wet weight
Top speed
Seat height
Forget spec-sheet bragging. Here's who the Z250SL is actually built for.
This is a bike for learning exactly where your front tire is. It rewards line choice and smoothness over horsepower on the Dragon and the Cherohala. The interstate run in from Atlanta is the part you endure.
Made for Back of the Dragon · Blue Ridge Parkway · Cherohala Skyway
Skyline and the ridge roads suit it exactly, and it's a relief in city traffic the rest of the week. Plan the freeway legs of your day, because that's where this small single is working hardest.
Made for Bay Area Ridge Roads · San Francisco / Bay Area · Skyline Boulevard / Alice's Restaurant
On Angeles Crest it flatters your technique rather than your speed. If you're used to chasing bigger bikes uphill, 28 hp will wear thin fast. If you want a precision tool for cheap, it's honest value.
Made for Angeles Crest Highway · Coronado Trail / US 191 · Highway 1 / Big Sur
If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.
