Kawasaki · Naked

Kawasaki Z650 S specifications

Kawasaki · Naked

The engine is a 649cc twin with an 83.0 x 60.0 mm bore and stroke and 10.8:1 compression, making 67.0 hp at 8,000 rpm and 47.2 lb-ft at 6,700. The frame is a high-tensile steel trellis, the wheelbase is 55.5 in with 24.0 degrees of rake and 3.9 in of trail. The fork gives 4.9 in of travel with 5.1 in at the back.

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Kawasaki Z650 S

Kawasaki Z650 S
Specification	Value
Model year	2026
Class	Naked
Engine	4-stroke, 2-cylinder, DOHC, liquid-cooled
Displacement	649cc
Bore x stroke	83.0x60.0mm
Compression ratio	10.8:1
Transmission	6-speed, return shift
Front suspension	41mm telescopic fork
Front suspension travel	4.9 in
Rear suspension travel	5.1 in
Front brake	Dual 300mm semi-floating discs with two-piston calipers (and ABS)
Rear brake	Single 220mm disc (and ABS)
Front tire	120/70-17
Rear tire	160/60-17
Seat height	31.7 in
Wheelbase	55.5 in
Rake (caster angle)	24.0°
Trail	3.9 in
Fuel capacity	4.0 gal
Ground clearance	5.1 in
Starting MSRP	$7,699
Destination charge	$685
Final drive	Sealed chain
Fuel system	DFI with Keihin 36mm throttle bodies
Rear suspension	Horizontal back-link with adjustable preload, swingarm
Wet weight (curb)	416.7 lb
Maximum horsepower	67.0 hp
Maximum horsepower (at rpm)	8,000 rpm
Maximum torque	47.2 lb-ft
Maximum torque (at rpm)	6,700 rpm
Ignition	TCBI with Electronic Advance
Frame	Trellis, high tensile steel
Length x width x height	80.9x31.7x42.5 in
Estimated dry weight (dry)	374.9 lb

The brakes are dual 300 mm semi-floating front discs with two-piston calipers and a 220 mm rear, all with ABS. The bike weighs 416.7 lb curb and 374.9 lb dry, and has KTRC traction control and an economical riding indicator.

Z650 against its rivals

At $7,699 it costs $2,100 less than KTM's 790 Duke at $9,799 and $3,200 less than Yamaha's MT-09 at $10,899. It is $900 below Yamaha's MT-07 at $8,599, which is the same price as the XSR700. The Kawasaki weighs 416.7 lb curb against the Yamaha's 403 lb.

Check the chain and tires on a used one, and ask whether the seller changed the seat or the bars.

Z650 against the MT-07 and 790 Duke

Yamaha's MT-07 is the closest twin, and KTM's 790 Duke is the more expensive option.

Kawasaki Z650 S — specification reference

Motorcycle News explains that in biking parlance an S at the end of a name usually signals extra sportiness, then reports that on a 100-mile ride across winding roads, city streets and motorways the riding position proved completely comfortable.

The footpegs are slightly further back, which tips the rider's weight more over the front and boosts connection and feel, and Kawasaki has designed the Z650 S for the younger end of the market, riders stepping up from bikes like the Z125. Corner Speed calls the headline upgrades a wish list Z650 owners have compiled for years: a three-piece LED headlight borrowed from the Z900, a 4.3-inch full-color TFT display and more, and compares the horsepower, top speed, 0-60 time, weight and price against the Yamaha MT-09, Suzuki GSX-8S, Triumph Street Triple 765 and Honda CB750 Hornet.

2026 Kawasaki Z650 S questions

How much horsepower does the Kawasaki Z650 S make?

Kawasaki rates the 649cc twin at 67.0 hp at 8,000 rpm and 47.2 lb-ft at 6,700 rpm, with KTRC traction control and ABS.

What is new on the Z650 S?

Motorcycle News says the S has revised handlebars and footpegs slightly further back. Corner Speed lists a three-piece LED headlight and a 4.3-inch color TFT display.

The Kawasaki Z650 S is Kawasaki's 649cc middleweight naked, rated at 67 hp and 47.2 lb-ft with traction control, ABS and a 4.3 in TFT display. Kawasaki lists a 416.7 lb curb weight, a 31.7 in seat and a 4.0 gal tank, and prices it at $7,699 plus $685 destination.

This model sits $2,300 below the Z900 at $9,999 and $1,300 below the retro-styled Z650RS at $8,999, which shares the engine. At 416.7 lb curb it is close to the Yamaha MT-07's 403 lb wet, though the two figures use different bases. Insurance for a 649cc naked bike is usually moderate. Check the chain and tires on a used one, and ask whether the seller changed the seat or the bars.