What category is the 2018 Kawasaki Z650?

General information
Category	Naked bike
Model	Kawasaki Z650
Year	2018

Engine and Transmission Specifications
Greenhouse gases	103.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption	4.44 litres/100 km (22.5 km/l or 52.98 mpg)
Driveline	Sealed chain
Clutch	Wet multi-disc, manual
Transmission type,final drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Lubrication system	Forced lubrication, semi and #8209;dry sump
Ignition	Digital
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Injection
Bore x Stroke	83.0 x 60.0 mm (3.3 x 2.4 inches)
Compression	10.8:1
Max RPM RPM	12500
Torque	65.70 Nm (6.7 kgf-m or 48.5 ft.lbs) @ 6700 RPM
Power	39.00 HP (28.5 kW) @ 8000 RPM
Engine details	Die-cast aluminium cylinder and lightweight coated pistons
Engine type	Twin, four-stroke
Capacity:	649.00 ccm (39.60 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes diameter	220 mm (8.7 inches)
Rear brakes	Single disc
Front brakes diameter	300 mm (11.8 inches)
Front brakes	Double disc. Floating discs.
Rear tyre	160/70-17
Front tyre	120/70-ZR17
Rear wheel travel	132 mm (5.2 inches)
Rear Suspension	Horizontal Back-link with preload adjustment
Front wheel travel	119 mm (4.7 inches)
Front Suspension	41 mm telescopic fork
Trail	82 mm (3.2 inches)
Rake (fork angle)	26.0°
Frame type	Trellis, high-tensile steel

Physical measures and capacities
Fuel capacity	17.00 litres (4.49 gallons)
Wheelbase	1,410 mm (55.5 inches)
Ground clearance	130 mm (5.1 inches)
Overall width	755 mm (29.7 inches)
Overall length	2,055 mm (80.9 inches)
Overall height	1,080 mm (42.5 inches)
Seat height	790 mm (31.1 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	187.0 kg (412.3 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Electric
Color options	Metallic Flat Raw Titanium/Metallic Spark Black, Metallic Flat Spark Black/Metallic Spark Black, Pearl Flat Stardust White/Metallic Spark Black

Performance Profile & Rider Fit

67.3 hp

Peak Power

0-60 mph

Best For

Track45%

City85%

Cornering78%

Daily Riding82%

Touring40%

Passenger45%

Rider Profile

Best For	Well suited to newer riders and returning riders thanks to its manageable power delivery and light, confidence-inspiring chassis, though the note is this listing is dated 2025 while the requested year is 2026 with presumably unchanged specs.
Purpose	Built as an everyday naked bike for commuting, learning, and spirited weekend rides rather than outright performance or long-distance touring.
Rider Fit	Its low seat height, narrow midsection, and light wet weight make it accessible to shorter and less physically strong riders.
Character	A friendly, revvy parallel-twin street bike that rewards playful riding in town and on twisty backroads without being intimidating.
Not Ideal For	Not the right choice for riders wanting serious highway touring comfort, passenger-friendly long trips, or any genuine off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2018 Kawasaki Z650 Rider Ergonomics Assessment

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Feet:

At 790mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Kawasaki Z650, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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