2018 Kawasaki Z125 Pro Technical Analysis & Specification Breakdown
Positioned in Kawasaki's naked motorcycle lineup, the 2018 Kawasaki Z125 Pro utilizes a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke layout. Internal engine geometry specifies a bore and stroke of 56.0 x 50.6 mm (2.2 x 2.0 inches) with a 9.8:1 compression ratio.
On the scales, the Z125 Pro measures 102 kg (225 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 805 mm (31.7 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,176 mm (46.3 in) wheelbase engineered for quick, flickable steering geometry. The 7.57-liter (2 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Kawasaki archive, this model family spans 9 indexed model years from 2016 to 2025, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
805 mm (31.7 in)
Engine
Displacement125.0 ccm (7.63 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression9.8:1
Bore x Stroke56.0 x 50.6 mm (2.2 x 2.0 inches)
Valves/Cylinder2
Fuel SystemInjection. DFI® with 24mm throttle bodies
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionTCBI w/electronic advance
CoolingAir
Transmission
Gearbox4-speed
Final DriveChain (final drive)
DrivelineSealed chain
Chassis
Frame TypeBackbone
Rake26.0°
Trail69 mm (2.7 inches)
Front SuspensionTelescopic fork
Front Travel99 mm (3.9 inches)
Rear SuspensionSwingarm, single shock
Rear Travel104 mm (4.1 inches)
Wheelbase1176 mm (46.3 inches)
Ground Clearance155 mm (6.1 inches)
Wheels & Brakes
Front Tyre100/90-12
Rear Tyre120/70-12
Front BrakesSingle disc. Petal style disc
Front Brake Ø200 mm (7.9 inches)
Rear BrakesSingle disc. Petal style disc
Rear Brake Ø184 mm (7.2 inches)
Dimensions & Weight
Weight incl.102.0 kg (224.8 pounds)
Seat Height805 mm (31.7 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
