Kawasaki Z 125 (EURO 4/5) (2019) — Specs

Identity

Manufacturer: Kawasaki

Model: Z 125 (EURO 4/5)

Category: Motorcycle

Type: Motorcycle

Years: 2019 →

Engine

Displacement (cc): 125

Cylinders: 1

Power (hp): 15

Power (kW): 11

Torque (Nm): 9.6

Dimensions

Overall length: 1950 mm

Overall width: 720 mm

Overall height: 1110 mm

Wheelbase: 1340 mm

Ground clearance: 150 mm

Weight (kg): 146

Seat height (mm): 815

Tank (L): 11

Tires

Front tire: 100/80-17

Rear tire: 130/70-17

Front pressure (bar): 2

Rear pressure (bar): 2.3

Drivetrain

Drive chain: 420 chain

Sprockets (front / rear): 16 / 56

Ignition

Spark plug: NGK LMAR8G

Plug gap: 0.7-0.8 mm

Fluids & Filters

Engine oil: SAE10W-40, API SG

Engine oil (with filter, L): 0.93

Engine oil (without filter, L): 0.85

Oil filter: Hiflofiltro HF112

Air filter: Hiflofiltro HFA2202

Coolant (L): 0.7

Brake fluid: DOT 4

Fuel consumption

Estimated: 2.6 L/100 km

Estimated range: ~423 km on a full tank (11.0 L)

Note: real-world ±15-30% depending on riding style

Service

Battery: YTX7L-BS

Service interval (km): 6000

Service interval (months): 12

Valve check (km): 12000

Parts and consumables for this motorcycle

Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.

Service notes

Service interval: every 6,000 km or 12 months, whichever comes first. Valve clearance check every 12,000 km. Engine oil: oil grade SAE10W-40, API SG, 0.93 L with filter change, 0.85 L without filter change. Spark plug: NGK LMAR8G (gap 0.7-0.8 mm). Brake fluid: DOT 4. Coolant capacity: 0.7 L. Chain: chain, sprockets 16/56 teeth. Tire pressure: front 2 bar, rear 2.3 bar (cold). Tire size: front 100/80-17, rear 130/70-17. Always confirm critical values with the workshop manual or an authorised dealer.

OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.

Engine oil

Spec: SAE 10W-40, 1.7 L (with filter)

OEM OEM recommended engine oil (SAE 10W-40)
Premium Motul 7100 4T (100% Synthetic, Ester)
Premium Motul 5100 4T Technosynthese (Semi-Synthetic)

Which Motul for this bike?

	Motul 7100 4T ✓	Motul 5100 4T
Product	Motul 7100 4T — 100% fully synthetic	Motul 5100 4T — semi-synthetic
Best for	Sport, Naked, Adventure (600cc+), track	Standard, Cruiser, Scooter, daily use
RPM protection	Excellent — ester base, stable under load	Good — for normal riding conditions

Standard Repsol Moto Racing 4T (Synthetic)
Standard Elf Moto 4 Tech (Semi-Synthetic)

Fully Synthetic vs Semi-Synthetic

	Fully Synthetic	Semi-Synthetic
Base oil	100% chemical synthesis (ester or PAO)	Mineral oil + synthetic additives
Heat resistance	Excellent — stable at extreme heat & RPM	Good — suitable for normal temperatures
Cold start	Better — reaches engine faster when cold	Good — adequate for normal climates
Change interval	Longer (up to 10,000 km)	Shorter (5,000–7,000 km typical)
Price	Higher	Lower

Oil filter

Spec: Hiflofiltro HF112

Premium Hiflofiltro HF112
Premium K&N KN-112

Air filter

Spec: Hiflofiltro HFA2202

Standard Hiflofiltro HFA2202

Spark plug

Spec: NGK CR9EIA-9, gap 0.7-0.8 mm

OEM NGK CR9EIA-9
Premium NGK CR9EIA-9
Standard NGK CR9EIA-9

Front brake pads

Spec: OEM front pad (EBC equivalent: FA197HH)

Premium EBC FA197HH
Standard EBC FA197 (organic)

Rear brake pads

Spec: OEM rear pad (EBC equivalent: FA192HH)

Premium EBC FA192HH
Standard EBC FA192 (organic)

Drive chain

Spec: chain | Sprockets 16/56 teeth

Front tire

Spec: 100/80-17, 2.0 bar

OEM OEM 100/80-17

Rear tire

Spec: 130/70-17, 2.3 bar

OEM OEM 130/70-17

Battery

Spec: OEM battery: Yuasa YTX7L-BS

Premium Yuasa YTX5L-BS

Brake fluid

Spec: DOT 4

Standard TotalEnergies HBF4

Coolant

Spec: 0.70 L coolant capacity

Service interval

Spec: 6 000 km / 12 months

OEM Engine oil + oil filter change
OEM Air filter inspection
OEM Spark plug check
OEM Brake fluid replacement: every 2 years

Valve check

Spec: 12 000 km

Suspension

Spec: 37 mm telescopic fork

OEM Fork: 37 mm telescopic fork