Kawasaki Z 250 LTD (1-ZYLINDER) (1981–1982) — Specs
Identity
Manufacturer: Kawasaki
Model: Z 250 LTD (1-ZYLINDER)
Category: Motorcycle
Type: Motorcycle
Years: 1981 → 1982
Engine
Displacement (cc): 246
Cylinders: 1
Power (hp): 17
Power (kW): 13
Torque (Nm): 21
Dimensions
Overall length: 2070 mm
Overall width: 770 mm
Overall height: 1130 mm
Wheelbase: 1395 mm
Ground clearance: 155 mm
Tank (L): 9.3
Tires
Front tire: 110/70-17
Rear tire: 140/70-17
Front pressure (bar): 1.8
Rear pressure (bar): 2
Drivetrain
Drive chain: 428 chain, 102 links
Sprockets (front / rear): 15 / 37
Ignition
Spark plug: NGK B7ES
Plug gap: 0.8 mm
Fluids & Filters
Engine oil: 15W50, 20W40
Engine oil (with filter, L): 1.4
Engine oil (without filter, L): 1.1
Oil filter: Hiflofiltro HF303
Air filter: Hiflofiltro HFA5013
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~310 km on a full tank (9.3 L)
Service
Battery: OEM battery specification
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. Valve clearance — intake cold 0.08-0.13 mm, exhaust cold 0.17-0.22 mm. Engine oil: oil grade 15W50, 20W40, 1.4 L with filter change, 1.1 L without filter change. Spark plug: NGK B7ES (gap 0.8 mm). Chain: 102 links, sprockets 15/37 teeth. Tire pressure: front 1.8 bar, rear 2 bar (cold). Tire size: front 110/70-17, rear 140/70-17. 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: 15W50, 20W40, 1.4 L (with filter), 1.1 L (without filter)
- OEM OEM recommended engine oil
- 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 HF303
- Premium Hiflofiltro HF303
- Premium K&N KN-303
Air filter
Spec: Hiflofiltro HFA5013
- Standard Hiflofiltro HFA5013
Spark plug
Spec: NGK B7ES, gap 0.8 mm
- OEM NGK B7ES
- Premium NGK BR7EIX
- Standard NGK B7ES
Front brake pads
Spec: EBC FA068HH
- Premium EBC FA068HH
Rear brake pads
Spec: EBC FA068HH
- Premium EBC FA068HH
Drive chain
Spec: 102 links | Sprockets 15/37 teeth / 102 links
- OEM OEM chain (pitch 520 (or 428 for some commuter 250s))
Front tire
Spec: 110/70-17, 1.8 bar
- OEM OEM 110/70-17
Rear tire
Spec: 140/70-17, 2.0 bar
- OEM OEM 140/70-17
Battery
- Premium Yuasa YTX7L-BS or YTX7A-BS (typical 125-250cc)
Brake fluid
- Standard TotalEnergies HBF4
Coolant
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
- OEM Intake clearance: cold 0.08-0.13 mm
- OEM Exhaust clearance: cold 0.17-0.22 mm
Suspension
Spec: 32 mm / 130 CM3 SAE 5W20
- OEM Fork: 32 mm
- OEM Fork oil grade: 130 CM3 SAE 5W20
