Kawasaki KFX 250 MOJAVE (US-MODELL: KSF250) (1989–2004) — Specs

Identity
Manufacturer: Kawasaki
Model: KFX 250 MOJAVE (US-MODELL: KSF250)
Category: ATV/Quad
Type: ATV/Quad
Years: 1989 → 2004
Engine
Displacement (cc): 249
Cylinders: 1
Power (hp): 25
Power (kW): 18
Torque (Nm): 23
Dimensions

Overall length: 2070 mm
Overall width: 770 mm
Overall height: 1130 mm
Wheelbase: 1395 mm
Ground clearance: 155 mm
Weight (kg): 172
Tank (L): 8.3
Tires
Front tire: 21x7-10
Rear tire: 20x10-9
Front pressure (bar): 0.25
Rear pressure (bar): 0.21
Drivetrain
Drive chain: 428 chain, 90 links
Sprockets (front / rear): 12 / 43
Ignition
Spark plug: NGK DPR8EA-9
Plug gap: 0.8-0.9 mm
Fluids & Filters
Engine oil: SAE10W-40, API SF
Engine oil (with filter, L): 2
Engine oil (without filter, L): 1.8
Oil filter: OEM oil filter
Air filter: OEM air filter
Coolant (L): 1.45
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~276 km on a full tank (8.3 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. Engine oil: oil grade SAE10W-40, API SF, 2 L with filter change, 1.8 L without filter change. Spark plug: NGK DPR8EA-9 (gap 0.8-0.9 mm). Brake fluid: DOT 4. Coolant capacity: 1.45 L. Chain: 90 links, sprockets 12/43 teeth. Tire pressure: front 0.25 bar, rear 0.21 bar (cold). Tire size: front 21x7-10, rear 20x10-9. 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: SAE10W-40, API SF, 2.0 L (with filter), 1.8 L (without filter)
- OEM OEM recommended engine oil (SAE 10W-40)
- Premium Motul 7100
- Premium Motul 5100
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
- Standard Elf Moto 4 Tech
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
Air filter
Spark plug
Spec: NGK DPR8EA-9, gap 0.8-0.9 mm
- OEM NGK DPR8EA-9
- Premium NGK DPR8EAIX-9
- Standard NGK DPR8EA-9
Front brake pads
Rear brake pads
Drive chain
Spec: 90 links | Sprockets 12/43 teeth / 90 links
- OEM OEM chain (pitch 520 (or 428 for some commuter 250s))
Front tire
Spec: 21x7-10, 0.25 bar
- OEM OEM 21x7-10
Rear tire
Spec: 20x10-9, 0.21 bar
- OEM OEM 20x10-9
Battery
- Premium Yuasa YTX7L-BS or YTX7A-BS (typical 125-250cc)
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 1.45 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
