Derbi GP1 250 I (2008) — Specs
Identity
Manufacturer: Derbi
Model: GP1 250 I
Category: Scooter
Type: Scooter
Years: 2008 →
Engine
Displacement (cc): 244
Cylinders: 1
Power (hp): 20
Power (kW): 14
Torque (Nm): 5
Dimensions
Overall length: 1980 mm
Overall width: 720 mm
Overall height: 1100 mm
Wheelbase: 1340 mm
Ground clearance: 155 mm
Weight (kg): 140
Seat height (mm): 800
Tank (L): 14
Tires
Front tire: 120/70-15
Rear tire: 140/70-14
Front pressure (bar): 1.9
Rear pressure (bar): 2
Drivetrain
Final drive: Belt
Ignition
Spark plug: NGK PMR8B
Plug gap: 0.7 mm
Fluids & Filters
Engine oil: 5W-40, API SJ
Engine oil (with filter, L): 1.2
Oil filter: OEM oil filter
Air filter: Hiflofiltro HFA5206
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~466 km on a full tank (14.0 L)
Service
Service interval (km): 6000
Service interval (months): 12
Valve check (km): 18000
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 18,000 km. Valve clearance — intake cold 0.10 mm, exhaust cold 0.15 mm. Engine oil: oil grade 5W-40, API SJ, 1.2 L with filter change. Spark plug: NGK PMR8B (gap 0.7 mm). Brake fluid: DOT 4. Chain: belt. Tire pressure: front 1.9 bar, rear 2 bar (cold). Tire size: front 120/70-15, rear 140/70-14. 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: 5W-40, API SJ, 1.2 L (with filter)
- OEM OEM recommended engine oil
- Premium Motul 7100
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
Spark plug
Spec: NGK PMR8B, gap 0.7 mm
- OEM NGK PMR8B
- Premium NGK PMR8BIX
Front brake pads
Rear brake pads
Front tire
Spec: 120/70-15, 1.9 bar
- OEM OEM 120/70-15
Rear tire
Spec: 140/70-14, 2.0 bar
- OEM OEM 140/70-14
Brake fluid
Spec: DOT 4
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: 18 000 km
- OEM Intake clearance: cold 0.10 mm
- OEM Exhaust clearance: cold 0.15 mm
Suspension
Spec: 40 mm USD fork / approx. 220 ml 7.5W
- OEM Fork: 40 mm USD fork
- OEM Fork oil grade: approx. 220 ml 7.5W
Air filter
Spec: Hiflofiltro HFA5206
- Standard Hiflofiltro HFA5206
Battery
- Premium Yuasa YTX7L-BS or YTX7A-BS (typical 125-250cc)
