Aprilia AF1-125 FUTURA (1990–1991) — Specs
Identity
Manufacturer: Aprilia
Model: AF1-125 FUTURA
Category: Motorcycle
Type: Motorcycle
Years: 1990 → 1991
Engine
Displacement (cc): 125
Cylinders: 1
Power (hp): 24
Power (kW): 18
Torque (Nm): 13
Dimensions
Overall length: 1950 mm
Overall width: 720 mm
Overall height: 1110 mm
Wheelbase: 1340 mm
Ground clearance: 150 mm
Weight (kg): 114
Tank (L): 16
Tires
Front pressure (bar): 1.8
Rear pressure (bar): 2
Drivetrain
Drive chain: 420 chain, 106 links
Sprockets (front / rear): 16 / 38
Ignition
Spark plug: NGK B10EG
Plug gap: 0.5 mm
Fluids & Filters
Engine oil (without filter, L): 1.5
Oil filter: OEM oil filter
Air filter: OEM air filter
Coolant (L): 0.8
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~533 km on a full tank (16.0 L)
Service
Battery: OEM battery specification
Service interval (km): 3000
Service interval (months): 12
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 3,000 km or 12 months, whichever comes first. Engine oil: 1.5 L without filter change. Spark plug: NGK B10EG (gap 0.5 mm). Brake fluid: DOT 4. Coolant capacity: 0.8 L. Chain: 106 links, sprockets 16/38 teeth. Tire pressure: front 1.8 bar, rear 2 bar (cold). 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: nan, 1.5 L (without filter)
- OEM OEM recommended engine oil
- 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 B10EG, gap 0.5 mm
- OEM NGK B10EG
- Premium NGK BR10EIX
- Standard NGK B10EG
Front brake pads
Rear brake pads
Drive chain
Spec: 106 links | Sprockets 16/38 teeth / 106 links
Front tire
Spec: 1.8 bar
Rear tire
Spec: 2.0 bar
Battery
- Premium Yuasa YTX7L-BS or YTX7A-BS (typical 125-250cc)
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 0.80 L coolant capacity
Service interval
Spec: 3 000 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
- OEM 2-stroke engine — no valve check needed
Suspension
Spec: 38 mm / 0.26 LTR. SAE 10W
- OEM Fork: 38 mm
- OEM Fork oil grade: 0.26 LTR. SAE 10W
