Hyosung SF 50 RACING (2005–2010) — Specs
Identity
Manufacturer: Hyosung
Model: SF 50 RACING
Category: Scooter
Type: Scooter
Years: 2005 → 2010
Engine
Displacement (cc): 49
Cylinders: 1
Power (hp): 3.5
Power (kW): 2.6
Dimensions
Overall length: 2110 mm
Overall width: 760 mm
Overall height: 1090 mm
Wheelbase: 1430 mm
Ground clearance: 165 mm
Weight (kg): 93
Seat height (mm): 750
Tank (L): 4.3
Tires
Front tire: 100/80-14
Rear tire: 120/70-14
Ignition
Spark plug: NGK BR8HSA
Plug gap: 0.6 mm
Fluids & Filters
Engine oil (without filter, L): 1
Oil filter: OEM oil filter
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~172 km on a full tank (4.3 L)
Service
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 L without filter change. Spark plug: NGK BR8HSA (gap 0.6 mm). Brake fluid: DOT 4. Tire size: front 100/80-14, rear 120/70-14. 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: nan, 1.0 L (without 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
- OEM OEM oil filter
- Premium Hiflofiltro – check by VIN at hiflofiltro.com
Spark plug
Spec: NGK BR8HSA, gap 0.6 mm
- OEM NGK BR8HSA
- Premium NGK BR8HIX
Front brake pads
- OEM OEM front brake pads
- Premium Brembo Z04 / SC
Rear brake pads
- OEM OEM rear brake pads
- Premium Brembo SP
Front tire
Spec: 100/80-14
- OEM OEM 100/80-14
- Premium Michelin City Grip 2
Rear tire
Spec: 120/70-14
- OEM OEM 120/70-14
- Premium Pirelli Angel Scooter
Brake fluid
Spec: DOT 4
- OEM OEM recommended brake fluid (DOT 4)
- Premium Motul RBF 600 / 660
Coolant
- OEM OEM recommended coolant
- Premium Motul Motocool Factory Line
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
Air filter
- OEM OEM air filter (consult workshop manual)
- Premium K&N Replacement Air Filter
- Premium DNA High Performance
- Standard Hiflofiltro air filter – check by VIN
- Standard Champion CAF
Battery
- OEM OEM battery specification
- Premium Yuasa YTX5L-BS or YT4B-BS (typical 50-125cc)
- Premium Motobatt Quadflex
- Standard Exide AGM
- Standard Varta Powersports
