Hyosung ST 700I (2011) — Specs

Identity
Manufacturer: Hyosung
Model: ST 700I
Category: Motorcycle
Type: Motorcycle
Years: 2011 →
Engine
Displacement (cc): 678
Cylinders: 2
Power (hp): 63
Power (kW): 46
Dimensions

Overall length: 2110 mm
Overall width: 760 mm
Overall height: 1090 mm
Wheelbase: 1430 mm
Ground clearance: 165 mm
Weight (kg): 244
Seat height (mm): 675
Tank (L): 17
Tires
Front pressure (bar): 2
Rear pressure (bar): 2.25
Drivetrain
Final drive: Toothed belt
Ignition
Spark plug: NGK CR8E
Plug gap: 0.6 mm
Fluids & Filters
Engine oil: SAE10W-40, API SL
Engine oil (without filter, L): 3
Oil filter: Hiflofiltro HF681
Coolant (L): 1.6
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~354 km on a full tank (17.0 L)
Service
Service interval (km): 10000
Service interval (months): 12
Valve check (km): 24000
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 10,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Valve clearance — intake cold 0.10-0.20 mm, exhaust cold 0.20-0.30 mm. Engine oil: oil grade SAE10W-40, API SL, 3 L without filter change. Spark plug: NGK CR8E (gap 0.6 mm). Brake fluid: DOT 4. Coolant capacity: 1.6 L. Chain: toothed belt. Tire pressure: front 2 bar, rear 2.25 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: SAE10W-40, API SL, 3.0 L (without filter)
- OEM OEM recommended engine oil (SAE 10W-40)
- Premium Motul 7100 4T (100% Synthetic, Ester)
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 HF681
- Premium Hiflofiltro HF681
Spark plug
Spec: NGK CR8E, gap 0.6 mm
- OEM NGK CR8E
- Premium NGK CR8EIX
Front brake pads
Rear brake pads
Front tire
Spec: 2.0 bar
Rear tire
Spec: 2.25 bar
Brake fluid
Spec: DOT 4
Coolant
Spec: 1.60 L coolant capacity
Service interval
Spec: 10 000 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: 24 000 km
- OEM Intake clearance: cold 0.10-0.20 mm
- OEM Exhaust clearance: cold 0.20-0.30 mm
Suspension
Spec: telescopic fork
- OEM Fork: telescopic fork
Air filter
Drive chain
Battery
- Premium Yuasa YTX12-BS or YTZ10S (typical 500-750cc)
