Honda SW-T400 (FJS 400) (2009–2016) — Specs

Identity
Manufacturer: Honda
Model: SW-T400 (FJS 400)
Category: Scooter
Type: Scooter
Years: 2009 → 2016
Engine
Displacement (cc): 399
Cylinders: 2
Power (hp): 39
Power (kW): 29
Dimensions

Overall length: 2240 mm
Overall width: 770 mm
Overall height: 1430 mm
Wheelbase: 1595 mm
Ground clearance: 130 mm
Weight (kg): 247
Seat height (mm): 740
Tank (L): 16
Tires
Front tire: 120/70-15
Rear tire: 160/60-15
Front pressure (bar): 2
Rear pressure (bar): 2.25
Ignition
Spark plug: NGK CR8EH-9
Plug gap: 0.9 mm
Fluids & Filters
Engine oil: SAE10W-30, API SG
Engine oil (with filter, L): 2.2
Engine oil (without filter, L): 2
Oil filter: OEM oil filter
Air filter: OEM air filter
Coolant (L): 2.6
Brake fluid: DOT 4
Fuel consumption
Estimated: 4.5 L/100 km
Estimated range: ~355 km on a full tank (16.0 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: OEM battery specification
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 0.16 mm, exhaust cold 0.22 mm. Engine oil: oil grade SAE10W-30, API SG, 2.2 L with filter change, 2 L without filter change. Spark plug: NGK CR8EH-9 (gap 0.9 mm). Brake fluid: DOT 4. Coolant capacity: 2.6 L. Tire pressure: front 2 bar, rear 2.25 bar (cold). Tire size: front 120/70-15, rear 160/60-15. 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-30, API SG, 2.2 L (with filter), 2.0 L (without filter)
- OEM OEM recommended engine oil (SAE 10W-30)
- Premium Motul 7100 4T (100% Synthetic, Ester)
- Premium Motul 5100 4T Technosynthese (Semi-Synthetic)
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 (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
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 CR8EH-9, gap 0.9 mm
- OEM NGK CR8EH-9
- Premium NGK CR8EHIX-9
- Standard NGK CR8EH-9
Front brake pads
Spec: EBC SFA388HH
- Premium EBC SFA388HH
Rear brake pads
Spec: EBC SFA388HH
- Premium EBC SFA388HH
Front tire
Spec: 120/70-15, 2.0 bar
- OEM OEM 120/70-15
Rear tire
Spec: 160/60-15, 2.25 bar
- OEM OEM 160/60-15
Battery
- Premium Yuasa YTZ14S
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 2.60 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: 18 000 km
- OEM Intake clearance: cold 0.16 mm
- OEM Exhaust clearance: cold 0.22 mm
Suspension
Spec: 41 mm telescopic fork
- OEM Fork: 41 mm telescopic fork
