Suzuki GSF 400 BANDIT (1991–1995) — Specs
Identity
Manufacturer: Suzuki
Model: GSF 400 BANDIT
Category: Motorcycle
Type: Motorcycle
Years: 1991 → 1995
Engine
Displacement (cc): 398
Cylinders: 4
Power (hp): 50
Power (kW): 37
Dimensions
Overall length: 2100 mm
Overall width: 790 mm
Overall height: 1140 mm
Wheelbase: 1430 mm
Ground clearance: 160 mm
Weight (kg): 190
Seat height (mm): 770
Tank (L): 16
Tires
Front pressure (bar): 2
Rear pressure (bar): 2.5
Drivetrain
Drive chain: 520 chain, 114 links
Sprockets (front / rear): 14 / 46
Ignition
Spark plug: NGK CR8EK
Plug gap: 0.7 mm
Fluids & Filters
Engine oil: SAE10W-40
Engine oil (with filter, L): 2.8
Engine oil (without filter, L): 2.3
Oil filter: Hiflofiltro HF133
Air filter: Hiflofiltro HFA3608
Coolant (L): 1.9
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~400 km on a full tank (16.0 L)
Service
Battery: YTX9-BS
Service interval (km): 6000
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 6,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Valve clearance — intake cold 0.10-0.15 mm, exhaust cold 0.15-0.20 mm. Engine oil: oil grade SAE10W-40, 2.8 L with filter change, 2.3 L without filter change. Spark plug: NGK CR8EK (-92) (gap 0.7 mm). Brake fluid: DOT 4. Coolant capacity: 1.9 L. Chain: 114 links, sprockets 14/46 teeth. Tire pressure: front 2 bar, rear 2.5 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, 2.8 L (with filter), 2.3 L (without filter)
- OEM OEM recommended engine oil (SAE 10W-40)
- 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
Spec: Hiflofiltro HF133
- Premium Hiflofiltro HF133
- Premium K&N KN-133
Air filter
Spec: Hiflofiltro HFA3608
- Standard Hiflofiltro HFA3608
Spark plug
Spec: NGK CR8EK (-92), gap 0.7 mm
- OEM NGK CR8EK
- Premium NGK CR9EK (93-)
- Standard NGK CR8EK
Front brake pads
Spec: OEM front pad (EBC equivalent: FA231HH)
- Premium EBC FA231HH
- Standard EBC FA231 (organic)
Rear brake pads
Spec: OEM rear pad (EBC equivalent: FA174HH)
- Premium EBC FA174HH
- Standard EBC FA174 (organic)
Drive chain
Spec: 114 links | Sprockets 14/46 teeth / 114 links
Front tire
Spec: 2.0 bar
Rear tire
Spec: 2.5 bar
Battery
Spec: OEM battery: Yuasa YTX9-BS
- Premium Yuasa YTX9-BS or YTZ7S (typical 250-500cc)
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 1.90 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: 24 000 km
- OEM Intake clearance: cold 0.10-0.15 mm
- OEM Exhaust clearance: cold 0.15-0.20 mm
Suspension
Spec: 41 mm telescopic fork / 495 ml SAE 10W
- OEM Fork: 41 mm telescopic fork
- OEM Fork oil grade: 495 ml SAE 10W
