Benelli IMPERIALE 400 (EURO 4/EURO 5) (2021) — Specs
Identity
Manufacturer: Benelli
Model: IMPERIALE 400 (EURO 4/EURO 5)
Category: Motorcycle
Type: Motorcycle
Years: 2021 →
Engine
Displacement (cc): 374
Cylinders: 1
Power (hp): 21
Power (kW): 15
Torque (Nm): 29
Dimensions
Overall length: 2170 mm
Overall width: 800 mm
Overall height: 1115 mm
Wheelbase: 1440 mm
Ground clearance: 165 mm
Weight (kg): 205
Seat height (mm): 780
Tank (L): 12
Tires
Front pressure (bar): 2.2
Rear pressure (bar): 2.5
Drivetrain
Drive chain: 520 chain
Ignition
Spark plug: NGK BR7ES left
Plug gap: 0.6-0.7 mm
Fluids & Filters
Engine oil: SAE10W-50, 15W-50, API SJ
Engine oil (with filter, L): 2.5
Oil filter: OEM oil filter
Air filter: OEM air filter
Brake fluid: DOT 4
Fuel consumption
Estimated: 3.0 L/100 km
Estimated range: ~400 km on a full tank (12.0 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): 12000
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 12,000 km. Valve clearance — intake cold 0.08-0.12 mm, exhaust cold 0.10-0.14 mm. Engine oil: oil grade SAE10W-50, 15W-50, API SJ, 2.5 L with filter change. Spark plug: NGK BR7ES left (gap 0.6-0.7 mm). Brake fluid: DOT 4. Chain: chain. Tire pressure: front 2.2 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-50, 15W-50, API SJ, 2.5 L (with filter)
- OEM OEM recommended engine oil (SAE 10W-50)
- 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 BR7ES left, gap 0.6-0.7 mm
- OEM NGK BR7ES
- Premium NGK CR7HSA right
- Standard NGK BR7ES
Front brake pads
Rear brake pads
Drive chain
Spec: chain
Front tire
Spec: 2.2 bar
Rear tire
Spec: 2.5 bar
Battery
- Premium Yuasa YTX9-BS
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
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: 12 000 km
- OEM Intake clearance: cold 0.08-0.12 mm
- OEM Exhaust clearance: cold 0.10-0.14 mm
Suspension
Spec: 41 mm telescopic fork
- OEM Fork: 41 mm telescopic fork
