2018 Benelli 402 S

Specifications
- Category
- Naked bike
- Displacement
- 399.3 ccm (24.37 cubic inches)
- Displacement (cc)
- 399.30
- Engine
- Horizontal cylinder
- Engine details
- Twin, four-stroke
- Power
- 39.4 HP (28.8 kW) @ 9000 RPM
- Torque
- 35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 7000 RPM
- Compression
- 11.5:1
- Bore × stroke
- 69.0 x 53.4 mm (2.7 x 2.1 inches)
- Valves/cyl
- 4.0
- Fuel system
- Injection
- Fuel control
- Double Overhead Cams/Twin Cam (DOHC)
- Cooling
- Liquid
- Gearbox
- 6-speed
- Transmission
- Chain (final drive)
- Clutch
- Wet
- Frame
- Steel trestle in steel tubes
- Front suspension
- Inverted hydraulic damping shock absorber
- Front travel
- 125 mm (4.9 inches)
- Rear suspension
- Rear swing arm in steel pipes, rear shock absorber with spring preload adjustmen
- Rear travel
- 45 mm (1.8 inches)
- Front tyre
- 120/70-ZR17
- Rear tyre
- 160/60-ZR17
- Front brakes
- Double disc
- Front brake Ø
- 260 mm (10.2 inches)
- Rear brakes
- Single disc
- Rear brake Ø
- 240 mm (9.4 inches)
- Wheels
- Aluminum alloy
- Dry weight
- 160.0 kg (352.7 pounds)
- Seat height
- 740 mm (29.1 inches) If adjustable, lowest setting.
- Height
- 1278 mm (50.3 inches)
- Length
- 2276 mm (89.6 inches)
- Width
- 928 mm (36.5 inches)
- Wheelbase
- 1405 mm (55.3 inches)
- Fuel capacity
- 16.00 litres (4.23 US gallons)
- Colours
- Black
- Starter
- Electric
The 2018 Benelli 402 S
The 2018 Benelli 402 S sits at the entry point of Benelli's naked bike range, a small-displacement machine built for riders getting their first taste of a proper mid-size street bike rather than something to graduate beyond quickly. In practice, it's an easygoing commuter and city bike first, with enough midrange pull to feel confident merging onto faster roads without ever tempting you into triple-digit speeds. The low seat height and manageable dimensions make it approachable for shorter riders or anyone coming off a smaller-displacement machine, and the chain final drive keeps maintenance straightforward and cheap. Styling leans toward a compact, purposeful naked bike look rather than anything flashy. As this was the first model year, there's no prior version to compare against for changes, so evaluating a 2018 Benelli 402 S comes down to checking service records, chain condition, and overall wear rather than worrying about spec revisions. This is a bike for new or returning riders wanting an affordable, low-stakes daily machine, not collectors or investors — resale and collector interest remain minimal, so buyers should treat it as transportation, not a future classic, and price accordingly against condition.

