Sportbikes

2025Norton V4SV

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The 2025 Norton V4SV is a high-performance sport motorcycle engineered for experienced riders seeking exotic British engineering paired with cutting-edge technology. Its 1200cc 72-degree V4 engine delivers 185 horsepower and aggressive mid-range torque through a sophisticated six-speed transmission, while titanium valves and a chain-driven cam system underscore its premium engineering credentials. Best known for blending retro styling with modern sportbike performance and precision handling.

Capacity: 1200.0 ccm
Engine: V four, four-stroke
Gearbox: 6-speed
Dry weight: 193.0 kg
Seat height: 836 mm
Power: 185.0 HP (136.1 kW) @ 12500 RPM

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Other years 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering95%

City riding30%

Daily riding25%

Touring20%

Two-up15%

Track96%

Best for: Built primarily as a track-focused, boutique sportbike for high-speed cornering and straight-line performance rather than everyday transport.
Built for: A rare, hand-built Italian-flavored British superbike with race-derived electronics, exotic materials, and a raw, high-revving V4 character aimed at connoisseurs.
Not ideal for: This is not a good choice for new riders, commuters, pillion-focused riders, or anyone wanting comfort, practicality, or off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 836mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2025 Norton V4SV, with a cramped knee angle of around 75 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Full specifications

Engine

Capacity: 1200.0 ccm
Power: 185.0 HP (136.1 kW) @ 12500 RPM
CO2 Emissions: 5 CO2 g/km
Torque: 125.0 Nm (12.7 kgf-m) @ 9000 RPM
Engine type: V four, four-stroke
Power/weight ratio: 0.9585 HP/kg (dry)
Bore x stroke: 82.0 x 56.8 mm
Compression: 13.6:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Valves per cylinder: 4

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Slipper clutch

Dimensions & weight

Wheelbase: 1434 mm
Seat height: 836 mm
Dry weight: 193.0 kg
Fuel capacity: 15.00 litres

Chassis & suspension

Frame: Aluminium tubular chassis. Aerospace 5-axis CNC machined outriggers and headstock. Frame is hand TIG welded.
Front suspension: Ohlins NIX30 system front fork. Fully adjustable.
Rear suspension: Ohlins TTXGP Norton bespoke fully adjustable rear shock.
Rake (fork angle): 23.5°

Brakes & wheels

Front brakes: Double disc. ABS. Radially mounted Brembo monobloc calipers. Brembo discs, and Brembo master cylinder.
Rear brakes: Single disc. ABS. Brembo caliper and master-cylinder.
ABS: Yes
Front tyre: 3.50-17
Rear tyre: 6.00-17

Other

Color options: Manx Platinum, Carbon black/grey
Comments: Carbon fibre fuel tank and body panels. Traction-control, wheelie control, launch control and cruise control. Wet, Road and Sport ride modes. Keyless.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.