2026 GasGas Motocross

Next-level offroad enjoyment

2026 GasGas Motocross

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GASGAS MC 450F 2026

Next-level offroad enjoyment

RRP: £9,899.00
  • Power when you need it, fun when you want it! The world championship-winning MC 450F delivers smooth, strong performance, whether you're flowing through tracks or launching into the next jump. Thanks to plenty of electronic wizardry, all that power stays super rideable, so you're going fast without even thinking about it. The updated chassis from 2025 rolls into 2026 unchanged, keeping the same confident handling, stability, and comfort that riders love. What's new is the look: bold black graphic details and elements add a fresh twist to the unmistakable GASGAS red for a clean, modern style that stands out on any track.
Motocross
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Tech Specs

Engine

  • Design: Single-cylinder, 4-stroke engine
  • Displacement: 449.9 cm³
  • Bore × Stroke: 95 × 63.4 mm
  • Compression Ratio: 13.1 : 1
  • Cooling: Liquid-cooled
  • Starter: Electric starter
  • EMS: Keihin EMS
  • Clutch: DDS wet multi-disc clutch, Braktec hydraulics
  • Primary Drive: 29 / 72
  • Secondary Gear Ratio: 13 / 51
  • Transmission: 5-speed
  • Fuel Mixture Generation: Keihin EFI, throttle body 44 mm

Chassis

  • Frame Design: Central double-cradle-type 25CrMo4 steel
  • Rear Subframe Design: Aluminium
  • Wheelbase: 1493 ± 10 mm
  • Ground Clearance: 343 mm
  • Seat Height: 956 mm
  • Steering Head Angle: 63.9°
  • Handlebar: Neken, aluminium Ø 28 / 22 mm
  • Silencer: Aluminium
  • Chain: 520, Non-sealed
  • Weight (Without Fuel): 103.6 kg

Fuel Tank

  • Capacity: 7.9 L (approx.)

Front Suspension

  • Type: WP XACT-USD (AER)
  • Fork Diameter: Ø 48 mm
  • Suspension Travel: 300 mm

Rear Suspension

  • Type: WP XACT Monoshock with linkage
  • Suspension Travel: 300 mm

Brakes

  • Front Brake: Disc brake Ø 260 mm
  • Rear Brake: Disc brake Ø 220 mm

Wheels & Tyres

  • Front Wheel: 1.60 × 21"
  • Rear Wheel: 2.15 × 19"
  • Front Tyre: 80 / 100
  • Rear Tyre: 110 / 100
  • Wheels: Spoked wheels with aluminium rims

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About John Lee Motorcycles

John started work in the Motorcycle Trade in 1955, working for 2 large London Dealers for 10 years. His ambition was to own his own dealership, so moved to Northamptonshire and purchased the shop where we are today in Higham Ferrers, that was 1964.

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