2027 GASGAS EX300 — Key Specifications

The 2027 GASGAS EX300 is a lightweight, high-performance 2-stroke cross-country dirt bike designed for versatility and rider comfort.

Engine & Performance

• Type: Single-cylinder, 2-stroke, liquid-cooled

• Bore × Stroke: 72 mm × 72 mm (2.83 in × 2.83 in)

• Displacement: 293.2 cc (17.9 ci)

• Valve: Reed valve

• Fuel system: Electronic fuel injection (EFI) with Keihin injectors

• Compression ratio: Not listed, but EFI system optimized for torque and high-rev power

• Counterbalancer shaft: Reduces vibration at high RPM

• Fuel tank: Integrated pump, 9 L (2.4 gal) capacity 

Transmission & Drivetrain

• Type: 6-speed manual, no reverse

• Primary drive: Chain 

Chassis & Dimensions

• Frame: Chromoly steel

• Wheelbase: 1489 mm (58.6 in)

• Ground clearance: 354 mm (13.9 in)

• Dry weight: 102.3 kg (225.5 lb) 

Suspension

• Front: WP XACT inverted fork, 48 mm, 300 mm travel, adjustable rebound

• Rear: WP XACT twin-sided swingarm, aluminum, 300 mm travel, adjustable preload & rebound

Brakes

• Front: Braktec hydraulic disc, 260 mm

• Rear: Braktec hydraulic disc, 220 mm

• Pedal: Stronger rear brake pedal for durability 

Wheels & Tires

• Front: 21 in, 80/100-21 Dunlop Geomax AT82

• Rear: 18 in, 110/100-18 Dunlop Geomax AT82 

Bodywork & Ergonomics

• Color scheme: Signature red with black graphic details, black handlebar, black rims, black seat cover 

• Ergonomics: Large contact surfaces for leg support, smooth profile for rider movement 

Notable Features

• Lightweight motor mounts and frame material tweaks save ~300 g

• Integrated fuel pump for long races

• Blackened-out parts for style and reduced mud retention

• Redesigned handlebar mounts for improved twist resistance 

This model blends playful handling, usable low-end torque, and high-rev power with modern EFI and durable Braktec brakes, making it a strong choice for cross-country and track riding.