Hyosung GV300S & S EVO Specs | Parts Performance Upgrades

Looking for the full Hyosung GV300S Aquila Bobber specifications? From the original 2019/2020 296cc 8-Valve V-Twin to the upgraded USD fork ‘SS’ EVO variant, here is the ultimate technical guide for the modern A2 cruiser.

Hyosung GV300S (2019-Present) & GV300S EVO / SS (2023-Present) – The GV300S is the big brother to the GV125-S, featuring a true 60° V-Twin engine and a 6-speed gearbox. Known as the ‘B’ or ‘BS’ in Korea and the ‘Supreme’ or ‘SS’ in Asia, the range evolved in 2023 with the EVO edition. While the core engine remains the same, the EVO introduces premium hardware including 41mm Inverted (USD) forks, full-LED lighting, and cross-spoke wheels.

Hyosung GV300S & GV300S EVO (SS) – Technical Specifications

⚡ Engine & Performance

Engine Type: Liquid Cooled SOHC 8-Valve 60° V-Twin

Displacement: 296cc

Power Output: 29.4 PS (21.6 kW) @ 8,500 RPM

Torque: 25.6 Nm @ 6,500 RPM

Transmission: 6-Speed Constant Mesh (1-down, 5-up)

🚀 Performance Upgrade: The stock chain can be a weak point. Improve durability and power delivery with the GV300S 520X X-Ring Chain & Sprocket Kit.

🛠️ Chassis, Brakes & Suspension

Frame: Steel Semi-Double Cradle (Separable Tail Frame)

Front Suspension (Standard S): 35mm Conventional Telescopic Forks

Front Suspension (EVO / SS): 41mm Inverted (USD) Forks

Rear Suspension: Steel Dual Side Swingarm | Twin Hydraulic Shocks (Adjustable)

Braking: Dual Channel ABS Standard (4-Piston Front / 2-Piston Rear Calipers)

Wheels: Alloy (Standard S) or Cross-Spoke (EVO/SS)

Instrumentation: Analog/Digital Combo (S) or Full LCD with USB Port (EVO)

📏 Dimensions & Weight

Kerb Weight: 172 kg – 175 kg (Depending on regional spec)

Seat Height: 710 mm (S) / 730 mm (EVO/SS)

Fuel Capacity: 12.5 Litres (2.5L Reserve)

Fuel Consumption: Approx 3.6 L / 100 km

🛠️ Maintenance Tip: Keep your V-Twin smooth with genuine Service Kits & Filters from the Hyoriders Shop.

Community Resources & Owners Club

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📸 Rider Reviews Welcome: Have you ridden the classic GV300S or the upgraded EVO/SS? Help the community by sharing your experience in our technical forums or emailing us your photos to be featured!