Hyosung GF125 Specifications & Picture Gallery + Wiki + Manuals
Full Hyosung GF125 specifications for the classic 125cc speed naked. Detailed air-cooled SOHC engine data, chassis specs, and download links for the official workshop manuals.
Hyosung GF125 (Speed) – Produced from 1998 to 2004, the GF125 is a classic, robust naked bike built for city agility and efficient commuting. Known for its 4-valve single-cylinder engine and lightweight steel frame, it remains a simple and reliable favorite for retro 125cc fans.
Hyosung GF125 – Technical Specifications
⚡ Engine & Transmission
Engine Type: Air-cooled SOHC 4-valve Single Cylinder (124cc)
Power Output: 14 HP @ 8600 RPM
Torque: 11 Nm @ 7500 RPM
Ignition: CDI with Electric & Kick Start
Gearbox: 5-speed + Chain Drive
🛠️ Chassis, Brakes & Suspension
Frame: Lightweight Steel
Suspension: Telescopic Front Forks | Dual Rear Shocks
Braking: 240mm Single Front Disc | 130mm Expanding Rear Drum
Tyres: 90/90-19 (Front) | 100/90-17 (Rear)
📏 Dimensions & Weight
Dry Weight: 128 kg
Seat Height: 787 mm
Fuel Capacity: Approx 4 Litres
Fuel Economy: 60–75 MPG (Reported)
Community Resources & Shop
Hyosung GF125 Gallery
Official Specs via KR Motors. This page is updated by the Hyoriders community.
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