That’s what the new GB350S is all about. Its A2-compliant, air-cooled single-cylinder engine fires with a unique pulse and evocative sound. A low seat height, low weight and low centre of gravity – plus wide handlebars – make it a joy around town or a weekend ride with friends. Stripped back retro style with classic Honda roadster authenticity in every nut, bolt and detail. And whether you’re starting your motorcycling adventure or have ridden for years, the GB350S has everything you need.
Key Specifications
Engine Type
Air-cooled single-cylinder engine, SOHC
Engine Capacity
348 cc / 21.2 cubic inches
Max Power
15.5 kw / 21 hp @ 5,500 rpm
Max Torque
21.3 ft-lb / 29 nm @ 3000 rpm
Top Speed
n/a
Fuel Tank Capacity
4 US gallons / 15 L
Weight (Wet/Kerb)
392.4 lbs / 178 kg
Seat Height
31.5 inches / 800 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
Honda GB350S
Year
2025
Engine Type
Air-cooled single-cylinder engine, SOHC
Displacement
348 cc / 21.2 cubic inches
Bore x Stroke
70 x 90.5 mm
Compression Ratio
9.5 : 1
Number of Cylinders
1
Max Horsepower
15.5 kw / 21 hp @ 5,500 rpm
Max Torque
21.3 ft-lb / 29 nm @ 3000 rpm
Valve Train
SOHC; two valves per cylinder
Valves per Cylinder
2
Engine Management System
PGM FI electronic Fuel injection
Cooling System
Air Cooled
Emissions Compliance
EPA, CARB standards
Engine
Performance
Top Speed
n/a
*n/a – information not provided by manufacturer
Transmission
Clutch
Wet, multiplate Assist & Slipper Clutch
Gearbox
Five-speed
Electrical & Electronics System
Headlight Type
LED
Taillight Type
LED
Instrumentation
Analog & LCD display
Traction Control System
Honda Selectable Torque Control (HSTC)
ABS
ABS
Chassis & Suspension
Front Suspension
Telescopic fork
Front Suspension Travel
4.1 inches / 106 mm
Rear Suspension
Twin Rear Shocks
Rear Suspension Travel
4.7 inches / 120 mm
Rake
27 °
Trail
4.7 inches / 120 mm
Wheels & Brakes
Wheels
Cast wheels
Front Tire Size
100/90-19
Rear Tire Size
150/70-R17
Front Brakes
Single 310 mm x 4mm disc with single twin piston caliper, ABS
Rear Brakes
Single 240 mm x 4mm single disc with single piston caliper, ABS
ABS
ABS
Dimension & Weights
Overall Length
85.6 inches / 2175 mm
Overall Width
31.1 inches / 790 mm
Overall Height
43.3 inches / 1100 mm
Seat Height
31.5 inches / 800 mm
Wheelbase
56.7 inches / 1440 mm
Ground Clearance
6.6 inches / 168 mm
Fuel Tank Capacity
4 US gallons / 15 L
Wet (kerb/curb) Weight
392.4 lbs / 178 kg
Honda GB350S (2025) Color Options
Pearl Deep Mud Grey
Gunmetal Black Metallic
Puco Blue
*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com