
| MODEL | BSA 350 THUNDERBOLT 2026 |
| Year | 2026 |
| Engine Type | Four stroke, single cylinder, DOHC, 4 valves, twin spark plugs |
| Displacement / Capacity | 334 cc / 20.4 cu in |
| Bore X Stroke | 81 x 65 mm |
| Compression Ratio | — |
| Cooling System | Liquid-cooled |
| Max Power | 21.3 kW / 29 hp @ 8000 rpm |
| Max Torque | 29.6 Nm / 21.8 lb-ft @ 5800 rpm |
| Ignition | — |
| Induction | Fuel injection |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Tubular steel dual cradle |
| Front Suspension | 41 mm USD telescopic forks |
| Rear Suspension | Monoshock, preload adjustable |
| Front Brakes | Single 320 mm disc, 2-piston calliper, 3-mode ABS |
| Rear Brakes | Single 240 mm disc, single calliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 815 mm / 32.1 in |
| Wheelbase | 1465 mm / 57.7 in |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 185 kg / 408 lbs |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 130/80-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 15.5 Litres |
| Fuel Consumption | — |
| Top Speed | — |
BSA's first adventure-styled model, built on the same 334 cc single as the Bantam 350 but with a 21-inch front wheel, long-travel USD forks, a bash plate and a beak-style front. It offers traction control and three ABS modes, aiming at A2-licence riders who want light off-road ability.