2025 BSA Bantam 350 vs 1952 AJS 7R

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2025 BSA Bantam 350 2025 BSA Bantam 350

Classic

Engine
Four stroke, single- cylinder, DOHC, 4 valves, twin spark plugs
Power
21.3 kW / 29 Hp @ 7750 rpm
Top Speed
N/A
Weight
185 kg / 408 lbs
1952 AJS 7R 1952 AJS 7R

Classic

Engine
Single cylinder, 4-stroke, OHC Triple-Camshaft
Power
29.8 kW / 40 hp @ 8000 rpm
Top Speed
193 km/h / 120 mph
Weight
129 kg / 285 lbs
Full Specifications
General
Year20251952
Model-AJS 7R
Make ModelBSA Bantam 350-
Dimensions
Seat Height800 mm / 31.5 in-
Wheelbase1440 mm / 56.7 in-
Weights & Capacities
Dry Weight-129 kg / 285 lbs
Fuel Capacity13 Litres / 3.4 US gal22.7 L / 6.0 US gal
Oil Capacity-4.0 L / 8.4 US pints
Wet Weight185 kg / 408 lbs-
Performance
Top Speed-193 km/h / 120 mph
Max Power21.3 kW / 29 Hp @ 7750 rpm29.8 kW / 40 hp @ 8000 rpm
Max Torque29.6 Nm / 21.85 lb-ft @ 6000 rpm-
Engine
Displacement334 cc / 20.4 cu in349.2 cc / 21.3 cub in
Engine DetailFour stroke, single- cylinder, DOHC, 4 valves, twin spark plugsSingle cylinder, 4-stroke, OHC Triple-Camshaft
Bore x Stroke81 x 65 mm75.5 x 78 mm
Compression Ratio-12.2:1
Cooling SystemLiquid-cooledAir/oil cooled
Exhaust-1-into-1
Fuel InductionFuel injectionCarburetor, 1 3/16 Amal
Ignition-Lucas magneto
Spark Plug-B6ES
StarterElectricKick
Drivetrain
Clutch-Dry, multiplate Ferodo
Final DriveChainChain
Final Drive Ratio-4.87:1
Transmission / Drive6 Speed4-Speed
Chassis
Frame TypeTubular steel dual cradle chassisTubular double cradle
Suspension - Front41mm telescopic forksTelescopic fork
Suspension - RearDual shock absorbers with 5-step adjustable preloadDual shocks
Wheels & Brakes
Brakes - FrontSingle 320mm floating disc, floating calliperDrum
Brakes - RearSingle 240mm disc, floating calliperDrum
ABSStandard-
Rims - Front-2.75 x 19
Rims - Rear-3.50 x 19
Tyres - Front100/90-18 M/C-
Tyres - Rear150/70-ZR17 M/C-
WheelsWire spoke alloySteel, wire spokes

Verdict

Winner on specs

2025 BSA Bantam 350

The 2025 BSA Bantam 350 edges out the 1952 AJS 7R thanks to its liquid cooling, fuel injection and standard ABS. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2025 BSA Bantam 350 - Advantages

  • Liquid cooling: Consistent engine temperature in stop-start traffic and hot climates.
  • Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.
  • Standard ABS: A meaningful safety advantage in emergency braking on wet or loose surfaces.

1952 AJS 7R - Advantages

  • Lighter: 129 kg vs 185 kg - easier to handle and less fatiguing on long trips.

2025 BSA Bantam 350 vs 1952 AJS 7R - FAQs

What are the engine differences between the 2025 BSA Bantam 350 and 1952 AJS 7R?
The 2025 BSA Bantam 350 uses Four stroke, single- cylinder, DOHC, 4 valves, twin spark plugs, while the 1952 AJS 7R is powered by Single cylinder, 4-stroke, OHC Triple-Camshaft.
Which is lighter, the 2025 BSA Bantam 350 or the 1952 AJS 7R?
The 1952 AJS 7R is lighter at 129 kg compared to 185 kg for the 2025 BSA Bantam 350 - a difference of 56 kg. This is a meaningful difference that affects handling and rider fatigue.
Does the 2025 BSA Bantam 350 or 1952 AJS 7R have ABS?
The 2025 BSA Bantam 350 is listed with ABS as standard. The 1952 AJS 7R does not list ABS. ABS provides a meaningful safety benefit in emergency braking on wet or loose surfaces.
Which should I buy, the 2025 BSA Bantam 350 or the 1952 AJS 7R?
Both are strong choices. The 2025 BSA Bantam 350 has the edge in liquid cooling and fuel injection, while the 1952 AJS 7R stands out for lighter kerb weight. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.