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MotoLibrary Score
34/100Commuter
Power/Weight
0.03 hp/kg
Engine
430 ccm
Technical Overview
1912 Lea Francis 3.25 Hp Technical Analysis & Specification Breakdown
Engineered by Lea for the allround motorcycle segment, the 1912 Lea Francis 3.25 Hp features a 430 cc (26.2 cu in) v2, two-stroke configuration. In factory specification, peak output is rated at 3.3 HP (2.4 kW), transferring power to the rear wheel through a 2-speed gearbox and belt final drive. With a specific output of 7.7 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
On the scales, the Francis 3.25 Hp measures 99.8 kg (220 lbs) dry.
Specific Output
7.7 HP/L
Engine
Displacement430.0 ccm (26.24 cubic inches)
Engine TypeV2, two-stroke
Engine DetailsJAP 50-degree V-twin engine
Power3.3 HP (2.4 kW))
Fuel SystemCarburettor
Transmission
Gearbox2-speed
Final DriveBelt (final drive)
ClutchPlate
Chassis
Frame TypeBicycle frame
Front SuspensionGirder-style sprung forks
Wheels & Brakes
WheelsRim brakes on both wheels
Dimensions & Weight
Dry Weight99.8 kg (220.0 pounds)
Power/Weight0.0326 HP/kg
Other
StarterKick
Color OptionsBlack/red
LightMiller acetylene headlight
Carrying CapacityLuggage carrier with leather panniers
Notes
British company.
Buying Checklist
Before You Compare This Bike
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
