Sunbeam

SUNBEAM MODEL 8 1924 - 1931

SUNBEAM MODEL 8 1924 - 1931
SUNBEAM MODEL 8 1924 - 1931 · Photo: Piero (Dutch Wikipedia); copyright holders Yesterdays Antique Motorcycles and Classic Motorcycle Archive, CC BY-SA 3.0, via Wikimedia Commons
Spec sheet
MODELSUNBEAM MODEL 8 1924 - 1931
Year1924 - 1931
Engine TypeSingle cylinder, OHV
Displacement / Capacity347 cc / 21.2 cu in
Bore X Stroke70 x 90 mm
Compression Ratio—
Cooling SystemAir
Max Power2.1 kW / 2.75 hp
Max Torque—
IgnitionEIC magneto
InductionAMAC carburettor
Start SystemKick
TRANSMISSION SPECS
LubricationDry sump
Gear Box3-speed
Clutch—
Final DriveChain
CHASSIS SPECS
FrameBifurcated front downtube
Front SuspensionDruid forks
Rear SuspensionRigid, spring-loaded saddle
Front BrakesDrum, internal expanding
Rear BrakesDrum, internal expanding
DIMENSION SPECS
Overall Length—
Overall Width—
Overall Height—
Seat Height—
Wheelbase—
Ground Clearance—
Dry Weight—
Wet Weight—
WHEEL SPECS
Front Tyre—
Rear Tyre—
FUEL SYSTEM
Fuel Capacity—
Fuel Consumption—
Top Speed—
Sunbeam file

The Model 8 was Sunbeam's first overhead-valve production roadster, arriving with the 1924 numbered range. It used an enclosed dry-sump oiling system and was the first Sunbeam with internal-expanding brakes at both ends. The tank tube could be unbolted so the head could be serviced with the engine in the frame.