Sommer Diesel 462 - 2008 Specifications and Reviews

The 2008 Sommer Diesel 462 is an unconventional allround motorcycle powered by a rare air-cooled diesel engine, making it ideal for riders seeking fuel efficiency and distinctive character. Its 462cc single-cylinder engine delivers 11 horsepower and notably strong low-end torque of 26.25 Nm, best suited for relaxed touring and economical commuting rather than performance riding.

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General information

CategoryAllround
Year2008
ModelSommer Diesel 462

Engine and Transmission Specifications

ClutchMulitiplate
Transmission typefinal driveChain
Gearbox4-speed
Cooling systemAir
Valves per cylinder2
Fuel systemInjection
Bore x stroke88.0 x 76.0 mm (3.5 x 3.0 inches)
Compression20.5:1
Torque26.25
Power11.00
Engine typeDiesel
Capacity:462.00 ccm (28.19 cubic inches)

Physical measures and capacities

Dry weight180.0 kg (396.8 pounds)
 
 

Sommer Diesel 462 dimensions and frame

Rear brakes diameter152 mm (6.0 inches)
Rear brakesSingle disc
Front brakes diameter177 mm (7.0 inches)
Front brakesDouble disc

Speed and acceleration

Power/weight ratio0.0611 HP/kg
Top speed100.0 km/h (62.1 mph)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsBlack, red, silver
Fuel consumption pr. 10 km (6.2 miles)2.20 litres (0.58 gallons)

Performance Profile & Rider Fit

11 hp
Peak Power
62.1 mph
Top Speed

Best For

Track2%
City30%
Cornering20%
Daily Riding35%
Touring20%
Passenger5%

Rider Profile

Best ForThis machine suits a patient, mechanically curious rider who values novelty and low running costs over performance, and is comfortable riding something with a top speed under 100 km/h.
PurposeBuilt as a slow, ultra-efficient diesel-powered utility and curiosity bike rather than a performance or leisure machine, ideal for short-range practical use, demonstration, or fuel-frugal commuting.
Rider FitThe single-seat layout, low 760mm seat height, and light dry weight of 165kg make it accessible to riders of varying size and experience, though the low power ceiling limits any physical demands to slow-speed handling.
CharacterQuirky, thrifty, and mechanically distinctive, this diesel-engined oddity trades speed and excitement for remarkable fuel economy and low emissions, appealing to riders who enjoy unconventional engineering.
Not Ideal ForThis is not the bike for anyone seeking spirited acceleration, sustained highway touring, passenger comfort, or aggressive cornering performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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