Sommer Diesel 462 - 2016 Specifications and Reviews
The 2016 Sommer Diesel 462 is an economical lightweight motorcycle powered by a unique diesel engine, delivering strong low-end torque of 26.25 Nm. Best suited for fuel-conscious commuters and adventure riders seeking exceptional efficiency with 40 km/l consumption and minimal emissions. Its air-cooled diesel engine, paired with a 4-speed gearbox and capable suspension travel, prioritizes practicality and range over performance.
General information | |
| Category | Allround |
| Year | 2016 |
| Model | Sommer Diesel 462 |
| | |
Engine and Transmission Specifications | |
| Greenhouse gases | 66.5 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 2.50 litres/100 km (40.0 km/l or 94.09 mpg) |
| Clutch | 5-plate in oil bath |
| Transmission type,final drive | Chain |
| Gearbox | 4-speed |
| Cooling system | Air |
| Fuel system | Injection |
| Valves per cylinder | 2 |
| Bore x Stroke | 88.0 x 76.0 mm (3.5 x 3.0 inches) |
| Compression | 20.5:1 |
| Max RPM RPM | 4000 |
| Top speed | 99.0 km/h (61.5 mph) |
| Torque | 26.25 Nm (2.7 kgf-m or 19.4 ft.lbs) @ 2000 RPM |
| Power | 11.00 HP (8.0 kW) @ 3500 RPM |
| Engine details | Hatz 1B40 engine |
| Engine type | Diesel |
| | |
Brakes, suspension, Frame and wheels | |
| Seat | Single seat |
| Wheels | Stainless steel rims, wire spoked |
| Rear brakes diameter | 152 mm (6.0 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 177 mm (7.0 inches) |
| Front brakes | Single disc. Optional drum brake |
| Rear tyre | 3.50-19 |
| Front tyre | 3.25-19 |
| Rear wheel travel | 120 mm (4.7 inches) |
| Rear Suspension | Swing arm |
| Front wheel travel | 150 mm (5.9 inches) |
| Front Suspension | Telescopi fork |
| Rake (fork angle) | 25.0° |
| Frame type | Steel tube |
Physical measures and capacities | |
| Fuel capacity | 13.50 litres (3.57 gallons) |
| Wheelbase | 1,400 mm (55.1 inches) |
| Seat height | 760 mm (29.9 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.0667 HP/kg |
| Weight incl. oil, gas, etc | 180.0 kg (396.8 pounds) |
| Dry weight | 165.0 kg (363.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Modified Royal Enfield bike. Diesel or Biodiesel fuel. Sommer is a German brand. |
| Factory warranty | 2 year factory warranty |
| Electrical | Iskra 1 kW starter. Alternator 200W. |
| Instruments | Analogue instruments |
| Starter | Electric |
| Color options | Black, red, light blue, blue |
Performance Profile & Rider Fit
11 hp
Peak Power
61.5 mph
Top Speed
Best For
Track2%
City30%
Cornering20%
Daily Riding35%
Touring20%
Passenger5%
Rider Profile
| Best For | This 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. |
| Purpose | Built 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 Fit | The 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. |
| Character | Quirky, 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 For | This 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.
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