What category is the 2019 Sommer Hatz 1B50 Diesel?

The 2019 Sommer Hatz 1B50 Diesel has a Category of Allround.

What is the engine size of the 2019 Sommer Hatz 1B50 Diesel?

The 2019 Sommer Hatz 1B50 Diesel has a Capacity: of 516.0 ccm (31.49 cubic inches).

What type of engine does the 2019 Sommer Hatz 1B50 Diesel have?

The 2019 Sommer Hatz 1B50 Diesel has a Engine type of Diesel.

What is the engine power of the 2019 Sommer Hatz 1B50 Diesel?

The 2019 Sommer Hatz 1B50 Diesel has a Power of 12.0 HP (8.8 kW) @ 3500 RPM.

What is the torque of the 2019 Sommer Hatz 1B50 Diesel?

The 2019 Sommer Hatz 1B50 Diesel has a Torque of 27.5 Nm (2.8 kgf-m or 20.3 ft.lbs) @ 2000 RPM.

What is the top speed of the 2019 Sommer Hatz 1B50 Diesel?

The 2019 Sommer Hatz 1B50 Diesel has a Top speed of 100.0 km/h (62.1 mph).

Is the 2019 Sommer Hatz 1B50 Diesel air cooled or liquid cooled?

The 2019 Sommer Hatz 1B50 Diesel has a Cooling system of Air.

How many gears does the 2019 Sommer Hatz 1B50 Diesel have?

The 2019 Sommer Hatz 1B50 Diesel has a Gearbox of 4-speed.

What is the fuel consumption of the 2019 Sommer Hatz 1B50 Diesel?

The 2019 Sommer Hatz 1B50 Diesel has a Fuel consumption of 2.50 litres/100 km (40.0 km/l or 94.09 mpg).

How much does the 2019 Sommer Hatz 1B50 Diesel weigh?

The 2019 Sommer Hatz 1B50 Diesel has a Dry weight of 165.0 kg (363.8 pounds).

How much does the 2019 Sommer Hatz 1B50 Diesel weigh?

The 2019 Sommer Hatz 1B50 Diesel has a Weight incl. oil, gas, etc of 180.0 kg (396.8 pounds).

What is the seat height of the 2019 Sommer Hatz 1B50 Diesel?

The 2019 Sommer Hatz 1B50 Diesel has a Seat height of 760 mm (29.9 inches) If adjustable, lowest setting..

Sommer Hatz 1B50 Diesel - 2019 Specifications and Reviews

Name: 2019 Sommer Hatz 1B50 Diesel
Brand: Sommer

The 2019 Sommer Hatz 1B50 is a minimalist German-built diesel motorcycle based on the Royal Enfield platform, engineered for riders seeking simplicity and fuel efficiency over modern electronics. Its air-cooled diesel engine and no-frills analog instrumentation appeal to adventure enthusiasts and eco-conscious motorcyclists valuing reliability and alternative fuel capability. Known for its lightweight construction and exceptional fuel economy, it suits off-road exploration and long-distance touring on budget-friendly biodiesel.

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2019

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General information
Category	Allround
Year	2019
Model	Sommer Hatz 1B50 Diesel
Engine and Transmission Specifications
Emission details	Euro 4
Greenhouse gases	58.0 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	Chain (final drive)
Gearbox	4-speed
Cooling system	Air
Fuel system	Injection
Valves per Cylinder	2
Bore x Stroke	93.0 x 76.0 mm (3.7 x 3.0 inches)
Compression	20.5:1
Max RPM RPM	4000
Top speed	100.0 km/h (62.1 mph)
Torque	27.5 Nm (2.8 kgf-m or 20.3 ft.lbs) @ 2000 RPM
Power	12.0 HP (8.8 kW) @ 3500 RPM
Engine details	Hatz 1B40 engine
Engine type	Diesel
Capacity:	516.0 ccm (31.49 cubic inches)

Brakes, suspension, Frame and wheels
Seat	Single seat
Wheels	Stainless steel rims, wire spoked
Rear brakes	Expanding brake (drum brake)
Diameter	177 mm (7.0 inches)
Front brakes	Single disc. Optional drum brake
Rear tire	3.50-19
Front tire	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 US gallons)
Wheelbase	1410 mm (55.5 inches)
Seat height	760 mm (29.9 inches) If adjustable, lowest setting.
Power/weight ratio	0.0727 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 without any electronics. 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

12 hp

Peak Power

62.1 mph

Top Speed

Best For

Track2%

City30%

Cornering20%

Daily Riding35%

Touring15%

Passenger5%

Rider Profile

Best For	This is a machine for curious, patient riders rather than speed seekers, given its tiny diesel engine and utilitarian 4000 RPM ceiling.
Purpose	Built as a slow, ultra-efficient, mechanically simple diesel runabout for basic transport rather than performance riding.
Rider Fit	The low seat height and light overall weight make it easy to manage at a standstill, though the single seat and drum rear brake reflect its minimalist utility focus.
Character	It has the personality of an old-world, no-electronics workhorse - rugged, frugal, and almost tractor-like in its unhurried delivery of torque.
Not Ideal For	This is not for riders wanting highway speed, spirited cornering, or a comfortable two-up touring companion.

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

Rider Fit Visualizer

2019 Sommer Hatz 1B50 Diesel Rider Ergonomics Assessment

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Feet:

At 760mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2019 Sommer Hatz 1B50 Diesel, with a moderate knee angle of around 115 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2019 Sommer Hatz 1B50 Diesel motorcycle is a powerful and efficient machine. Its diesel engine provides reliable and long-lasting performance, making it a great choice for anyone seeking a durable and low-maintenance bike. The sleek design and smooth handling make for a comfortable and enjoyable ride, while the advanced technology and innovative features set it apart from other motorcycles in its class. Whether cruising on the highway or navigating through city streets, the 1B50 Diesel offers a premium riding experience that is sure to impress even the most discerning motorcycle enthusiasts. Overall, the 2019 Sommer Hatz 1B50 Diesel motorcycle is a top-notch choice for those looking for a dependable and high-performance bike. With its advanced diesel engine, sleek design, and innovative features, it offers a truly exceptional riding experience. Whether for daily commuting or long-distance touring, this motorcycle delivers on both power and efficiency, making it a standout option in the market.