What category is the 1990 MuZ ETZ 251?

The 1990 MuZ ETZ 251 has a Category of Classic.

What is the engine size of the 1990 MuZ ETZ 251?

The 1990 MuZ ETZ 251 has a Capacity: of 243.00 ccm (14.83 cubic inches).

What type of engine does the 1990 MuZ ETZ 251 have?

The 1990 MuZ ETZ 251 has a Engine type of Single cylinder, two-stroke.

What is the engine power of the 1990 MuZ ETZ 251?

The 1990 MuZ ETZ 251 has a Power of 21.00.

What is the top speed of the 1990 MuZ ETZ 251?

The 1990 MuZ ETZ 251 has a Top speed of 129.0 km/h (80.2 mph).

Is the 1990 MuZ ETZ 251 air cooled or liquid cooled?

The 1990 MuZ ETZ 251 has a Cooling system of Air.

How many gears does the 1990 MuZ ETZ 251 have?

The 1990 MuZ ETZ 251 has a Gearbox of 5-speed.

How much does the 1990 MuZ ETZ 251 weigh?

The 1990 MuZ ETZ 251 has a Weight incl. oil, gas, etc of 146.0 kg (321.9 pounds).

MuZ ETZ 251 - 1990 Specifications and Reviews

Name: 1990 MuZ ETZ 251
Brand: MuZ

The MuZ ETZ 251 is a lightweight classic two-stroke single suited to commuters and novice riders seeking affordable, reliable transport. Known for its simplicity and fuel efficiency, this air-cooled machine delivers modest performance with a 129 km/h top speed, making it ideal for urban riding and everyday practicality rather than spirited adventures.

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1990

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General information
Category	Classic
Year	1990
Model	MuZ ETZ 251

Engine and Transmission Specifications
Transmission type,final drive	Chain
Gearbox	5-speed
Cooling system	Air
Fuel control	Port control
Bore x stroke	69.0 x 65.0 mm (2.7 x 2.6 inches)
Compression	10.0:1
Top speed	129.0 km/h (80.2 mph)
Power	21.00
Engine type	Single cylinder, two-stroke
Capacity:	243.00 ccm (14.83 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes	Expanding brake
Front brakes	Single disc
Rear tyre dimensions	110/80-16
Front tyre dimensions	2.15-18

Physical measures and capacities
Fuel capacity	17.00 litres (4.49 gallons)
Weight incl. oil, gas, etc	146.0 kg (321.9 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

17 hp

Peak Power

80.2 mph

Top Speed

Best For

Track10%

City60%

Cornering40%

Daily Riding45%

Touring35%

Passenger25%

Rider Profile

Best For	Suits beginner to intermediate riders who enjoy simple, low-stakes machinery over outright performance.
Purpose	Best suited to relaxed commuting, light utility riding, and nostalgic classic-bike enjoyment rather than performance riding.
Rider Fit	Lightweight and low-powered, making it easy to manage physically for smaller or less experienced riders.
Character	An honest, no-frills two-stroke single with old-school charm and modest, predictable performance.
Not Ideal For	Not for riders seeking speed, modern refinement, or serious highway touring capability.

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