What category is the 1990 MuZ ETZ 251 (reduced Effect)?

The 1990 MuZ ETZ 251 (reduced Effect) has a Category of Classic.

What is the engine size of the 1990 MuZ ETZ 251 (reduced Effect)?

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

What type of engine does the 1990 MuZ ETZ 251 (reduced Effect) have?

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

What is the engine power of the 1990 MuZ ETZ 251 (reduced Effect)?

The 1990 MuZ ETZ 251 (reduced Effect) has a Power of 17.00.

What is the top speed of the 1990 MuZ ETZ 251 (reduced Effect)?

The 1990 MuZ ETZ 251 (reduced Effect) has a Top speed of 113.0 km/h (70.2 mph).

Is the 1990 MuZ ETZ 251 (reduced Effect) air cooled or liquid cooled?

The 1990 MuZ ETZ 251 (reduced Effect) has a Cooling system of Air.

How many gears does the 1990 MuZ ETZ 251 (reduced Effect) have?

The 1990 MuZ ETZ 251 (reduced Effect) has a Gearbox of 5-speed.

How much does the 1990 MuZ ETZ 251 (reduced Effect) weigh?

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

MuZ ETZ 251 (reduced Effect) - 1990 Specifications and Reviews

Name: 1990 MuZ ETZ 251 (reduced Effect)
Brand: MuZ

The 1990 MuZ ETZ 251 is a lightweight two-stroke classic suited to budget-conscious riders and commuters seeking economical everyday transport. Known for its simplicity and reliability, this air-cooled single-cylinder machine delivers modest but adequate performance for urban and rural riding, with a top speed of 113 km/h.

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General information
Category	Classic
Year	1990
Model	MuZ ETZ 251 (reduced effect)

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	113.0 km/h (70.2 mph)
Power	17.00
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	2.75-18
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

18s

0-60 mph

70.2 mph

Top Speed

Best For

Track5%

City55%

Cornering35%

Daily Riding45%

Touring30%

Passenger25%

Rider Profile

Best For	This bike suits beginners or riders returning to biking who want a simple, low-stakes machine to learn on.
Purpose	It is a basic commuter and light utility bike designed for modest, everyday transportation rather than performance riding.
Rider Fit	Its light weight and low power make it easy and unintimidating to handle for riders of smaller stature or limited strength.
Character	It has an honest, old-school two-stroke charm with modest performance and straightforward mechanicals typical of era-appropriate Eastern Bloc engineering.
Not Ideal For	This is not the bike for riders seeking highway speed, long-distance touring comfort, or any serious off-road capability.

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