Naked Motorcycles
1992MuZ ETZ 251
18 fields on record
The 1992 MuZ ETZ 251 is a lightweight single-cylinder commuter bike ideal for budget-conscious riders and beginners. Known for its simplicity and reliability, this air-cooled 243cc machine delivers modest 17 horsepower through a practical 5-speed transmission. Its manageable 146kg weight and accessible ergonomics make it perfect for everyday urban riding and learning.
- Capacity
- 243.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 5-speed
- Wet weight
- 146.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 17.0 HP (12.5 kW)
What’s new for the 1992 MuZ ETZ 251
vs the 1991| Spec | 1991 | 1992 |
|---|---|---|
| Power | 21.0 HP (15.4 kW) @ 5500 RPM | 17.0 HP (12.5 kW) |
| Top speed | 129.0 km/h (80.2 mph) | 115.0 km/h (71.5 mph) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Best suited to relaxed commuting, light utility riding, and nostalgic classic-bike enjoyment rather than performance riding.
- Built for
- 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.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 243.0 ccm
- Power
- 17.0 HP (12.5 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1164 HP/kg (wet)
- Bore x stroke
- 69.0 x 65.0 mm
- Compression
- 10.0:1
- Cooling system
- Air
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 115.0 km/h (71.5 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 90/90-18
- Rear tyre
- 110/80-16
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1989 | 1990 | 1991 | 1992 |
|---|---|---|---|---|
| Capacity | 243 cc | 243 cc | 243 cc | 243 cc |
| Fuel capacity | 17 L | 17 L | 17 L | 17 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the MuZ ETZ 251?
The 1992 MuZ ETZ 251 has a Capacity of 243.0 ccm (14.83 cubic inches).
What engine power does the MuZ ETZ 251 have?
The 1992 MuZ ETZ 251 has a Power of 17.0 HP (12.5 kW).
How many gears does the MuZ ETZ 251 have?
The 1992 MuZ ETZ 251 has a Gearbox of 5-speed.
How much does the MuZ ETZ 251 weigh?
The 1992 MuZ ETZ 251 has a Wet weight of 146.0 kg (321.9 pounds).
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