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Naked Motorcycles

2003MZ RT 125

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The 2003 MZ RT 125 is a lightweight naked bike ideal for beginner and commuter riders. Its modest 124cc single-cylinder engine delivers adequate power for city riding and short commutes, while the manageable 133kg weight and low 770mm seat height ensure accessibility for new riders. Known for reliability and fuel efficiency, the RT 125 offers practical, no-frills motorcycling.

Capacity
124.0 ccm
Engine
Single
Gearbox
6-speed
Wet weight
133.0 kg
Seat height
770 mm
Power
14.8 HP (10.9 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2003 MZ RT 125

vs the 2002
Spec20022003
Power 15.0 HP (11.0 kW) 14.8 HP (10.9 kW)
Torque 11.7 Nm (1.2 kgf-m or 8.6 ft.lbs) 11.2 Nm (1.1 kgf-m or 8.3 ft.lbs)
Top speed 115.0 km/h (71.5 mph) not listed
Other years 2001 2002 2003 2004 2005

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 18Agility 66Comfort 45Off-road 10Touring 25Road manners 55
Off-road & trail10%
Cornering50%
City riding70%
Daily riding60%
Touring25%
Two-up25%
Track15%
Best for
Designed primarily as a lightweight commuter and learner sportbike rather than a performance or adventure machine.
Built for
It offers a nimble, approachable, and unintimidating ride with modest power delivery suited to city streets.
Not ideal for
This bike is not for experienced riders seeking high speed, long-distance touring comfort, or off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 770mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2003 MZ RT 125, with a moderate knee angle of around 115 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
124.0 ccm
Power
14.8 HP (10.9 kW)
Torque
11.2 Nm (1.1 kgf-m)
Engine type
Single
Power/weight ratio
0.1113 HP/kg (wet)
Bore x stroke
60.0 x 44.0 mm
Fuel system
Carburettor
Valves per cylinder
4
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Dimensions & weight
Wheelbase
1355 mm
Seat height
770 mm
Wet weight
133.0 kg
Fuel capacity
13.50 litres
Reserve fuel capacity
3.60 litres
Dry weight
Not on record - add it
Chassis & suspension
Front suspension
Telescopic fork
Rear suspension
Rear monoshock
Front wheel travel
130 mm
Rear wheel travel
130 mm
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
280 mm
Rear brakes
Single disc
Rear brakes diameter
220 mm
Front tyre
110/70-17
Rear tyre
130/70-17
Other
Color options
Black, Yellow, Blue

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 20012002200320042005
Capacity 124 cc 124 cc 124 cc 124 cc 124 cc
Dry weight — — — — 133 kg
Seat height 770 mm 770 mm 770 mm 770 mm 770 mm
Fuel capacity 13.5 L 13.5 L 13.5 L 13.5 L 13.5 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the MZ RT 125?

The 2003 MZ RT 125 has a Capacity of 124.0 ccm (7.57 cubic inches).

What engine power does the MZ RT 125 have?

The 2003 MZ RT 125 has a Power of 14.8 HP (10.9 kW).

How many gears does the MZ RT 125 have?

The 2003 MZ RT 125 has a Gearbox of 6-speed.

What is the torque of the MZ RT 125?

The 2003 MZ RT 125 has a Torque of 11.2 Nm (1.1 kgf-m or 8.3 ft.lbs).

How much does the MZ RT 125 weigh?

The 2003 MZ RT 125 has a Wet weight of 133.0 kg (293.2 pounds).

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