MZ SX 125 - 2005 Specifications and Reviews

The 2005 MZ SX 125 is a lightweight enduro bike designed for novice off-road riders and commuters seeking affordable trail capability. Its modest 11 hp four-stroke engine delivers predictable power suitable for learning, while the telescopic fork and monoshock suspension handle rough terrain adequately. Known for reliability and easy maintenance, it excels as an entry-level adventure machine for budget-conscious riders.

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General information

CategoryEnduro / offroad
Year2005
ModelMZ SX 125
 
 

Engine and Transmission Specifications

Fuel controlDOHC
Top speed110.0 km/h (68.4 mph)
Torque11.70 Nm (1.2 kgf-m or 8.6 ft.lbs) @ 8500
Power11.00
Engine typeSingle cylinder, four-stroke
Capacity:124.00 ccm (7.57 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions120/80-18
Front tyre dimensions90/90-21
Rear suspensionRear monoshock
Front suspensionTelescopic fork

Physical measures and capacities

Reserve fuel capacity3.60 litres (0.95 gallons)
Fuel capacity12.50 litres (3.30 gallons)
Wheelbase1,440 mm (56.7 inches)
Overall height2,004 mm (78.9 inches)
Seat height860 mm (33.9 inches) If adjustable, lowest setting.
Power/weight ratio0.0863 HP/kg
Dry weight127.5 kg (281.1 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

11 hp
Peak Power
68.4 mph
Top Speed

Best For

Track10%
City45%
Cornering40%
Daily Riding40%
Touring20%
Passenger15%

Rider Profile

Best ForThis is a low-powered, lightweight machine best suited to beginners or riders learning off-road fundamentals.
PurposeBuilt primarily for light trail riding, green-laning, and low-speed off-road exploration rather than outright performance.
Rider FitThe tall 860mm seat height and slim, lightweight chassis favor riders of average-to-tall stature who can comfortably manage a dirt-oriented stance.
CharacterA modest, approachable single-cylinder enduro with playful handling but very limited outright speed and highway capability.
Not Ideal ForNot suitable for riders wanting sustained highway speeds, long-distance touring comfort, or a capable two-up passenger experience.

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

Rider Fit Visualizer

2005 MZ SX 125 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 860mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2005 MZ SX 125, with a cramped knee angle of around 75 degrees and an upright 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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