Zontes ZT125-U1 - 2023 Specifications and Reviews

The 2023 Zontes ZT310-M is a modern 309cc scooter designed for urban commuters and riders seeking practical daily transportation with sporty performance. Powered by a fuel-injected single-cylinder four-stroke engine producing 32.9 horsepower, it combines agility with reliability for city riding and short commutes. Its automatic transmission and liquid-cooled engine ensure effortless operation and dependable everyday usability.

2023
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General information

CategoryScooter
Year2023
ModelZontes ZT310-M

Engine and Transmission Specifications

Greenhouse gases74.2 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption3.20 litres/100 km (31.3 km/l or 73.51 mpg)
Transmission typeChain (final drive)
GearboxAutomatic
Cooling systemLiquid
IgnitionElectronic ignition
Fuel controlOverhead Cams (OHC)
Fuel systemInjection. Bosch
Bore x stroke72.0 x 76.0 mm (2.8 x 3.0 inches)
Compression11.8:1
Torque32.0 Nm (3.3 kgf-m or 23.6 ft.lbs) @ 5500 RPM
Power32.9 HP (24.0 kW)) @ 7500 RPM
Engine typeSingle cylinder, four-stroke
Capacity:309.0 ccm (18.86 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. ABS
Front brakesSingle disc. ABS
Rear tire140/70-14
Front tire110/80-14
Rear suspensionDual shocks
Front suspensionTelescopic
Frame typeIron pipe frame

Physical measures and capacities

Fuel capacity12.00 litres (3.17 US gallons)
Wheelbase1390 mm (54.7 inches)
Ground clearance155 mm (6.1 inches)
Overall width770 mm (30.3 inches)
Overall length2010 mm (79.1 inches)
Overall height1350 mm (53.1 inches)
Seat height760 mm (29.9 inches) If adjustable, lowest setting.
Power/weight ratio0.2080 HP/kg
Weight incl. oil, gas, etc168.0 kg (370.4 pounds)
Dry weight158.0 kg (348.3 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsChinese brand. Sold in the UK.
LightLED headlight
StarterElectric
Color optionsBlue, black

Performance Profile & Rider Fit

32.9 hp
Peak Power (est.)
7.5s
0-60 mph (est.)

Best For

Track20%
City75%
Cornering45%
Daily Riding70%
Touring45%
Passenger40%

Rider Profile

Best ForNote: the provided specifications are for a Zontes ZT310-M maxi-scooter, not the named ZT125-U1, so this profile is built on mismatched data and should be treated as approximate; it suits new to intermediate riders comfortable with automatic transmission
PurposeDesigned primarily as an urban and commuting machine with enough mid-range punch for occasional highway stints.
Rider FitA moderate seat height and manageable curb weight make it accessible to riders of average height and build without much off-bike effort.
CharacterA practical, torquey single-cylinder automatic scooter that prioritizes ease of use and everyday usability over outright performance or adventure capability.
Not Ideal ForNot a good fit for riders seeking off-road capability, sharp sport-bike handling, or long-distance touring comfort with luggage.

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

Rider Fit Visualizer

2023 Zontes ZT125-U1 Rider Ergonomics Assessment

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

Feet:

At 760mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2023 Zontes ZT125-U1, with a moderate knee angle of around 100 degrees and a slightly forward 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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