Lexmoto Viper 125 - 2017 Specifications and Reviews

The 2017 Lexmoto Viper 125 is a lightweight commuter and entry-level sportbike ideal for new riders and urban commuters seeking affordable daily transportation. Known for its compact dimensions, nimble handling, and fuel efficiency, this air-cooled 125cc machine delivers modest performance balanced with reliability and easy maintenance for budget-conscious operators.

2017
4 stars Average rating: 4 from 1 votes
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General information

CategoryNaked bike
Year2017
ModelLexmoto Viper 125

Engine and Transmission Specifications

Emission detailsEuro 3
Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
IgnitionCDI
Fuel systemInjection. EFI
Bore x Stroke56.5 x 49.6 mm (2.2 x 2.0 inches)
Compression9.5:1
Top speed105.0 km/h (65.2 mph)
Torque9.50 Nm (1.0 kgf-m or 7.0 ft.lbs) @ 7000 RPM
Power11.40 HP (8.3 kW) @ 9000 RPM
Engine typeSingle cylinder, four-stroke
Capacity:125.00 ccm (7.63 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Hydraulic
Front brakesSingle disc. Hydraulic
Rear tyre130/70-17
Front tyre110/70-17
Rear SuspensionSingle shock absorber
Front SuspensionUpside-down telescopic
 
 

Physical measures and capacities

Fuel capacity14.00 litres (3.70 gallons)
Wheelbase1,380 mm (54.3 inches)
Overall width780 mm (30.7 inches)
Overall length2,140 mm (84.3 inches)
Overall height1,180 mm (46.5 inches)
Seat height770 mm (30.3 inches) If adjustable, lowest setting.
Power/weight ratio0.0851 HP/kg
Dry weight134.0 kg (295.4 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsChinese brand.
InstrumentsDigital
StarterElectric
Color optionsRed, blue, green

Performance Profile & Rider Fit

11.4 hp
Peak Power
65.2 mph
Top Speed

Best For

Track15%
City78%
Cornering45%
Daily Riding65%
Touring25%
Passenger30%

Rider Profile

Best ForThis bike suits new riders or those on a learner licence taking their first steps into motorcycling.
PurposeIt is built primarily as an affordable, low-capacity commuter and learner naked bike for city streets.
Rider FitIts low seat height and light dry weight make it very manageable for shorter or less experienced riders.
CharacterIt has a simple, unintimidating naked-bike personality with modest performance and easy, forgiving handling.
Not Ideal ForIt is not suited to experienced riders seeking high speed, long-distance touring comfort, or off-road capability.

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

Rider Fit Visualizer

2017 Lexmoto Viper 125 Rider Ergonomics Assessment

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

Feet:

At 770mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2017 Lexmoto Viper 125, with a moderate knee angle of around 115 degrees and a forward-leaning 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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