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There is no messing with the Viper. A machine with plenty to give

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Lexmoto Viper 125
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Lexmoto Viper 125 Overview

Get ready for the Lexmoto Viper. With updated technology, aggressive attitude and torquey power plant, the Viper lets everyone know its arrived. The updated fuel injection system gives exhilarating performance at a price that makes sense. With the USD forks and combined braking you can be sure to have the handling you need, exactly when you need it. The throaty motor is not the only sound you will hear from the Viper, as this bike is fitted with a sound system using USB, Bluetooth and FM connectivity, which allows you to listen while you ride, or share out loud when you have parked up.


Please Note

*Price excludes OTR (On The Road) costs

This model is no longer a current model.

This model has been discontinued, please take a look at our full range if you're looking for a current model.

Lexmoto Viper 125 Features

Euro 4
This bike complies with the Euro-4 emissions regulations as certified by EU member state.
Combined Braking
Combined braking distributes the braking between both wheels, reducing braking distance and the tendency to skid.
MP3 Player with USB Charger
Listen to your music on the go. Keep phones and accessories charged with the USB charger whilst riding.
Digital Display
This bikes comes with an easy to view digital display, which gives you all the information you need whilst riding.
LED Indicators
LED lights are brighter and last far longer than traditional lightbulbs.
USD Suspension
Upside down suspension offers an enhanced rider feel and premium performance over its telescopic counterpart.
Summary image

Cutting Edge Clout

The Viper likes to rev and is as comfortable on a dirt road as a duel carriageway. Be prepared for an aggressive stance and an engine that wants to GO!

Specifications

OVERVIEW
Model Name
Lexmoto Viper 125
Model Code
SK125-22A
Fuel Capacity
14 Litres
PERFORMANCE
Max Power
(11.4 hp) 8.5kw@9000rpm
Max Torque
9.5 N.m @ 7000rpm
Max Speed
66 MPH (105 KMH)
ENGINE
Engine Brand
SK157FMI-G
Engine Type
Single Cylinder
Engine Stroke
4 Stroke
Engine Cooling
Air Cooled
Displacement
124 cc
Bore x Stroke
56.5 x 49.6
Clutch Type
Hand Operated
Gear Type
1 Down - 4 Up
Drive Type
Chain
Start Type
Electric Start
Battery Voltage
12
Compression Ratio
9.5:1
WHEELS
Front Brake
Hydraulic Disc
Rear Brake
Hydraulic Disc
Front Tyre
110/70-17
Rear Tyre
130/70-17
Tyre Brand
CST
Tyre Model
Tubeless
Front Suspension
Inverted Forks
Rear Suspension
Mono Shock Absorber
DIMENSIONS
Length
2100 mm
Width
805 mm
Height
1100 mm
Seat Height
805 mm
Wheelbase
1380 mm
Mass in Running Order
144 kg
Maximum Laden Mass
304 kg

Videos

Lexmoto reviews

Lexmoto Viper 125 Review

Lexmoto Viper 125 Review

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Lexmoto Adventure Club

Adventure club logo

A group for those taking adventures on Lexmoto bikes

Be it travelling from Land's End to John O'Groats or navigating the Pyrenees, join our club for exclusive goodies and of course, bragging rights!

Been on your own adventure?

Share your story

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London to Cape Town on a Lexmoto ZSB

Read Chris Allsop's legendary account of how he, a 72 year old retired banker, rode his trusty ZSB from North to South Africa:

I have just ridden from London to Cape Town (and beyond) on a very small motorbike. Alone. At the age of 72. I didn't expect to succeed. Many people shared that opinion.
...

Read more

CMPO logo

Genuine Lexmoto parts and accessories

You can find genuine Lexmoto parts and accessories on our sister website CMPO, from nuts and bolts to complete engines CMPO stocks a wide variety of parts.

Search by Reg Search by Diagram See all parts for this bike
Rubber Grommet 25.5 x 8 x 11mm
GRM013

Rubber Grommet 25.5 x 8 x 11mm

£3.99

O-Ring 34 x 40 x 3mm
ORNG011

O-Ring 34 x 40 x 3mm

£4.99

Rear Sprocket Tab Washer
WSHLK008

Rear Sprocket Tab Washer

£3.49

Exhaust Stud M8 x 38mm
STD031

Exhaust Stud M8 x 38mm

£4.99

Rear Reflector
REFL008

Rear Reflector

£2.49

Centre Stand
STDC041

Centre Stand

£26.99

Lextek logo

Aftermarket parts and accessories

Want to make your bike unique? You can get a wide range of aftermarket parts and accessories for your bike from Lextek.

See all aftermarket parts

Lextek Front Sprocket 428-15T 156FMI 157FMI
SPKF052

Lextek Front Sprocket 428-15T 156FMI 157FMI

£8.99

Lextek Stainless Steel Header
DWNPP171

Lextek Stainless Steel Header

£54.99

Lextek Front Sprocket 428-14T 428-14T 156FMI 157FMI
SPKF035

Lextek Front Sprocket 428-14T 428-14T 156FMI 157FMI

£7.99

Lextek Front Sprocket 428-17T 156FMI 157FMI
SPKF046

Lextek Front Sprocket 428-17T 156FMI 157FMI

£7.99

Lextek Indicator Relay
INDRY051

Lextek Indicator Relay

£9.49

Lextek Stainless Steel Silencer Fixing Kit
EXFX005

Lextek Stainless Steel Silencer Fixing Kit

£5.49

Other street motorcycles

£2579.99 RRP

TR125-3-E5
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