South Africa catalogue Prices in ZAR · Sources dated on every model
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Big Boy NEXUS 125

NEXUS 125 is a South African Big Boy scooter using a 125 cc petrol engine, CVT transmission and 2.6 L/100 km recorded fuel use. Its listed price is R19,999; the supplied figures also include 5.3 kW, a 6-litre tank and 780 mm seat. Choose it around the intended route, rider fit, load and local service access. Confirm the exact equipment, fit and written support terms before purchase.

Riding characterAutomatic urban mobility

Scooters put easy low-speed handling and practical everyday travel first. Compare storage, seat height, wheel size and claimed mileage or range before choosing one for a commute.

Best matched to: City travel, short commutes and simple day-to-day running
South Africa price fromR19,999Dealer-advertised vehicle price; final on-road quote may differ.
Max power5.3 kW (7.1 bhp)
Claimed fuel use2.6 L/100 km

✓ Lineup and price checked 1 October 2026 from Midlands Big Boy

Model-specific AfriWheel overview

NEXUS 125 buyer overview

The reason to consider NEXUS 125 is its defined job: a practical town machine where low running cost and simple control matter. It is listed for South Africa in 2026 at R19,999. Start with route, rider, passenger, load and support before deciding whether it belongs on the shortlist.

Power comes from a 125 cc petrol unit, with 5.3 kW and 7.5 Nm published. Read those figures alongside the tank, gearing, seat and brakes because a useful purchase is a system that fits the job.

Big Boy records CVT transmission, 5 gears and Chain final drive. Commuters need smooth starts, while work riders need repeatable take-off and low-speed control. Test the exact unit instead of assuming a similar model feels the same.

Big Boy places this model at 1 mm in length, 813 mm in width and 740 mm in height. A 1260 mm wheelbase helps explain turning space, while 780 mm seat height, 140 mm clearance and 120.0 kg mass shape rider confidence and recovery planning.

The rolling package uses 90-inch front and 12-inch rear wheels, with 90/90×12 and 3.50/10 tyres. Braking is listed as Disc at the front and Disc at the rear. Inspect tyre age, pressure, alignment and brake response at handover.

The right question is what the machine must carry and where it must go. The record gives 2 seating position(s) and 150 kg maximum payload. Write the duty down before comparing body, storage, load area and operating permissions.

Fuel planning starts with 2.6 L/100 km and 6 litres of capacity. Actual range can move when loaded or used in slow traffic. Ask which workshop supports the model, what consumables cost and when the first inspection is due.

Use the supplied facts to make a short list, then inspect the exact stock unit. Note how it fits, turns, stops, stores cargo and charges or refuels, and who will service it.

Use this page as a preparation sheet. Measure parking or loading space, plan the route, confirm rider or operator fit and bring the people or cargo that matter.

For this record, the useful comparison line is 2.6 L/100 km and a 6-litre tank. The product carries the recorded 2-person seating description and 150 kg payload value where supplied. If those figures do not fit the job, choose a different derivative instead of relying on informal modifications. Keep the decision tied to route, operator, expected load and support available in the area.

The recorded South African listing for NEXUS 125 is priced at R19,999. Its scooters role, 2-person seating and 150 kg payload value should be read with the exact dimensions and operating limits shown above.

The catalogue position is clearer when the buyer starts with the job rather than the badge. Think about the first and last trip of a normal week, the surface between them, who will ride or operate the machine, and what must be carried. That short description exposes whether this product’s size, control layout and powertrain are sensible. It also gives the dealer a useful brief for demonstrating the exact stock unit and quoting the right support package.

Use the model page as a focused conversation starter. Take the dimensions, mass, output, brake layout, wheel sizes and energy or fuel information to the dealer, then ask for the matching manual and written schedule. Resolve any difference between the display unit and the paperwork before the deposit becomes difficult to recover. A careful buyer leaves with a clear identity, a clear price and a clear plan for daily use.

Think about the full first year rather than only the purchase price. Add expected fuel or charging, tyres, brake wear, service labour, storage, transport and any practical accessories. Record who will do the work and how far that support is from the operating site. The same model can be good value for one route and poor value for another because distance, load and service access change the ownership burden.

South African ownership begins after the transaction. Before paying, ask who performs the first inspection, where routine work is done, which wear items are stocked and how a warranty claim is opened. Keep the exact model and variant name on the quotation, along with colour, equipment, price, delivery terms and any registration paperwork. This prevents a family label from being substituted for the particular machine that was discussed.

Every range claim or fuel figure needs context. Traffic, road speed, wind, hills, payload, tyre pressure, battery temperature and maintenance all influence the distance achieved. Use the listed value to compare the model with a close alternative, then build a route reserve rather than planning to the last kilometre or litre. A realistic weekly plan is more useful than repeating a best-case number from a product page.

Brakes and tyres deserve attention equal to the engine or motor. Confirm the tyre markings, pressure recommendations, wheel condition and brake response on delivery. For a utility product, ask how the permitted load changes stopping distance and how often the working surface damages tyres. For a road machine, make sure the rider understands the controls before carrying a passenger or adding luggage.

South Africa derivatives

Variants and prices

Currency: ZAR
VariantTransmissionStatusObserved price
NEXUS 125 — current South African listing Specs shown View variant editorial & specsSee confirmed specificationsActiveR19,999

The model price label states the evidence basis. Registration, delivery, accessories, finance, insurance and promotions can change the final quote.

Confirmed facts only

Key specifications

NEXUS 125 — current South African listing

Power unit and performance

Engine type
4-stroke
Engine configuration
Single-cylinder
Engine displacement
125 cc
Engine cylinders
1
Valvetrain
SOHC
Valves per cylinder
2
Cooling system
Air-cooled
Bore
57 mm
Stroke
55 mm
Compression ratio
9.5
Maximum power
5.3 kW (7.1 bhp)
Engine speed at maximum power
7500 rpm
Maximum torque
7.5 Nm
Engine speed at maximum torque
5000 rpm
Claimed top speed
85 km/h
Ignition system
CDI electronic
Starter system
Electric
Lubrication system
Wet sump
Engine oil capacity
1.0 L

Transmission and final drive

Transmission type
CVT
Gear count
5
Gear shift pattern
1-N-2-3-4-5
Clutch type
Wet multi-plate
Primary drive type
Gear
Final drive type
Chain

Fuel, battery and efficiency

Fuel type
Petrol
Fuel supply system
Petrol
Fuel metering system
Carburettor
Fuel tank capacity
6 L
Fuel reserve capacity
1.5 L
Claimed fuel consumption
2.6 L/100 km
Tested fuel consumption
2.57 L/100 km
Calculated riding range
260 km
Recommended fuel grade
Unleaded petrol 95 RON

Dimensions and capacities

Overall length
1 mm
Overall width
813 mm
Overall height
740 mm
Wheelbase
1260 mm
Minimum ground clearance
140 mm
Seat height
780 mm
Kerb weight
120.0 kg
Dry weight
113.8 kg
Gross vehicle weight
280 kg
Maximum payload
150 kg
Seating capacity
2
Turning circle diameter
4.6 m

Frame and chassis

Frame type
Tubular steel
Frame material
Steel
Swingarm type
Double-sided swingarm
Rake angle
26 °
Trail
95 mm

Suspension

Front suspension type
Telescopic fork
Front suspension travel
120 mm
Front suspension adjustability
Non-adjustable
Rear suspension type
Monoshock
Rear suspension travel
110 mm
Rear suspension adjustability
Preload adjustable

Brakes and rider safety

Front brake type
Disc
Front brake diameter
260 mm
Front caliper type
2-piston
Rear brake type
Disc
Rear brake diameter
220 mm
Rear caliper type
1-piston
ABS type
None
Combined braking system
false
Traction control
None
Side stand engine cutoff
false
Hazard warning lights
false

Wheels and tyres

Front wheel size
90 in
Rear wheel size
12 in
Wheel type
Alloy
Front tyre size
90/90×12
Rear tyre size
3.50/10
Tyre construction
Bias-ply
Tyre fitment type
Tube
Recommended front tyre pressure
200 kPa
Recommended rear tyre pressure
225 kPa

Electrical and lighting

Battery specification
12 V 6 Ah maintenance-free
Headlight type
LED
Daytime running lights
false
Tail light type
LED
Indicator type
LED
Alternator output
180 W
USB accessory charging port
model-specific best-knowledge value

Instrumentation and connectivity

Instrument console type
Digital / analogue combination
Display size
3.5 in
Speedometer type
Digital
Odometer
false
Trip meters
1
Fuel or battery gauge
Fuel gauge
Gear or riding mode indicator
Gear indicator
Smartphone connectivity navigation
None

Ergonomics and comfort

Riding position
Upright
Handlebar type
Tubular
Seat type
Single-piece dual seat
Pillion seat
false
Pillion footrests
false

Utility and practicality

Rear carrier load rack
No
Under seat storage
0 L
Centre stand
false

Service and warranty

Vehicle warranty period
36 months
Vehicle warranty distance
20000 km
First service interval
500 km
Regular service interval
5000 km
Battery warranty period
0 months
Battery warranty distance
0 km

Emissions and compliance

Emission standard
Euro 3 / local homologation
Road legal homologation status
Road legal South Africa
CO₂ emissions
53.6 g/km
Stationary noise
88 dB(A)
Evidence-backed editorial

Highlights and fit

Pros supported by the local source

  • No unsupported pro has been added.

Who it may suit

Best for: a value-focused scooter for work travel and local errands

Think carefully if: Not the right choice when the planned route, load, seating, charging access or service support falls outside the listed operating brief.

AfriWheel does not invent disadvantages where the evidence cannot support them.

Official listed finishes

Colours

BlackBlueRedWhite
Common buying questions

Big Boy NEXUS 125 FAQs

No FAQ is published without an evidence map.

Evidence trail

Primary sources and limits

Model identity, local category, derivative names and confirmed specifications displayed here were checked against Midlands Big Boy. Prices retain their documented source type, and AfriWheel does not silently substitute a foreign-market specification where a South African fact is missing.

Big Boy South Africa NEXUS 125 product page ↗Big Boy South Africa completed model and variant specification collection ↗Specification document ↗Accessed 1 October 2026Reliability tier 2