South Africa catalogue Prices in ZAR · Sources dated on every model
MotocrossActiveRFZ125J — current South African listing

Big Boy RFZ125J

RFZ125J — current South African listing is the exact South African Big Boy off-road machine listing for RFZ125J. off-road machine using a 125 cc petrol engine, Manual transmission and 2.49 L/100 km recorded fuel use. Its listed price is R16,999; the supplied figures also include 10.62 kW, a 3.2-litre tank and 800 mm seat. Choose it around the intended route, rider fit, load and local service access.

Riding characterClosed-course competition

Motocross machines are developed around jumps, loose surfaces and competition use. Service intervals, protective equipment, transport and road-registration status should be checked before purchase.

Best matched to: Motocross tracks, competition practice and race preparation
South Africa price fromR16,999Dealer-advertised vehicle price; final on-road quote may differ.
Max power10.62 kW (14.2 bhp)
Claimed fuel use2.49 L/100 km

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

Variant-specific AfriWheel overview

RFZ125J — current South African listing buyer overview

RFZ125J — current South African listing is the derivative a buyer should put on the quotation when comparing RFZ125J. Big Boy lists it at R16,999 in South Africa. Its appeal depends on whether the delivered equipment and operating limits fit the planned route or job.

The petrol unit is 125 cc, with 10.62 kW and 8.6 Nm in the supplied record. Those numbers locate the model in the local range, but they do not guarantee a particular speed because gearing, rider mass, wind, gradient and load change the result.

Control comes through Manual and 5 listed ratios, driving the Chain final drive. A handover should cover clutch effort, steering lock, throttle response and loaded behaviour as well as the headline specification.

On paper this product measures 1 × 780 × 800 mm and uses a 1350 mm wheelbase. At 800 mm, read the seat with saddle shape and suspension compression. The listed 180 mm clearance and 132.5 kg mass matter on ramps, tight yards and uneven ground.

The contact points are specific: 17-inch front, 17-inch rear, 90/90-17 and 110/80-17. Big Boy records Disc braking ahead of Disc braking behind. Work buyers should match the tyres to the ground and keep the load within its boundary.

Use the real job to test the fit. Big Boy records 2 occupant(s) and 170 kg maximum payload, so a commercial buyer should plan restraint, route width, turning space and recovery. A road rider should consider passenger comfort and secure luggage.

The ownership calculation uses 2.49 L/100 km and a 3.2-litre tank, but do not turn those numbers into a guaranteed trip distance. Keep a reserve, check pressure and use the written service schedule.

The variant label matters when products share a family name. For RFZ125J — current South African listing, check colour, body fittings, charger or tools, seating, payload and paperwork. Those details can change ownership even when a general model description looks similar.

The purchase is ready when physical unit and paperwork agree. Inspect RFZ125J — current South African listing, record its condition, verify price and support terms, and plan maintenance around the real route rather than a best-case claim.

For this record, the useful comparison line is 2.49 L/100 km and a 3.2-litre tank. The product carries the recorded 2-person seating description and 170 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.

This exact RFZ125J — current South African listing record is priced at R16,999. Keep its model name, powertrain, seating, payload, range or fuel figure and equipment together when comparing it with another Big Boy listing.

A variant’s value is connected to its duty cycle. A work-focused configuration may justify a larger payload or a different body, while a commuter configuration may be easier to park and cheaper to run. State the daily job, distance, rider count and storage arrangement before choosing. If the configuration does not support that brief, changing to the correct derivative is safer than adapting it informally.

Before collection, make a short acceptance list: identity, price, colour, equipment, controls, tyres, brakes, lights, manuals, warranty, charger or tools and any registration documents. Walk through it with the dealer and record exceptions on the handover. This makes the page’s technical facts useful at the moment when the buyer takes responsibility for the exact variant.

Weight and load should be treated together. The listed mass describes the vehicle, while payload covers people, cargo, accessories and any additions. Keep those figures within the stated boundary and position heavy items securely. An operator who plans around the advertised maximum every day should ask about the route, braking, tyres, suspension and service effects before deciding that the variant is suitable.

The derivative label is important because a single family can contain different batteries, bodies, load arrangements or commercial equipment. Keep this exact variant name on the quotation and match it to the machine on the floor. Ask the salesperson to list what is standard, what is optional and what is shown only for illustration. A small change in configuration can alter the useful range, carrying limit, service routine or delivery expectation.

Colour and visible equipment can create confusion at handover. Confirm the exact finish, decals, racks, lights, seat, tray, battery case and charger or tools included in the price. Photograph the delivered unit and retain the invoice, manual and warranty details. That simple record makes it easier to resolve a mismatch between the variant ordered and the machine supplied.

When this derivative is compared with a nearby listing, hold the two specifications side by side. Check the powertrain, wheel and tyre combination, brake hardware, seating, payload, charger or fuel system and price. Do not borrow a figure from a sibling model simply because the names look similar. The purpose of a variant page is to make the actual buying decision precise enough for a written offer and a correct handover.

South Africa derivatives

Variants and prices

Currency: ZAR
VariantTransmissionStatusObserved price
RFZ125J — current South African listing Specs shown See confirmed specificationsActiveR16,999

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

RFZ125J — 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
10.62 kW (14.2 bhp)
Engine speed at maximum power
7500 rpm
Maximum torque
8.6 Nm
Engine speed at maximum torque
5500 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
Manual
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
3.2 L
Fuel reserve capacity
1.5 L
Claimed fuel consumption
2.49 L/100 km
Tested fuel consumption
2.77 L/100 km
Calculated riding range
401 km
Recommended fuel grade
Unleaded petrol 95 RON

Dimensions and capacities

Overall length
1 mm
Overall width
780 mm
Overall height
800 mm
Wheelbase
1350 mm
Minimum ground clearance
180 mm
Seat height
800 mm
Kerb weight
132.5 kg
Dry weight
74 kg
Gross vehicle weight
330 kg
Maximum payload
170 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
17 in
Rear wheel size
17 in
Wheel type
Alloy
Front tyre size
90/90-17
Rear tyre size
110/80-17
Tyre construction
Bias-ply
Tyre fitment type
Tubeless
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
12 months
Vehicle warranty distance
10000 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
Off-road / closed-course use stated
CO₂ emissions
57.9 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 dedicated off-road machine for private ground and organised riding

Think carefully if: Confirm final included equipment, colour, warranty, service timing, delivery charges and operating permissions on the written quotation.

Value check: At R16,999, judge this exact derivative against route, load, rider fit and support.

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

Official listed finishes

Colours

BlackBlueRedWhite
Common buying questions

Big Boy RFZ125J 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 RFZ125J product page ↗Big Boy South Africa completed model and variant specification collection ↗Specification document ↗Accessed 1 October 2026Reliability tier 2