South Africa catalogue Prices in ZAR · Sources dated on every model
MotocrossActiveRFZ125S — current South African listing

Big Boy RFZ125S

RFZ125S — current South African listing is the exact South African Big Boy off-road machine listing for RFZ125S. off-road machine using a 125 cc petrol engine, Manual transmission and 2.49 L/100 km recorded fuel use. Its listed price is R17,999; 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 fromR17,999Dealer-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

RFZ125S — current South African listing buyer overview

RFZ125S — current South African listing is the derivative a buyer should put on the quotation when comparing RFZ125S. Big Boy lists it at R17,999 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.

The stated drivetrain uses Manual with 5 gears and Chain. Pay attention to gear selection, drive response, brake feel, steering effort and the space required to turn around safely.

The physical package is 1 by 860 by 800 mm, with 1260 mm between the axles. The 800 mm seat and 132.5 kg listed mass help decide who can manage it, while 180 mm ground clearance should be compared with the actual route or loading area.

The road or work feel is shaped by 70-inch front and 90-inch rear wheels, 70/100/19/90/100/16 tyres and Disc/Disc braking. Before delivery, check markings, pressures, wheel condition, lever travel and lighting.

The practical limit is the listed 2-person seating and 170 kg maximum payload where supplied. Compare those figures with riders, tools, cargo, racks and accessories together. A tray or passenger seat is not permission to exceed the boundary.

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.

As the exact RFZ125S derivative, RFZ125S — current South African listing should be compared by equipment and duty cycle rather than nameplate alone. Confirm what is included, whether the displayed body or battery configuration matches the stock unit, and how the dealer supports this reference.

Use this variant page to prepare exact questions: what is included, how is it serviced, which loads or passengers are allowed, and where can it be supported? Confirm each answer against RFZ125S — current South African listing before taking delivery.

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 RFZ125S — current South African listing record is priced at R17,999. Keep its model name, powertrain, seating, payload, range or fuel figure and equipment together when comparing it with another Big Boy listing.

Use this derivative as the reference point for future comparisons. Record the exact name, model year, price, colour, equipment and date, then compare competing products on the same basis. This avoids using a lower family price to judge a more equipped version or assuming that a different battery type, commercial body or wheel package will deliver the same result.

Ask the dealer to explain how the exact variant is supported after delivery. Confirm service location, first inspection, consumables, battery or charger coverage where relevant, warranty exclusions and the route for obtaining parts. Keep those answers with the written quotation. The product is ready to buy when the paperwork, displayed equipment and operator’s understanding all describe the same derivative.

Service planning is part of variant selection. Note the first inspection, recurring interval, oil or filter requirements, chain or drive checks, tyre pressures and battery care instructions. Ask which tasks are time-based and which are distance-based. A variant that fits the route but cannot be supported at the required intervals will create avoidable downtime.

The best test is representative. Ride or operate the exact variant at the speeds, surfaces and load conditions that matter, within the permitted limits. Try the turning space, braking effort, control reach, access height and parking routine. If it is electric, connect the supplied charger; if it is a cargo or utility product, inspect how the load is restrained. This is where a family description becomes a practical choice.

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.

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.

South Africa derivatives

Variants and prices

Currency: ZAR
VariantTransmissionStatusObserved price
RFZ125S — current South African listing Specs shown See confirmed specificationsActiveR17,999

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

RFZ125S — 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
Kick-start
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
860 mm
Overall height
800 mm
Wheelbase
1260 mm
Minimum ground clearance
180 mm
Seat height
800 mm
Kerb weight
132.5 kg
Dry weight
87 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
70 in
Rear wheel size
90 in
Wheel type
Alloy
Front tyre size
70/100/19
Rear tyre size
90/100/16
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
24 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
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 focused trail product for controlled riding areas

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

Value check: At R17,999, 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 RFZ125S 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 RFZ125S product page ↗Big Boy South Africa completed model and variant specification collection ↗Specification document ↗Accessed 1 October 2026Reliability tier 2