The 125S features a 4-stroke air-cooled powerplant with a 4-speed manual gearbox, geared to tackle pit bike tracks and off road trails with ease. Cutting-edge styling on the new 2022 bodywork gives the RFZ a modern big-bike look and the attention to design and build quality is top-notch.
The new trellis-frame and rebound adjustable back mono-shock add to the razor-sharp handling of the RFZ and features like front and rear disc brakes round off the package.
The 125S is the tallest pit bike in Big Boy’s range, featuring an 860mm seat height and 19”/16” wheels making it the perfect model for medium sized riders, male or female, beginner or experienced.
Recommended age depending on rider height: 13 Years and over.
Big Boy RFZ125S
| Engine | |
| Engine Type | 4-Stroke Air-cooled |
| Displacement | 124cc |
| Fuel Consumption | N/A |
| Max Power | 7Kw/9450rpm |
| Cruising Speed | Off-Road |
| Clutch Type | Multiplate, Manual 4-speed, N1234, Chain 428 |
| Starting System | Kick-start |
| Max Torque | 8.6Nm/5500rpm |
| Max Speed | Off-Road |
| Chassis | |
| Brakes | Front-disc, rear-disc (both with aluminium levers, braided hose, light weight master cylinder) |
| Tyre Size | Front-60/100×17, rear-80/100×14 |
| Dimensions | |
| Length (L x W x H) | 1,860×650×1,150mm |
| Seat Height | 890mm |
| Wheel Base | 1,280mm |
| Dry Weight | 69kg |
| Tank Capacity | 4.0Litres |
| Usage | |
| Max Rider Weight | 130kg |
| Age Requirement | 12yrs to adult |
| Application | Off-Road/Recreation Riding |
| Warranty Period | 1Year/10 000km Factory SAM Warrantee |
| Run in Service | 5 Tanks/1 month |
| Service Intervals | Every 20th Tank/3 months |