Key performance
Technical specifications
- Power
- 8.9 ch @ 7500 tr/min (6.5 kW) → 8.0 ch @ 7500 tr/min (6.5 kW)
- Compression ratio
- 9.5:1 → 9.0:1
- Camshafts
- — → 1 ACT
- Fuel system
- Carburettor. 20mm piston-valve carburetor → Injection. 22mm throttle bore
- Ignition
- Capacitor Discharge → Full Transistorized
- Starter
- Kick → Electric & kick
- Final drive
- Chain (final drive) → Chain (final drive)
- Clutch
- — → Wet multi-plate
- Front suspension
- 31mm telescopic fork → 31mm leading-axle fork
- Front wheel travel
- 275 mm (10.8 inches) → 150 mm (5.9 inches)
- Rear wheel travel
- 282 mm (11.1 inches) → 140 mm (5.5 inches)
- Front brakes
- Single disc. Hydraulic. → Single disc. Hydraulic.
- Front tyre
- 70/100-17 → 70/100-17
- Rear tyre
- 90/100-14 → 90/100-14
- Seat height
- 735.00 mm → 739.00 mm
- Ground clearance
- 219.00 mm → 211.00 mm
- Width
- 740.00 mm → 739.00 mm
- Height
- 1010.00 mm → 1000.00 mm
- Fuel capacity
- 4.30 L → 3.79 L
- New price
- — → 3 149 €
Engine
- Displacement
- 125 cc
- Power
- 8.0 ch @ 7500 tr/min (6.5 kW)
- Torque
- 10.2 Nm @ 4500 tr/min
- Engine type
- Single cylinder, four-stroke
- Cooling
- Air
- Compression ratio
- 9.0:1
- Bore × stroke
- 52.4 x 57.9 mm (2.1 x 2.3 inches)
- Valves/cylinder
- 2
- Camshafts
- 1 ACT
- Fuel system
- Injection. 22mm throttle bore
- Valve timing
- Single Overhead Cams (SOHC)
- Ignition
- Full Transistorized
- Starter
- Electric & kick
Chassis
- Frame
- Diamond, steel
- Gearbox
- 4-speed
- Final drive
- Chain (final drive)
- Clutch
- Wet multi-plate
- Front suspension
- 31mm leading-axle fork
- Rear suspension
- Pro-Link single-shock
- Front wheel travel
- 150 mm (5.9 inches)
- Rear wheel travel
- 140 mm (5.5 inches)
Brakes
- Front brakes
- Single disc. Hydraulic.
- Rear brakes
- Expanding brake (drum brake)
- Front tyre
- 70/100-17
- Rear tyre
- 90/100-14
Dimensions
- Seat height
- 739.00 mm
- Wheelbase
- 1219.00 mm
- Ground clearance
- 211.00 mm
- Length
- 1770.00 mm
- Width
- 739.00 mm
- Height
- 1000.00 mm
- Fuel capacity
- 3.79 L
- Weight
- 88.00 kg
- New price
- 3 149 €
Overview
What two-wheeler should you get for a young rider who has already worn down their knobs on a 110 and is craving more thrills in the ruts? Honda answers with the CRF125F, a small 4-stroke 124.9 cc dirt bike designed as a stepping stone toward larger displacements. Priced at 3149 euros, it clearly targets teenagers on the rise, but also smaller-framed adults looking for a lightweight machine to get into off-road riding without pressure. At 88 kg wet, we're in featherweight territory, and the seat height of 739 mm remains accessible for legs still growing.

Under the bodywork, the single-cylinder produces 8 horsepower at 7500 rpm and 10.2 Nm of torque from just 4500 rpm. On paper, it's modest. In practice, it's exactly what's needed to learn throttle control. The Keihin electronic fuel injection delivers a clean, smooth response regardless of engine speed. No nasty surprises at mid-throttle, no kick when cresting a bump. The 4-speed gearbox, short and well-spaced, perfectly matches the engine's character: you stay focused on your line rather than on the mechanics. The Honda CRF125F is not a 2-stroke, and that's intentional. Where a Yamaha YZ125 or a KTM 125 SX flirt with 110 km/h thanks to their competition-bred 2-stroke engines, the CRF tops out around 90 to 95 km/h. Less quick, certainly, but significantly easier to tame. Honda reliability does the rest: simple maintenance, accessible oil filter, negligible fuel consumption — though the 3.79-liter tank does demand frequent fill-ups.
The steel diamond frame borrows the philosophy of the CRF 250R and 450R. You get that same balance between rigidity and flex that keeps the machine predictable on rough terrain. The 31 mm leading-axle fork handles bumps adequately for this price range, and the Pro-Link rear mono-shock completes a cohesive package. This isn't GP-level hardware — nobody claims otherwise — but for a rider in training, the rolling chassis inspires confidence. The 17-inch front and 14-inch rear wheels, in the big wheel version, promote stability and obstacle clearance. Braking pairs a hydraulic disc up front with a drum at the rear. A drum brake may come as a surprise in 2023, but on a machine built for learning, the progressiveness it offers prevents unwanted rear-wheel lockups.
A few well-thought-out details deserve praise: the electric starter backed up by a kickstarter for tough mornings, an adjustable brake lever to fit different hand sizes, and a minimalist instrument cluster integrated into the handlebar with a low-fuel warning light. Honda also tucked the metal tank inside the frame cradle — a pragmatic choice when you know that crashes are part of the learning curve. The overall ergonomics, with a wide handlebar and waffle grips, make it easy to handle for young or slight builds.
Against the competition, the Honda CRF125F occupies a niche all its own. It doesn't play in the league of competition 125 motocrossers — it's too tame for that. Instead, it positions itself as a rugged educational tool, a rational choice for parents who want to see their child progress without putting themselves in danger. On the used market, it regularly appears at reasonable prices thanks to strong sales volumes. Its main drawback remains the small tank, which limits range on longer enduro outings. Beyond that, it's pure-bred Honda: reliable, no surprises, built to outlast a teenager's enthusiasm.
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