2025 Honda CRF125FB Torque Specs
Shop parts for a 2025 Honda CRF125FB Dirt Bike.
The 2025 Honda CRF125FB continues as a current-production trail bike offering taller riders an ergonomic fit through bigger wheels and a higher seat height without sacrificing the accessible power delivery and manageable handling of the standard CRF125F. The 125cc air-cooled four-stroke and five-speed manual gearbox remain the proven core of the platform. Torque specifications for the 2025 CRF125FB are maintained below.
Engine Fasteners
The 2025 CRF125FB engine shares all torque values with the current standard CRF125F. Valve clearance service remains an important periodic item on the four-stroke service schedule. The valve cover bolt torque applied in a cross pattern on reinstallation is the final step of this service and keeps the gasket compressed evenly for long-term oil retention.
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Spark plug | 11–14 | 15–19 |
| Cylinder head bolts | 16–18 | 22–25 |
| Valve cover bolts | 7–9 | 10–12 |
| Oil drain plug | 18–22 | 25–30 |
| Flywheel nut | 36–43 | 49–59 |
| Clutch hub nut | 29–36 | 39–49 |
Suspension & Chassis
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Fork clamp bolts | 9–11 | 12–15 |
| Handlebar clamp bolts | 11–14 | 15–19 |
| Swingarm pivot nut | 36–43 | 49–59 |
| Rear shock mount bolts | 22–29 | 30–39 |
Big Wheel Axle & Drive
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Front axle nut | 29–36 | 39–49 |
| Rear axle nut | 54–65 | 74–88 |
| Rear sprocket nuts | 18–22 | 25–30 |
| Chain adjuster lock nuts | 9–11 | 12–15 |
Brakes
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Front brake plate bolt | 9–11 | 12–15 |
| Rear brake plate bolt | 9–11 | 12–15 |
The 2025 CRF125FB is fully current with Honda parts support. Correct torque throughout every service keeps this trail bike performing as designed, giving bigger riders the reliable, confidence-building experience the CRF125FB was built to deliver.
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Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.
