2018 Honda CRF125FB Torque Specs
Shop parts for a 2018 Honda CRF125FB Dirt Bike.
The 2018 Honda CRF125FB received the same styling update as the standard CRF125F for that year, with revised graphics and bodywork. The 125cc air-cooled four-stroke engine and five-speed manual gearbox in the Big Wheel configuration remained the same reliable package for taller riders seeking better ergonomic fit and ground clearance. Torque specifications for the 2018 CRF125FB apply across all service fasteners.
Engine Specs
The 2018 CRF125FB uses the same engine torque values as the 2018 CRF125F standard model. No engine changes accompanied the styling update, so all assembly and service torques are consistent with the established CRF125F generation values.
| 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 Hardware
| 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 2018 CRF125FB’s styling updates kept it fresh while the mechanical foundation remained proven. Proper torque discipline across all fasteners—especially the bigger axle hardware of the Big Wheel variant—keeps the machine safe and reliable through its service life.
Related Shopping Categories
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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.
