2019 Honda CRF250RX Torque Specs: Cross-Country Race Machine Fastener Reference
Shop parts for a 2019 Honda CRF250RX Dirt Bike.
The 2019 Honda CRF250RX is Honda's purpose-built cross-country enduro racer, combining the CRF250R's 249cc SOHC liquid-cooled engine with an XC-specific chassis package that includes an 18-inch rear wheel, longer-range fuel system, and enduro-spec lighting. Where the CRF250R is optimized for the track, the CRF250RX is built for extended racing over varied terrain—from tight woods sections to open hill climbs. This torque reference covers all key fasteners on the 2019 Honda CRF250RX.
Engine Fastener Torque Specs
The 2019 CRF250RX runs the same SOHC 249cc liquid-cooled engine as the CRF250R, tuned with different fuel mapping for cross-country applications. All engine fastener torque specifications are shared between the CRF250R and CRF250RX platforms.
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Spark plug | 9–11 | 12–15 |
| Oil drain bolt | 18–22 | 24–30 |
| Cylinder head bolts (10mm) | 29–33 | 39–45 |
| Cylinder head bolts (6mm) | 9–11 | 12–15 |
| Cam sprocket bolt | 14–18 | 19–24 |
| Clutch hub nut | 87–101 | 118–137 |
| Flywheel/rotor nut | 76–87 | 103–118 |
Suspension & Chassis
The 2019 CRF250RX uses a suspension setup tuned for enduro's varied terrain. Fork clamp and linkage torque values are the same as the CRF250R and must be confirmed after any suspension service.
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Fork pinch bolts (upper) | 15–19 | 20–26 |
| Fork pinch bolts (lower) | 15–19 | 20–26 |
| Steering stem nut | 72–87 | 98–118 |
| Handlebar clamp bolts | 14–18 | 19–24 |
| Swingarm pivot bolt | 87–101 | 118–137 |
| Rear shock upper mount | 33–40 | 45–54 |
| Rear shock lower mount | 33–40 | 45–54 |
| Linkage pivot bolts | 40–47 | 54–64 |
Wheels & Drivetrain
The 2019 CRF250RX's 21/18-inch XC wheel setup differs from the CRF250R's 21/19-inch MX configuration. Axle torque values are the same, but the 18-inch rear wheel and different tire profile suit the varied surfaces of cross-country racing.
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Front axle nut | 36–43 | 49–58 |
| Rear axle nut | 76–87 | 103–118 |
| Rear sprocket nuts | 36–43 | 49–58 |
| Drive sprocket bolt | 25–29 | 34–39 |
| Chain adjuster lock nuts | 14–18 | 19–24 |
Brake Hardware
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Front caliper mounting bolts | 20–25 | 27–34 |
| Front brake disc bolts | 14–17 | 19–23 |
| Rear caliper mounting bolts | 22–27 | 30–37 |
| Rear brake disc bolts | 14–17 | 19–23 |
The 2019 CRF250RX faces a different challenge than the CRF250R—extended cross-country races expose fasteners to prolonged vibration and varied terrain impacts that MX track racing doesn't replicate. Pre-race torque checks are just as critical on the RX as the R, with the addition of checking drivetrain and brake hardware at any mid-race neutral service stop on longer events.
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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.
