2018 Honda CRF250R Torque Specs: Complete Fastener Reference for the Evolved 250MX

Shop parts for a 2018 Honda CRF250R Dirt Bike.

The 2018 Honda CRF250R carried forward the redesigned 2017 platform with further engine and suspension refinements aimed at improving both raw performance and overall rider feedback. The fuel-injected 249cc DOHC liquid-cooled engine continued to be developed for sharper throttle response and more consistent power delivery across track conditions. This torque reference covers all key fasteners on the 2018 CRF250R.

Engine Torque Specifications

FastenerTorque (ft-lb)Torque (Nm)
Spark plug8–1011–14
Oil drain bolt18–2224–30
Cylinder head bolts (10mm)29–3339–45
Cylinder head bolts (6mm)9–1112–15
Cam sprocket bolts14–1819–24
Clutch hub nut87–101118–137
Flywheel/rotor nut76–87103–118

Suspension & Chassis Torque Values

FastenerTorque (ft-lb)Torque (Nm)
Fork pinch bolts (upper)15–1920–26
Fork pinch bolts (lower)15–1920–26
Steering stem nut72–8798–118
Handlebar clamp bolts14–1819–24
Swingarm pivot bolt87–101118–137
Rear shock upper mount33–4045–54
Rear shock lower mount33–4045–54
Linkage pivot bolts40–4754–64

Wheels & Drivetrain

FastenerTorque (ft-lb)Torque (Nm)
Front axle nut36–4349–58
Rear axle nut76–87103–118
Rear sprocket nuts36–4349–58
Drive sprocket bolt25–2934–39
Chain adjuster lock nuts14–1819–24

Brake System

FastenerTorque (ft-lb)Torque (Nm)
Front caliper mounting bolts20–2527–34
Front brake disc bolts14–1719–23
Rear caliper mounting bolts22–2730–37
Rear brake disc bolts14–1719–23

The 2018 CRF250R's refined engine and suspension demand the same systematic pre-race torque discipline as every CRF250R before it. Axles, brakes, fork clamps, handlebar mounts, and sprockets before every moto—plus linkage and swingarm pivot checks after hard sessions. A calibrated torque wrench is the most important single tool in any 2018 CRF250R maintenance program.

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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.