2019 Honda CRF250F Torque Specs: A Complete Fastener Reference

Shop parts for a 2019 Honda CRF250F Dirt Bike.

The 2019 Honda CRF250F represents a significant step up from the CRF150 and CRF230 family—a fuel-injected, liquid-cooled 249cc four-stroke trail bike aimed at beginner-to-intermediate riders who want modern performance without the aggressive edge of a full competition machine. Its SOHC engine, Pro-Link rear suspension, and user-friendly power delivery make it an ideal daily trail rider. Proper torque on every fastener ensures the 2019 CRF250F stays reliable through every adventure.

Engine Torque Specifications

The 2019 CRF250F runs a fuel-injected 249cc SOHC engine with PGM-FI—a significant upgrade over the carbureted 223cc used in earlier CRF230 models. Liquid cooling keeps temperatures stable, but head and cylinder hardware still requires precise torque to maintain head gasket integrity.

FastenerTorque (ft-lb)Torque (Nm)
Spark plug12–1516–20
Oil drain bolt18–2224–30
Cylinder head bolts (10mm)28–3338–45
Cylinder head bolts (6mm)9–1112–15
Cam sprocket bolt14–1819–24
Valve cover bolts7–99–12

Suspension Torque Values

The CRF250F uses conventional telescopic forks and a Pro-Link rear shock with 10.2 inches of rear wheel travel. Suspension hardware must be properly torqued to maintain alignment, prevent clamp slippage, and ensure the swingarm pivot doesn't develop play over time.

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 bolts18–2224–30
Swingarm pivot nut47–5464–73
Rear shock upper mount33–4045–54
Rear shock lower mount33–4045–54
Linkage pivot bolts29–3639–49

Wheels & Drivetrain

The 2019 CRF250F runs 21-inch front and 18-inch rear spoked wheels, well-suited for trail work. The chain and sprocket system drives a 6-speed transmission with a light, easy clutch pull designed for beginner-friendly operation.

FastenerTorque (ft-lb)Torque (Nm)
Front axle nut36–4349–58
Rear axle nut47–5464–73
Rear sprocket nuts29–3639–49
Drive sprocket bolt20–2527–34
Chain adjuster lock nuts12–1716–23

Brake System

Hydraulic disc brakes front and rear give the 2019 CRF250F more stopping confidence than drum systems found on older entry-level bikes. Disc bolts should receive a drop of medium thread locker at every reassembly to prevent backing out from trail vibration.

FastenerTorque (ft-lb)Torque (Nm)
Front caliper bolts18–2224–30
Front brake disc bolts14–1719–23
Rear caliper bolts20–2527–34
Rear brake disc bolts14–1719–23

Torque Tools & Tips for the CRF250F

The 2019 CRF250F is Honda's entry into the FI trail bike segment and deserves the same precision torque work as a competition machine. A 3/8-drive click-type torque wrench handles every spec on the bike. Keep threads clean, torque dry unless noted, and use anti-seize on the spark plug only. The PGM-FI fuel injection system on the 2019 model requires no additional torque considerations beyond standard fuel line fittings, which should be hand-tight plus a quarter turn.

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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.