2009 Honda CRF100F Torque Specs

Shop parts for a 2009 Honda CRF100F Dirt Bike.

The 2009 Honda CRF100F was a continued expression of Honda’s commitment to an accessible, reliable trail bike for entry-level and recreational riders. The air-cooled 99cc four-stroke single kept its same fundamental architecture—electric start, low seat height, and predictable power delivery well-suited to developing riding skills. Torque specifications for the ’09 CRF100F are the baseline for all routine service procedures.

Engine & Oil System Fasteners

Valve clearance checks are a periodic service requirement on the CRF100F that the CR two-strokes don’t share. When the valve cover is removed for clearance inspection, the cover bolts must be returned to the correct torque to prevent oil weeping from the gasket. Similarly, the oil drain plug torque is the most frequently performed fastener service on this four-stroke machine.

FastenerTorque (ft-lb)Torque (Nm)
Spark plug11–1415–19
Cylinder head bolts14–1619–22
Valve cover bolts7–910–12
Oil drain plug18–2225–30
Flywheel nut29–3639–49
Clutch hub nut22–2930–39

Suspension & Chassis

FastenerTorque (ft-lb)Torque (Nm)
Fork clamp bolts9–1112–15
Handlebar clamp bolts11–1415–19
Swingarm pivot nut36–4349–59
Rear shock mount bolts18–2225–30

Wheels & Drive

FastenerTorque (ft-lb)Torque (Nm)
Front axle nut22–2930–39
Rear axle nut36–4349–59
Rear sprocket nuts18–2225–30
Chain adjuster lock nuts7–1110–15

Brakes

FastenerTorque (ft-lb)Torque (Nm)
Front brake plate bolt9–1112–15
Rear brake plate bolt9–1112–15

The 2009 CRF100F is a machine where consistent, basic maintenance pays the greatest dividends. Correct torque on oil drain and spark plug, seasonal valve checks, and chain tension management cover the vast majority of what this four-stroke needs to run indefinitely.

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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.