2017 Cobra CX50P3 Dirt Bike Torque Specs

Shop parts for a 2017 Cobra CX50P3 Dirt Bike.

The 2017 Cobra CX50P3 continues the three-speed automatic 50cc platform with updated component specifications and improved suspension settings. The air-cooled 50cc two-stroke with automatic three-speed transmission serves a new generation of beginner youth riders who benefit from reduced clutch complexity. Updated suspension on the 2017 P3 improves compliance for the range of young rider weights the automatic transmission model attracts — P3 riders tend to be newer to motorcycles and may be lighter than experienced 50cc class competitors. Fork clamp torque at 8 Nm and shock mount hardware at 12 Nm preserve the updated suspension’s performance through a full season.

Engine Torque Values

FastenerTorque (Nm)Torque (ft-lbs)
Spark Plug129
Cylinder Head Nuts86
Cylinder Base Nuts86
Flywheel/Rotor Nut2518
Clutch/Transmission Cover Bolts86
Exhaust Flange Nuts86

Chassis & Suspension

FastenerTorque (Nm)Torque (ft-lbs)
Swingarm Pivot Bolt1813
Fork Clamp Bolts86
Handlebar Clamp Bolts86
Shock Upper Mount129
Shock Lower Mount129
Subframe Bolts107
Engine Mount Bolts129

Wheels & Drivetrain

FastenerTorque (Nm)Torque (ft-lbs)
Front Axle Nut129
Rear Axle Nut2216
Rear Sprocket Nuts129
Chain Adjuster Lock Nuts86

Brakes

FastenerTorque (Nm)Torque (ft-lbs)
Front Caliper Bolts86
Rear Caliper Bolts86
Disc Bolts64

Three-Speed Automatic Notes

Premix two-stroke — no oil drain plug. Updated suspension makes fork clamp and shock mount verification especially important. Transmission cover bolts at 8 Nm require periodic checks. A 1/4-inch drive wrench handles all fasteners.

Thread Locker Recommendations

  • Rear sprocket nuts
  • Disc bolts
  • Subframe bolts
  • Exhaust flange nuts

Torque Wrench Selection

A 1/4-inch drive click-type — 2–25 Nm — covers every fastener on the 2017 CX50P3 including the unique transmission cover hardware.

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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.