2018 Cobra CX65 Dirt Bike Torque Specs

Shop parts for a 2018 Cobra CX65 Dirt Bike.

The 2018 Cobra CX65 delivers the liquid-cooled 65cc youth motocross platform in its twelfth year with updated components and refined specifications. Twelve years of CX65 development have addressed every significant challenge the machine faces in competition use, producing the most thoroughly validated specification the platform has achieved. The 2018 CX65 serves a class that spans some of the most dramatic development years in a young rider’s motocross career — riders in the 65cc class are developing rapidly, both in physical size and racing skill, which means the machine’s consistent performance is particularly important during this formative period of their development.

Engine Torque Values

FastenerTorque (Nm)Torque (ft-lbs)
Spark Plug1813
Cylinder Head Bolts1813
Cylinder Base Bolts1511
Flywheel/Rotor Nut3526
Clutch Hub Nut3526
Exhaust Flange Nuts129
Water Pump Cover Bolts86

Chassis & Suspension

FastenerTorque (Nm)Torque (ft-lbs)
Swingarm Pivot Bolt3022
Lower Triple Clamp Pinch Bolts107
Upper Triple Clamp Pinch Bolts1511
Handlebar Clamp Bolts107
Shock Upper Mount2518
Shock Lower Mount2518
Linkage Bolts2518
Subframe Bolts1511
Engine Mount Bolts2518

Wheels & Drivetrain

FastenerTorque (Nm)Torque (ft-lbs)
Front Axle Nut2518
Rear Axle Nut4533
Rear Sprocket Nuts1813
Chain Adjuster Lock Nuts129

Brakes

FastenerTorque (Nm)Torque (ft-lbs)
Front Caliper Bolts1813
Rear Caliper Bolts1511
Front Disc Bolts86
Rear Disc Bolts86

65cc Class Notes

Premix two-stroke — no oil drain plug. Twelve years of validated specifications; maintain them exactly. Inspect coolant system at each service. A 3/8-inch drive handles primary fasteners; 1/4-inch for small hardware.

Thread Locker Recommendations

  • Rear sprocket nuts
  • Disc bolts (front and rear)
  • Linkage bolts
  • Subframe bolts
  • Exhaust flange nuts

Torque Wrench Selection

A 3/8-inch drive click-type — 10–50 Nm — handles the twelfth-year CX65. Calibrated maintenance keeps the platform consistent through the fastest development years of a young rider’s career.

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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.