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
| Fastener | Torque (Nm) | Torque (ft-lbs) |
|---|---|---|
| Spark Plug | 18 | 13 |
| Cylinder Head Bolts | 18 | 13 |
| Cylinder Base Bolts | 15 | 11 |
| Flywheel/Rotor Nut | 35 | 26 |
| Clutch Hub Nut | 35 | 26 |
| Exhaust Flange Nuts | 12 | 9 |
| Water Pump Cover Bolts | 8 | 6 |
Chassis & Suspension
| Fastener | Torque (Nm) | Torque (ft-lbs) |
|---|---|---|
| Swingarm Pivot Bolt | 30 | 22 |
| Lower Triple Clamp Pinch Bolts | 10 | 7 |
| Upper Triple Clamp Pinch Bolts | 15 | 11 |
| Handlebar Clamp Bolts | 10 | 7 |
| Shock Upper Mount | 25 | 18 |
| Shock Lower Mount | 25 | 18 |
| Linkage Bolts | 25 | 18 |
| Subframe Bolts | 15 | 11 |
| Engine Mount Bolts | 25 | 18 |
Wheels & Drivetrain
| Fastener | Torque (Nm) | Torque (ft-lbs) |
|---|---|---|
| Front Axle Nut | 25 | 18 |
| Rear Axle Nut | 45 | 33 |
| Rear Sprocket Nuts | 18 | 13 |
| Chain Adjuster Lock Nuts | 12 | 9 |
Brakes
| Fastener | Torque (Nm) | Torque (ft-lbs) |
|---|---|---|
| Front Caliper Bolts | 18 | 13 |
| Rear Caliper Bolts | 15 | 11 |
| Front Disc Bolts | 8 | 6 |
| Rear Disc Bolts | 8 | 6 |
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.
Related Shopping Categories
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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.