2006 Honda CR250 Torque Specs
Shop parts for a 2006 Honda CR250 Dirt Bike.
The 2006 Honda CR250 is widely regarded as one of the most sought-after late-production CR250 models. Honda had refined the aluminum frame, suspension, and two-stroke powerplant over many seasons, and by ’06 the package represented the fully mature version of the design. Correct torque values on every fastener are what keep a ’06 CR250 performing the way it was designed to.
Cylinder & Engine Assembly
The ’06 CR250 uses the proven 249cc liquid-cooled reed-valve two-stroke engine with Honda’s ATAC power valve system. Cylinder head bolts should be torqued in sequence with the engine cold—tightening a warm aluminum head can distort the mating surface and cause long-term sealing problems.
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Spark plug | 13–14 | 18–19 |
| Cylinder head bolts | 16–17 | 22–23 |
| Cylinder base bolts | 16–17 | 22–23 |
| Power valve cover bolts | 6–8 | 8–11 |
| Reed cage screws | 5–6 | 7–8 |
| Flywheel nut | 36–40 | 49–54 |
| Clutch hub nut | 40–47 | 54–64 |
Suspension Torque Values
Fork performance on the 2006 CR250 is one of its strong suits. The Showa units were praised for their plushness and precision. Triple clamp bolts at the correct torque allow the fork legs to function independently without binding. If they’re over-tightened, even a freshly revalved fork can feel wooden and unresponsive.
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Upper fork clamp bolts | 13–16 | 18–22 |
| Lower fork clamp bolts | 22–26 | 30–35 |
| Handlebar clamp bolts | 16–18 | 22–25 |
| Swingarm pivot nut | 58–65 | 79–88 |
| Rear shock upper mount | 29–33 | 39–45 |
| Rear shock lower mount | 29–33 | 39–45 |
| Pro-Link pivot bolts | 29–33 | 39–45 |
| Subframe bolts | 18–22 | 25–30 |
Wheel & Chain Drive Specs
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Front axle nut | 47–54 | 64–74 |
| Front axle clamp bolt | 13–16 | 18–22 |
| Rear axle nut | 72–80 | 98–108 |
| Rear sprocket nuts | 25–29 | 34–39 |
| Chain adjuster lock nuts | 11–14 | 15–19 |
Brakes
| Fastener | Torque (ft-lb) | Torque (Nm) |
|---|---|---|
| Front caliper bolts | 20–22 | 27–30 |
| Front disc bolts | 11–13 | 15–18 |
| Rear caliper bolts | 20–22 | 27–30 |
| Rear disc bolts | 11–13 | 15–18 |
The 2006 CR250 is a vintage two-stroke worth preserving. Beyond just torque values, protecting the aluminum threads throughout the bike is a priority during any service. Helicoil thread inserts can save an otherwise stripped boss in the frame or engine cases—far better than the alternative of replacing the entire component.
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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.