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SG250 2019-Up Rear Wheel Removal

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How to Remove and Reinstall the Rear Wheel on Your CSC SG250

Maintaining your CSC SG250 motorcycle doesn’t have to be intimidating. With the right tools and a bit of guidance, tasks like removing and reinstalling the rear wheel can be done in your own garage. In this blog, we’ll walk you through the step-by-step process, including tips for keeping your bike in peak condition.

Tools You’ll Need:

  • 12mm wrench

  • 13mm wrench

  • 18mm wrench

  • 19mm wrench

  • Small jack

Preparation:

Start by placing your SG250 on the center stand. To make the rear wheel removal easier, use a jack to lift the front of the bike slightly. This allows the rear wheel to hang freely, removing its weight from the axle.

Rear Wheel Removal:

  1. Loosen the Axle Nut:

    • Use an 18mm wrench to hold the axle stationary and a 19mm wrench to remove the axle nut.

  2. Release Chain Tension:

    • Loosen the chain adjusters by breaking free the 13mm nuts and using a 12mm wrench to turn the adjusters. Repeat this process on both sides of the swing arm.

  3. Remove the Axle and Chain:

    • Pull out the axle and remove the chain from the sprocket. Be mindful of the brake caliper and ensure it doesn’t drop or get damaged during this process.

  4. Remove the Wheel:

    • Carefully slide the wheel out, ensuring there is enough clearance under the rear fender by slightly lifting the motorcycle with the jack if needed.

Parts Overview and Maintenance Tips:

While you have the rear wheel removed, take a moment to inspect the following:

  • Spacers:

    • The left (drive side) spacer is smaller, while the right (brake side) spacer is larger. Make sure you place them correctly during reinstallation.

  • Sprocket Carrier:

    • The SG250 features a cush drive hub. Over time, the bolts holding the sprocket can wear out. Upgrading to RX3 sprocket bolts with nylon lock nuts is a recommended enhancement for durability. Simply replace the stock bolts and lock tabs with this upgraded kit.

Rear Wheel Reinstallation:

  1. Align the Brake Caliper Bracket:

    • Ensure the slot in the brake caliper bracket aligns with the stay on the swing arm. Misalignment can cause the caliper to spin and damage the bike when the brakes are applied.

  2. Position the Rear Wheel:

    • Reinstall the wheel by aligning the spacers, brake caliper, and chain. Use the jack as needed to adjust the wheel height for proper alignment.

  3. Reinstall the Axle:

    • Apply a small amount of anti-seize to the axle where the bearings make contact. Slide the axle through the wheel and spacers, then reinstall the axle nut but leave it loose for now.

  4. Adjust the Chain Tension:

    • Use the chain adjusters to set the chain’s play to 10-20mm. Note that the chain may appear looser on the center stand than when the bike is resting on its own weight or with a rider onboard.

  5. Final Tightening:

    • Tighten the axle nut to approximately 40 ft-lb. Lock the chain adjusters in place with the 13mm wrench.

  6. Verify Alignment and Brake Function:

    • Check that the brake caliper pads are properly positioned around the disc and ensure the caliper bracket is securely aligned. Pump the brake lever to restore brake pressure and verify the brake functions correctly.

Final Checks:

Before hitting the road, double-check the following:

  • Chain tension is within the 10-20mm specification.

  • Axle nut and adjusters are securely tightened.

  • Brake function and alignment are correct.

Conclusion:

Removing and reinstalling the rear wheel on your CSC SG250 is easier than you might think. Taking the time to do this yourself not only saves you money but also gives you a better understanding of your motorcycle’s mechanics. For replacement parts or upgrades like the RX3 sprocket bolt kit, visit the CSC Motorcycles website using the link below.

Until next time, enjoy the ride!