When troubleshooting a motorcycle shaking at the rear wheel, there are several potential causes to consider. Here's a step-by-step approach you can take to diagnose and address the issue:
Check tire pressure: Improper tire pressure can cause vibrations and shaking. Ensure both the rear tire's pressure meets the manufacturer's specifications.
Inspect tire condition: Examine the rear tire for any signs of damage, such as bulges, cracks, or uneven wear. If the tire is worn out or damaged, it may need replacement.
Wheel balance: An unbalanced rear wheel can lead to shaking. Take the motorcycle to a professional or use a balancing stand to check if the wheel is properly balanced. If it's not, it may require balancing weights or adjustment.
Check wheel alignment: Misaligned wheels can cause shaking. Measure the distance between the rear wheel and various reference points on the motorcycle, following the manufacturer's specifications. If misaligned, adjust the alignment accordingly.
Suspension components: Inspect the rear suspension components, including the shocks, swingarm, and linkage. Look for signs of damage, loose bolts, or worn-out bushings. Replace or tighten components as necessary.
Wheel bearings: Worn or damaged wheel bearings can cause vibrations. Check for excessive play or roughness when spinning the rear wheel. If needed, replace the wheel bearings.
Chain tension: An overly tight or loose chain can cause vibrations. Check the rear chain's tension using the manufacturer's guidelines. Adjust the tension if necessary.
Sprockets: Worn or damaged sprockets can also contribute to shaking. Inspect the rear sprocket for signs of wear or missing teeth. Replace the sprocket if needed.
Brake system: Faulty or unevenly worn brake pads or discs can lead to vibrations. Check the condition of the brake pads and discs. Replace any worn-out or damaged components.
Seek professional help: If you've followed these steps and the issue persists, it's recommended to consult a qualified motorcycle mechanic. They will have the expertise and specialized tools to diagnose and fix the problem accurately.
Remember, safety is paramount, so if you're uncertain about any steps or lack the necessary tools, it's best to consult a professional motorcycle technician.