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YSS Rear Shock Absorber - 789.04.35

YSS Rear Shock Absorber - 789.04.35

Improve your motorcycle's stability and comfort with the YSS hydraulic rear shock absorber. Featur...

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Shock Absorber Pair Rear For Kawasaki BJ 250 Estrella 94-99 YSS Absorbers

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Product Information

Full details

The YSS Rear Shock Absorber (789.04.35) is designed for motorcycle riders seeking improved handling, enhanced stability, and a personalized ride comfort. It is ideal for street riders and enthusiasts looking to fine-tune their suspension, though users should be aware that proper setup is required to achieve optimal damping characteristics for their specific weight and riding style.

All features

Model Part Number789.04.35
BrandYSS

Extended Product Information

FAQs

Can I install this shock absorber by myself?

If you have basic mechanical tools and experience with motorcycle suspension, it is possible; however, consulting a professional mechanic is recommended for safety.

How do I adjust the spring preload?

Use the dedicated C-spanner tool provided or compatible shock tools to turn the preload collar on the body of the shock to compress or release the spring.

Is this shock suitable for racing?

While it offers improved performance over stock units, it is primarily designed for street use and general comfort enhancement.

Does the shock come with mounting hardware?

Typically, YSS shocks use the original bolts and hardware from your motorcycle, though you should verify this against your specific bike model requirements.

How often should the shock be serviced?

It is recommended to inspect the unit every 10,000 kilometers, though the interval may vary based on your riding intensity and environmental conditions.

Troubleshooting

Suspension feels too soft or bottoms out

Increase the spring preload by tightening the adjustment ring to increase spring tension.

Ride feels too harsh or 'stiff'

Decrease the spring preload by loosening the adjustment ring.

Signs of oil leaking near the seal

Inspect for damage and contact a professional technician; internal seals may require service or replacement.

Pros and Cons

Pros

  • Significantly improves motorcycle stability during cornering
  • Easy-to-use spring preload adjustment mechanism
  • Provides a smoother, more controlled ride compared to stock shocks
  • Reliable hydraulic design for consistent performance

Cons

  • Requires mechanical knowledge for proper installation
  • Adjustment settings may require trial and error to find the 'sweet spot'
  • Compatibility is limited to specific motorcycle models matching the 300 mm spec

Setup, Compatibility & Care

Before installation, ensure your motorcycle model is officially supported for the 300 mm shock length to avoid altering the bike's geometry, which could negatively impact steering handling. Installation involves removing the factory shock absorber and securing the YSS unit using the existing mounting hardware, ideally following your motorcycle's service manual for specific torque settings. Regarding care, periodically inspect the shaft for signs of oil leaks or damage. Keep the adjustment rings clean and free of road debris, and apply a light coating of anti-seize or silicone spray to the threads of the spring collar to prevent binding over time.

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