Motorcycle Brake Disc - TRW - MST364

This TRW Motorcycle Brake Disc, part number MST364, is designed for the rear axle and features a p...

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Product Information

Full details

This TRW Motorcycle Brake Disc (MST364) is designed for the rear axle of SUZUKI GSX 750 F (GR78A) models from 1989-1997, offering reliable stopping power for motorcycle enthusiasts. Its key benefit is the perforated rotor style that enhances heat dissipation and braking performance. A potential caveat for some users might be its specific fitment, requiring confirmation against their exact motorcycle model and year.

All features

Model Part NumberMST364
BrandTRW

Extended Product Information

FAQs

What is the purpose of the perforated holes in this brake disc?

The perforations enhance heat dissipation by allowing air to circulate around the disc, helping to prevent brake fade during heavy use. They also help to clear away brake dust and gases.

Is this brake disc compatible with my motorcycle?

This TRW MST364 disc is specifically designed for the rear axle of SUZUKI GSX 750 F (GR78A) models from 01/1989 to 12/1997. Please confirm your motorcycle's exact make, model, and year.

Do I need to replace my brake pads when installing this new disc?

It is highly recommended to replace your brake pads whenever you install a new brake disc. This ensures optimal performance, prevents premature wear on the new disc, and guarantees the best possible braking. Ensure you use pads compatible with perforated discs.

How should I clean the brake disc?

Clean the disc surface using a dedicated motorcycle brake cleaner solvent. Avoid using harsh chemicals or abrasives. Ensure the disc is dry before riding.

What are the dimensions of this brake disc?

The disc has an outer diameter of 250 mm, an inner diameter of 84 mm, and a thickness of 5 mm.

Can this disc be used for off-road riding?

While designed for on-road use on specific SUZUKI models, the perforated design may be susceptible to clogging with mud and debris in off-road conditions, potentially affecting performance and increasing wear. It is primarily intended for street and performance street riding.

Troubleshooting

Brake disc is noisy (squealing or grinding)

Ensure the disc is correctly seated and all mounting bolts are torqued to specification. Check for debris caught in the perforations or between the pad and disc. Uneven wear on brake pads can also cause noise; consider replacing pads if worn unevenly.

Brake lever feels spongy or has excessive travel

This typically indicates an issue with the brake fluid or the hydraulic system. Check the brake fluid level and condition, and bleed the brake system to remove any air. Inspect brake lines for leaks or damage.

Reduced braking performance

Inspect brake pads for wear and contamination. Ensure the disc surface is clean and free from oil or grease. Check for any signs of disc warping or damage. If the issue persists, the hydraulic system may need inspection.

Disc shows signs of premature wear or discoloration

This could be due to overheating, improper installation, or using incompatible brake pads. Ensure correct installation procedures were followed and that the brake pads are suitable for use with perforated discs. Avoid excessive 'riding' of the brakes.

Pros and Cons

Pros

  • Improves braking performance through heat dissipation.
  • Durable construction from a reputable automotive safety brand.
  • Designed for a precise fit on specific SUZUKI motorcycle models.
  • Perforated design offers aesthetic appeal and functional benefits.
  • Helps maintain consistent braking power.

Cons

  • Specific fitment may limit compatibility to certain models and years.
  • Perforations might be more susceptible to clogging with road debris in harsh conditions.
  • Requires professional installation for optimal safety and performance.
  • May require replacement pads specifically suited for perforated discs.

Setup, Compatibility & Care

Compatibility: This TRW brake disc, part number MST364, is specifically designed for the rear axle of SUZUKI GSX 750 F (GR78A) models manufactured between January 1989 and December 1997. Always verify your motorcycle's exact model and year to ensure correct fitment before purchase.

Setup: Installation should be performed by a qualified motorcycle technician. The disc must be mounted using the correct torque specifications and in accordance with the vehicle manufacturer's service manual. Ensure the caliper mounting points are clean and free of debris. New brake pads are recommended for optimal performance with a new disc.

Care: Regularly inspect the brake disc for wear, damage, or warping. Clean the disc surface with a brake cleaner solvent specifically designed for motorcycles. Avoid using harsh chemicals or abrasive materials that could damage the rotor surface. Periodically check the perforations for any clogging from road debris and clear them gently if necessary. Ensure brake fluid is maintained at the correct level and changed according to the manufacturer's recommended service intervals.

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