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This product fits your Yamaha XJR 400 (Japan) (4HM7) 1996

Front Brake Master Cylinder Reservoir Diaphragm - Yamaha XJR 400 (Japan) (4HM7) 1996

Product Code : AA8825

Out of Stock

£9.36 £ 9.36 Incl. VAT

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Application List

Make Model Description Year Country

Brake Master Cylinder Reservoir Diaphragm

This brake master cylinder reservoir diaphragm is a small but essential part to maintain the health and performance of your motorcycle's hydraulic braking system. It fits inside the brake master cylinder, the component that converts the force applied on the lever or pedal into hydraulic pressure to safely stop your bike.

Diaphragm Function

The reservoir stores the brake fluid, which transmits force from the lever to the brake calipers. As brake pads wear, the caliper pistons require more fluid to maintain proper pressure. The diaphragm ensures there is always enough fluid and protects the system from contaminants.

Its main function is to separate the brake fluid from the outside air, minimizing the entry of moisture, dust, and other impurities that could degrade the fluid and affect braking performance. Additionally, it allows the fluid volume to expand or contract with temperature changes without creating excessive pressure or vacuum in the circuit.

Benefits of Replacing the Diaphragm

  • Restores the integrity of the brake master cylinder reservoir seal.
  • Improves braking response and smoothness of the hydraulic system.
  • Prevents air from entering the brake lines.
  • Prolongs the life of brake fluid and other system components.
  • Compatible with a wide range of Yamaha, Kawasaki, Honda, Suzuki, and other models.

Application and Compatibility

This diaphragm is a versatile replacement ideal for preventive maintenance or restoring brake systems. It ensures safety and optimal performance on the road, in the city, or on demanding routes. Always check compatibility with your specific model before installation.

Installation and Recommendations

Installation is simple: just replace the old diaphragm with the new one, ensuring the seal is properly seated. It is recommended to check the brake fluid level and bleed the system if necessary after the replacement.

Conclusion

A small component that makes a big difference: keeping the brake master cylinder reservoir diaphragm in good condition is key for safe and effective braking. Ideal for riders who value safety and performance on every ride.

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Returns

We hope that you are happy with your order, however, there may be instances where you wish to return an item. We ask that customers return items unused and with their original packaging. All returns should include a covering note stating the reason for the return and the order number clearly marked. Please retain the proof of postage until we have confirmed receipt of the items. We recommend sending by a recorded postage method. Refunds will be processed by the original payment method. If you paid on card, it can take up to 7 days to appear back in your account, with PayPal refunds taking up to 30 days refund if you've simply changed your mind, you have 30 days from the date of purchase to return your item(s) for a refund. Customers are responsible for return shipping costs where items are supplied correctly.

Exchanges

We allow customers up to 6 months after the purchase date to return the item for exchange, provided the item is in re-saleable conditions and proof of purchase can be established.

Supply errors

We ask that customers report supply errors as soon as possible after delivery. We reserve the right to decline issues reported beyond 6 months of the purchase date. Please check your order thoroughly on receipt. Where goods are supplied in error, or arrive damaged, we will cover all shipping costs and exchange or refund in full. We reserve the right to charge a 15% restocking fee for items that are returned in poor condition or outside of the accepted time period.

Electrical Items

Please note that when fitting electrical parts these can be damaged by the same faulty electrical system that caused the initial failure and in such circumstances these parts cannot be returned for a refund

Fitting Issues


Where customers experience issues fitting parts to their vehicle, we will always endeavor to thoroughly investigate and rectify where possible. We will first try to ascertain that you have purchased for the correct model of bike and that no modifications have been made. We cannot be held liable for issues fitting standard parts to non-standard or modified vehicles. 

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