This product fits your Yamaha YZF-R 125 2020

Brake Piston and Seal Kit Stainless Steel Front - by TRK - Yamaha YZF-R 125 2020

Product Code : PKWO2818

4+ In Stock

Kit Contains:

  • Brake Grease RED For Brake Caliper Rebuilds Small Sachet average contents 5g (AF8837 , Qty 1)
  • Caliper Piston Seal and Dust Seal ID 32mm (AB6166 , Qty 2)
  • Caliper Piston Seal and Dust Seal ID 27mm (AB7065 , Qty 2)
  • Brake Caliper Joint Split Seal 10x5x3 mm as 45103-MR7-006 69107-17C00 (AB0000 , Qty 1)
  • Brake Caliper Stainless Steel Piston 27mm OD by 31mm Long (AG6209 , Qty 2)
  • Brake Caliper Stainless Steel Piston 32mm OD by 21mm Long (AI8722 , Qty 2)

£63.31 £ 63.31 Incl. VAT

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Application List

Make Model Description Year Country

Yamaha MT-125 Front Brake Caliper Piston Kit – TRK Stainless Steel Upgrade

The front brake caliper fitted to the Yamaha MT-125 is exposed to constant moisture, road dirt and winter salt, all of which can cause the original brake pistons to corrode over time. As corrosion develops, the pistons may no longer retract smoothly, leading to brake drag, uneven pad wear and reduced braking performance. This TRK stainless steel front brake caliper piston kit is manufactured as a precision replacement for the original Yamaha components, providing excellent corrosion resistance and restoring smooth, consistent caliper operation.

Manufactured from high-quality stainless steel, TRK brake pistons are designed to outlast conventional plated pistons while offering exceptional value compared with genuine Yamaha replacement parts. Every TRK stainless steel brake piston is covered by a lifetime guarantee, giving long-term confidence in both durability and performance. For the best results, thoroughly clean the caliper seal grooves before installation to remove corrosion and debris, ensuring the new seals seat correctly and the pistons move freely throughout their service life.

Motorcycle fitment

Suitable for the following Yamaha motorcycle:

  • Yamaha MT-125  2015 - 2025
  • Yamaha YZF-R 125 2014 - 2025

Why choose TRK stainless steel pistons

  • Designed as a direct replacement for Yamaha MT-125 front brake calipers
  • Premium stainless steel construction for maximum corrosion resistance
  • Precision manufactured for a reliable fit and smooth operation
  • Excellent value compared with genuine Yamaha components
  • Lifetime guarantee on every TRK stainless steel brake piston

Benefits of rebuilding your brake caliper

  • Improves braking response and lever feel
  • Reduces the risk of sticking pistons and brake drag
  • Encourages even brake pad wear
  • Helps restore safe and dependable braking performance

Helpful rebuild hints

  • Clean seal grooves thoroughly before fitting new seals
  • Remove corrosion and road salt from the caliper body
  • Inspect the caliper bore for damage or excessive wear
  • Lubricate components using fresh brake fluid or red rubber grease
  • Check piston movement before refitting the caliper to the motorcycle

Installation notes

  • Inspect the complete caliper during disassembly
  • Replace worn seals and damaged components where necessary
  • Bleed the hydraulic brake system thoroughly after installation
  • Carry out a full brake function check before riding
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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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