Why is it necessary to replace brake fluid in motorcycles?
Brake fluid, also known as hydraulic fluid, serves as the medium for transmitting pressure within hydraulic braking systems. Its condition directly impacts braking performance and safety. There are three primary reasons for replacing brake fluid:
1. Hygroscopic Properties:
Brake fluid exhibits strong hygroscopicity, gradually absorbing moisture from the air during use. Increased water content lowers its boiling point, potentially causing vapour lock during repeated braking. This can result in brake fade or complete failure.
2. Performance Degradation:
Over time, brake fluid oxidises and becomes contaminated, diminishing its lubricating and anti-corrosive properties. This may accelerate wear and corrosion within the brake system's components.
3. Routine Maintenance:
Manufacturers typically recommend replacing brake fluid every two years or 20,000 kilometres (refer to your vehicle manual for specifics). This constitutes a crucial maintenance task to ensure the brake system remains in optimal condition.
Can I change the brake fluid on my motorcycle myself?
Certainly! Many enthusiasts choose to maintain their bikes themselves, which not only deepens their understanding of the vehicle but also saves money. The traditional manual method requires two people working together: one operates the brake pump while the other drains the old fluid and adds the new. While this approach is feasible, it presents several drawbacks:
· Air can easily become trapped, necessitating repeated bleeding of the brake system
· Improper handling may cause brake fluid to splash (corroding paintwork)
· It is time-consuming and labour-intensive, requiring a certain level of skill
Using a professional brake fluid bleeding machine, however, makes the process straightforward, thorough, and safe for a single person to complete.
The Replacement Principle of Brake Fluid Exchangers
The operating principle of brake fluid exchangers involves establishing a new brake fluid circulation system. Taking the FXTUL BF608 as an example:
1. Pressure Injection: The machine's built-in air pump generates stable low pressure, forcing fresh brake fluid from the reservoir into the master cylinder.
2. Circulation Replacement: As fresh fluid enters the system, old fluid is expelled through the bleed nipples on the brake calipers into the machine's recovery bottle.
3. Complete Replacement: The entire process occurs within a sealed system, significantly reducing the risk of air ingress and ensuring a thorough, clean replacement.
4. Visual Operation: Transparent tubing allows clear observation of the entire process, from the expulsion of old fluid to the flow of new fluid, enabling direct verification of completion.
This method proves more efficient and thorough than the traditional ‘bleeding by pumping’ technique, particularly suited for complex braking systems such as ABS.
Recommended Product - FXTUL BF608 Brake Fluid Replacement Machine
If you are seeking a professional, reliable and user-friendly brake fluid replacement tool, the FXTUL BF608 warrants serious consideration.
Key Advantages:
· Efficient single-operator use: No assistant required; one-button operation completes the entire process of fluid injection, bleeding, and recovery
· Broad compatibility: Suitable for various brake fluids including DOT3, DOT4, and DOT5.1 (Note: DOT5 silicone-based fluid requires specialised equipment)
· Precise Pressure Control: Electronic pressure regulation prevents seal damage from excessive pressure
· Portable Design: Compact and lightweight, fits easily in vehicle storage or home cupboards
· Multi-Functional Adapters: Includes 17 fittings compatible with most motorcycle, car, and even light truck brake systems
User Experience Highlights:
In practical use, the BF608 performs admirably. Preparing and completing a motorcycle brake fluid change takes approximately 20 minutes. The machine operates quietly with stable pressure, while transparent tubing allows progress to be monitored at a glance. Most satisfyingly, the brake feel is noticeably enhanced post-change, delivering sharper and more responsive stopping power.
Summary
Regular brake fluid replacement is not optional but an essential maintenance task for ensuring riding safety. While traditional methods are viable, they prove time-consuming, labour-intensive, and offer uncertain results. Professional tools such as the FXTUL BF608 brake fluid replacement machine render this critical maintenance simple, thorough, and reliable.
