Motorex DOT 4 Brake & Clutch Fluid 250ml

Brake fluid absorbs moisture over time, and wet fluid boils sooner and gives a soft lever. Motorex DOT 4 Brake & Clutch Fluid 250ml (part number 300280) is a brake fluid from Motorex. DOT 4 brake and clutch fluid.

Witchdoctors carries Motorex oils, fluids, lubricants and cleaners for motorcycles, ATVs and UTVs. Check the details below, and contact our team with any questions before you order.

Why Choose Motorex

Motorex is a Swiss lubricant maker that has been developing motorcycle oils and care products for decades and works closely with racing teams and manufacturers, including KTM. Its range covers engine oils, fork and suspension oils, brake fluids, coolants, air filter care, chain care, greases and cleaners.

Key Features

• DOT 4 brake and clutch fluid
• For hydraulic brake and clutch systems that specify DOT 4
• Resists vapor lock and brake fade under hard use
• 250 ml bottle

Specifications

• Brand: Motorex
• Part number: 300280
• Product type: brake fluid
• Size: 250ml
• Rating: DOT 4
• Fitment: universal; check your owner’s manual for the specification your vehicle needs

Where to Use It

For hydraulic brake and clutch systems that call for this DOT rating. Check the rating on your master cylinder cap.

Buying Guide

Use these points to pick the right product:

• Match the DOT rating printed on your master cylinder cap.
• DOT 4 and DOT 5.1 are glycol based and can be mixed; never mix them with silicone DOT 5.
• Use fresh, sealed fluid: an opened bottle absorbs moisture.
• Change the fluid at least every two years, or sooner after hard use.

How to Use It

Bleed or flush the system from the master cylinder to each caliper until clean fluid comes through with no bubbles. Keep the reservoir topped up so no air gets in, and wipe up spills right away because brake fluid damages paint.

Pro Tip

Use a clear hose on the bleeder so you can see when the fluid runs clean and bubble-free.

DOT 4 vs DOT 5.1

Both are glycol-based and compatible. DOT 5.1 has a higher boiling point. Silicone-based DOT 5 is a different fluid and must never be mixed with DOT 4 or 5.1. Always follow the rating on your master cylinder cap.

Signs You Need Fresh Brake Fluid

• A soft or spongy lever or pedal
• Fluid that looks dark in the reservoir
• Brake fade on long descents or hard use
• Two years or more since the last change

Safety Notes

Brake fluid damages paint and plastic, so cover nearby surfaces and wipe spills right away. Keep bottles sealed, and don’t reuse fluid you drained.

Storage and Safety

Store containers sealed, upright and away from heat, sparks and children. Wear gloves when handling oils and solvents, use aerosols in a well-ventilated area, and dispose of used fluids at a recycling center.

Why Buy From Witchdoctors

Witchdoctors carries genuine Motorex products alongside parts for Victory, Indian, Polaris and other machines. Our team can help you choose the right oil, fluid or care product for your ride.

Pair It With

• Motorex DOT 5.1 Brake Fluid 250ml (109911)
• Motorex Racing Brake Fluid 500ml (303274)

Motorex Oil, Brake Clean & Lubricants · Victory & Indian Brake Pads

Helpful Guides From the Witchdoctors Blog

• How to Test Your UTV, Motorcycle or ATV Brake Fluid and Coolant: A 60-Second Safety Check
• Polaris Tech Tip: How to Inspect Polaris Brake Lines and Master Cylinders
• Does Your UTV or ATV Brake Pedal Sink But No Fluid Loss?

Frequently Asked Questions

Is this genuine Motorex?

Yes. Witchdoctors sells genuine Motorex products.

Is it right for my vehicle?

Check your owner’s manual for the required specification and the DOT rating on your master cylinder cap, or contact our team.

What size is it?

This listing is 250ml.

How should I store it?

Keep it sealed, upright and away from heat. Use opened brake fluid quickly because it absorbs moisture.

Can I mix DOT 4 and DOT 5.1?

Yes, both are glycol based. Never mix either with silicone DOT 5.

Where to Ride

Keep your bike ready for the open road:

• Kancamagus Scenic Byway (White Mountains, New Hampshire): 34.5 miles through the White Mountain National Forest
• Newfound Gap Road (US 441) (Great Smoky Mountains, Tennessee and North Carolina): a climb through the heart of the Smokies

Order Today

Add Motorex DOT 4 Brake & Clutch Fluid 250ml (300280) to your cart and Witchdoctors will ship it fast. Questions? Contact our team.

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Returns

If your order arrives and it is not right, we will we'll fix it. We promise!

Doesn't fit or just not happy with it? You can return any new, unopened, unused or unaltered item within 30 business days of delivery receipt of your item. We will issue a refund to your original payment method.

See our full Return Policy for all of the pertinent details.