Best answer: What brake fluid does a motorcycle use?

What kind of brake fluid do I need for a motorcycle?

For most motorbike use, it is only DOT 4 and DOT 5.1 that you need to concern yourself with, and it is likely that it will be one of these fluids that is recommended for your motorcycle. As DOT 5.1 is more hygroscopic than DOT 4 and therefore absorbs more moisture, it will need to be changed more often.

What motorcycles use DOT 5 brake fluid?

DOT 5 brake fluid is stipulated for nearly all motorcycles from Harley-Davidson and Buell roughly from model years 1976 to 2004/2005 with original braking systems.

Can I use DOT 3 instead of DOT 4 in motorcycle?

DOT 4 is adequate and does a good job. The reason for not using DOT 3 is that if the brakes get hot enough, the fluid will boil and cause your brakes to fade. DOT 4 will not have any more or less braking power than DOT 3. There’s most likely air still in the lines.

Can I use DOT 3 instead of DOT 5?

DOT 5 can be used as an upgrade or replacement for both DOT 3 and 4, but should not be mixed with any of the other fluids. … This fluid is identical to DOT 5 silicone in both boiling point and viscosity; however, it is compatible in the poly-glycol based systems and anti-lock brakes as well.

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Is there a difference between car brake fluid and motorcycle brake fluid?

Is motorcycle brake fluid different from car? There is no difference in the motorcycle brake fluid and the car brake fluid. The motorcycle and the automotive fluid are one and the same. If both the car and the motorcycle have the same DOT ratings, then they essentially use the same brake fluid in them.

Can I use DOT 5 brake fluid in my motorcycle?

DOT 3, 4, and 5.1 fluids are glycol based and can be mixed together, but DOT 5 fluid is silicone based and can’t be mixed with any other type of fluid. … DOT 5’s price, as well as its compressibility and viscosity, make DOT 5 unsuitable for use in motorcycles.

What is better DOT 3 or DOT 4?

The primary differences between the two include the following: DOT 3 brake fluid will absorb less water than DOT 4 from the air over time, meaning you’ll need to have your fluid changed less frequently. DOT 4 brake fluid has higher dry and wet boiling points, making it safer for higher temperatures.

Can I switch to DOT 5 brake fluid?

Since DOT 4 and 5.1 are both glycol-based brake fluids they are compatible with each other, which means they can be readily mixed without harming your brake system. … Here you can see that silicone based DOT 5 is the odd one out and is not compatible with any other DOT brake fluid.

Can DOT 4 and DOT 5.1 be mixed?

Yes, brake fluids conforming to DOT 3, Dot 4 and DOT 5.1 can safely be mixed although the performance of the higher specifica on products will be diluted. Silicone (DOT 5) and mineral-based brake fluids should never be mixed with any other types.

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What happens if you mix DOT 3 and DOT 5?

They are incompatible and if mixed, brake failure may occur. Moreover, there are serious compatibility issues when using DOT5 in a system that was engineered to use DOT3 or DOT4. Also, users should take care not to mix DOT3 and DOT4 fluids as there may be brake system compatibility issues.

Does DOT 5.1 damage paint?

All DOT 3, DOT 4 and DOT 5.1 fluids — the numbers refer to U.S. Department of Transportation specifications — are conventional glycol/ester-based hydraulic fluids, meaning they can and will damage paint if spilled on automotive bodywork.