101667 RBF 660 Dot-4 100 Percent Synthetic Racing Brake Fluid - 500 ml

It's held up to street abuse all season without a hitch. Doesn't even look dirty yet! Stopping power has been excellent. Been working well so far! Probably won't have to change it until end of next season. Overall, only brake fluid I would run on my bike. Great value. I got trust in every ounce of this stuff.

Real mutal fluid and great for track days

Works great and does what it does. Especially with steel braided brake lines, Motul's 101667 RBF 660 Dot-4 100 Percent Synthetic Racing Brake Fluid pairs really well! Longevity and value for money is a 10/10.

This is some of the best brake fluid you can get. High heat resistance that translates to a more positive pedal feel for longer.

Use this in all my bikes. Full track setup, street hypermotard and street S1000RR works great in all of them. No issues pushing great times and heating up this fluid unlike usual fluid used in bikes. A must have for all riders. Please remember to change your brake fluid frequently! It is cheap and keeps your brakes in top shape!

No problems after a year of use in harsh conditions. Hard to tell any difference in actual pedal feel but has not faded or failed.

I bought this for my track bike. My GSXR 600 felt a little odd braking into turn one at Summit Point Main. You have to brake hard after the long straight and this fluid makes a difference you can really feel. The brakes feel the same lap after lap. The lever feels much more consistent each session all day long. The next day I used it at Shenandoah which has some 22 turns I did not bleed the brakes and they felt great. My super moto was a night a day difference as well. I also used in my CBR 954 for the street and the brakes felt close to new. I have used other high end DOT 4 fluids and this brake fluid is the best I remember. The rest of my street and dirt bikes are being converted to this fluid as well. Highly recommend.

Amazing performance. Increased my braking distance overlaps by nearly 37% over the 600 version. New pads as well to make it as fair as possible. My lap times were amazing, lowering 1.5 to 2.3 seconds average. I wanted to also point out some information about the production date stamped in the back. As I see some reviews and it might mislead new users if they don’t know about the new format. Motul used to have the ” . “with format day.month.year before and now they use in many countries the “ / “ with the format of year/month/day as production date and 2 years from production date is the best performance of the fluid. 3-4 might be ok for street driving but is best to be under the 2 year production mark so you can get the best value for your money. As you can see in the pictures attached the production date is not 2030 and I am not from the future lol 😂. It is year 2020/ month January/ day 30. Just wanted to point this out. I hope is helpful.

On time delivery. Works as advertised.

Good, fluid is fully sealed and I recieved one thats relatively recently manufactured (06/2024) works well for track use.

I replaced the OE brake fluid in my Kia Stinger with the Motul RBF 660. It's probably mainly made for the track, but I'm using it on the street. The OE brake fluid quickly boiled, so I needed something with a higher boiling point.

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Quality brake fluid, used before quick delivery