YZ250F Front Brake

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6/2/2018 2:15 PM

Purchased an 18' YZ250F and absolutely love the the machine except for the front brake response..riding KTMs for the last few years I became spoiled with that feel. What is the best setup to get a better responsive front brake? I am a rider that relies on front stopping power much more than the rear and need a better responsive brake set up.

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"A rule is a rule and without rules, there is Chaos"....Cosmo Kramer

6/2/2018 2:41 PM

Before going crazy and spend a lot of money, try this: steel line and a quality brake fluid. After that try a Moto Master Disc with stock pads. Love the feel of mine on my yz250f. Had a braking disc before on my Yz450f and wasn’t very happy with it.

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6/2/2018 2:49 PM

Cool...who offers the steel line?

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"A rule is a rule and without rules, there is Chaos"....Cosmo Kramer

6/2/2018 3:02 PM

see if you can find a used front honda brake caliper and master cylinder on ebay. I put one on my yz450f and it made a huge difference. only paid $65.

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6/2/2018 3:09 PM

I did the steel line and solid rotor both from galfer.. never gonna be KTM good but its a huge improvement.

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6/2/2018 3:29 PM

There are several options.. go with moto stuff 2.5mm (or even 2mm) steel line. That would be first, then honda or ktm brembo master cylinder, then braking 270/280mm rotor and the last thing would be motostuff caliper with honda/brembo cylinder and steel line.

I went with brembo cylinder, 2.5mm motostuff steel line and braking 270mm rotor

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6/14/2018 2:32 PM
Edited Date/Time: 6/14/2018 2:34 PM

UPDATE: With the Galfer SS brake line, HH Sintered Pads, and a solid 270mm Rotor I be stopping Like Dutch in his Crown Vic!

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"A rule is a rule and without rules, there is Chaos"....Cosmo Kramer

6/15/2018 1:49 AM

Have you already tried it on the track?

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6/15/2018 6:17 AM

Honda master cylinder

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6/15/2018 6:40 AM

Derek Harris wrote:

Honda master cylinder

Have you tried brembo master cylinder?

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6/15/2018 6:57 AM

Derek Harris wrote:

Honda master cylinder

fpandjic wrote:

Have you tried brembo master cylinder?

Not on a yz

Im sure the right one would work well.



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6/15/2018 8:25 AM

Here is what I think is the best solution........

- Motostuff 280mm rotor kit
- 2012+ Honda master cylinder
- Honda OE front brake pads

Basically the rotor swept area is designed to allow the use of Honda brake pads which provide a 30% increase in contact area providing less heat, less arm pump and longer life. The 2012+ Honda master cylinder has an 11mm bore compared to the 9.5mm bore of the Yamaha. In addition the slick ball and socket linkage keeps the lever action buttery smooth.

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6/15/2018 8:48 AM

I ran a steel line, maxima fluid and a galfer wave disc on mine and my YZ125, was night and day improvement, brakes are not Yamaha's strongest attribute.

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"Asking this question here is analogous to going to a KrispyKreme store and asking the patrons if you should have a doughnut."-NotCore

6/15/2018 9:30 AM

If you are looking for the grabbyness like a KTM, get a solid oversized rotor, not a floating. You will gain more of a quick bite with a solid rotor.

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6/15/2018 1:59 PM

DL wrote:

Here is what I think is the best solution........

- Motostuff 280mm rotor kit
- 2012+ Honda master cylinder
- Honda OE front brake pads

Basically the rotor swept area is designed to allow the use of Honda brake pads which provide a 30% increase in contact area providing less heat, less arm pump and longer life. The 2012+ Honda master cylinder has an 11mm bore compared to the 9.5mm bore of the Yamaha. In addition the slick ball and socket linkage keeps the lever action buttery smooth.

Thanks Don..I was wondering about the Honda MC info..

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"A rule is a rule and without rules, there is Chaos"....Cosmo Kramer

6/15/2018 3:01 PM

A Honda master, caliper, pads, and a steel braided brake line clamping a 270 Galfer rotor got my Yamaha stopping like a KTM.

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6/15/2018 4:47 PM

DL wrote:

Here is what I think is the best solution........

- Motostuff 280mm rotor kit
- 2012+ Honda master cylinder
- Honda OE front brake pads

Basically the rotor swept area is designed to allow the use of Honda brake pads which provide a 30% increase in contact area providing less heat, less arm pump and longer life. The 2012+ Honda master cylinder has an 11mm bore compared to the 9.5mm bore of the Yamaha. In addition the slick ball and socket linkage keeps the lever action buttery smooth.

Vet57 wrote:

Thanks Don..I was wondering about the Honda MC info..

I think 07+ is all the same? We run them on pretty much every non-honda bike we own. Makes a huge difference. Plus every few motos push pistons back into caliper to back bleed the system. It will bring back a ton of feel at lever on any bike............I use a large screwdriver and pry against caliper mount.

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6/15/2018 7:41 PM

DL wrote:

Here is what I think is the best solution........

- Motostuff 280mm rotor kit
- 2012+ Honda master cylinder
- Honda OE front brake pads

Basically the rotor swept area is designed to allow the use of Honda brake pads which provide a 30% increase in contact area providing less heat, less arm pump and longer life. The 2012+ Honda master cylinder has an 11mm bore compared to the 9.5mm bore of the Yamaha. In addition the slick ball and socket linkage keeps the lever action buttery smooth.

I run this setup with the Galfer 270mm (non-floating) rotor on my Yamaha two-smoke.
It is better than my other YZs (which have stock brakes plus a 270mm floating rotor).

In my opinion, the non-floating rotors like the ones from MotoStuff and Galfer have better feel than the floaters I've tried.

The Honda OE pads feel better to me, but they make a tiny bit more noise.
Those Honda pads won't fit the YZ caliper.

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6/15/2018 10:38 PM

DL wrote:

Here is what I think is the best solution........

- Motostuff 280mm rotor kit
- 2012+ Honda master cylinder
- Honda OE front brake pads

Basically the rotor swept area is designed to allow the use of Honda brake pads which provide a 30% increase in contact area providing less heat, less arm pump and longer life. The 2012+ Honda master cylinder has an 11mm bore compared to the 9.5mm bore of the Yamaha. In addition the slick ball and socket linkage keeps the lever action buttery smooth.

cwtoyota wrote:

I run this setup with the Galfer 270mm (non-floating) rotor on my Yamaha two-smoke.
It is better than my other YZs (which have stock brakes plus a 270mm floating rotor).

In my opinion, the non-floating rotors like the ones from MotoStuff and Galfer have better feel than the floaters I've tried.

The Honda OE pads feel better to me, but they make a tiny bit more noise.
Those Honda pads won't fit the YZ caliper.

The Honda pads fiit perfectly and the Motostuff rotor is designed to utilize the Honda brake pads. Also the Motostuff rotor is lighter than the floating rotor Dèsigns. Of course there are many ways to improve the YZ brake set up. This is my experience and it works really well.

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6/17/2018 4:59 AM

Vet57 wrote:

Cool...who offers the steel line?

Yamaha, GYTR. We run them, front and rear and they are great with Maxima brake fluid.

I THINK they are made by motion pro but not sure.

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6/18/2018 6:50 AM

Derek Harris wrote:

Honda master cylinder

This ^^^ - I put 270 disk first - Still bad - Honda 2008 Master cylinder did the job ! I still have the Oem cable - I was thinking of getting braided but after the Honda master cylinder I do not think I need too ..

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