[King CobRa]

Was following @MotoMike's caliper method for the front pads as per the instructions here:

https://www.cbr250.net/forum/cbr250-service-maintenance/29913-how-measuring-brake-pad-wear.html

I measured:

* My Brake disc thickness at 0.292
* Thickness of brand new pads = 0.710
* Measurement across of both my current pads with brake engaged = 0.810

0.810 - 0.292 = 0.518

0.710 - 0.518 = 0.192

0.192 / 0.710 = 27% wear on my pads

100% - 27% = 73% remaining of serviceable life on my pads.

This is at 8000 miles. At this rate I will certainly exceed 25k miles on the stock front pads. My commute is about 60% highway

I invite more members to share their measurements to get a better overall average. You can just buy those $3 plastic calipers from Harbor Freight Tools. And then since they dont have any instructions there is a video on YouTube that teaches you how to read them.

I would prefer to do these calculations with Millimeters but all I have is an old fashioned dial caliper that measures in thousands of an inch.

 

[MotoMike]

I don't think you'll find any sort of useful "average" for brake pad wear, anymore than you would for other wear items, like tires or chains & sprockets. Too many variables between different rider styles/usage (and in the case of chains & sprockets, individual owner's maintenance practices). For example, aggressive sport riders will use up a set of brake pads sooner than a commuter would.

 

[shisoshin]

another eg of brake pad wear - returning to the saddle on cbr250r [last bikes cb750/4's] must have brought habit of lightly resting boot on brake pedal part of prep for corner etc entry, also relying on engine braking as riding habit..
anyway at a service mechanic found rear pad worn down [front hardly worn] even tho front is my go-to brake.. realized habit of touching brake lever on entries etc.. thereafter kept right foot on peg, no further pad wear...


i was experienced rider,, but light weight cbr250r didnt need extra setup for entries etc.. another eg of an unexpected brake pad wear situation..
[since then, incl 2 cbr300r's rear hardly ever used in riding]

 

[MoonShineBurner]

I just went and measure my rear brake pads, since the rear wheel is off to getting new rubber... each pad measures 3/32 of an inch in thickness. 3 divided by 32 is 0.09375
If I divide 0.09375 by 0.710 that equals 13%...

That should be 13% of pad left, and NOT 13% wear on my pad. So, basically I should have changed these pads a few hundred miles ago

Are certain about that measurement of 0.710 thickness for new pads???

🙏 Thanks!!!

 

[airhead83]

I just went and measure my rear brake pads, since the rear wheel is off to getting new rubber... each pad measures 3/32 of an inch in thickness. 3 divided by 32 is 0.09375
If I divide 0.09375 by 0.710 that equals 13%...

That should be 13% of pad left, and NOT 13% wear on my pad. So, basically I should have changed these pads a few hundred miles ago

Are certain about that measurement of 0.710 thickness for new pads???

🙏 Thanks!!!

I'm not sure you'll hear from these folks since it's such an old thread.
The easiest way to check the brake pads is to look at the "wear indicators" on the pads.
Your Owner's Manual should have good instructions and a photo or two.
Look under "Brakes" then "Inspecting the Brake Pads".

 

[MoonShineBurner]

NOW I see the little “ware indicators” I think its time to add a magnifying glass to my tool box 😂🤣😭

Thanks!