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Do Brake Pads Expire?

OasisInTheDesert

New member
Joined
Oct 20, 2025
Messages
7
Location
Lovelock, NV
I just bought an 07 Yamaha V-Star 1100 from a YouTube channel - I pick it up next weekend. It was a good price, and I wanted a big, heavy couch that'll eat up highway miles without complaint or roadside issue for some planned trips this summer.

A mechanic went over the bike and said the front pads were factory original, but nearly at 100%. The old owner was a rear brake only kinda guy, I guess.

My first big boy bike was a, "It's free if you can get it started" 80's Kawi, that was also about 20 years old. On one of the first rides, going up a mountain, the rear brake pad separated from the rest of the shoe, jamming the rear wheel locked. SOMEHOW, I kept the thing upright!

Now, I know that brake pads don't formally, 'expire.' But does whatever bonds the pad material to the backing plate lose strength overtime?

So, I'm kind of leery of old brakes. Do you think what happened on that Kawi was a 1-off, freak accident? If you were getting an almost 20 year old bike, would you replace the brake pads, even if they were unused?
 
Last edited:

BergyPatty37

Well-known member
Joined
Sep 9, 2025
Messages
520
Location
Central Maine
If you are questioning it, just replace them. They cost like $60 for a good set. As you probably know front braking does roughly 70% of your braking power, so if you are worried I would just throw new ones on.
 

dmonkey

Well-known member
Joined
Jul 4, 2021
Messages
3,480
Location
Loveland, CO
That 2007 Yamaha V-Star 1100 has disk brakes front and rear, right? If so, apples to oranges grouping it with a 1980s rear drum. I suspect that Kawasaki's brake shoe that failed could have been a relined shoe that was not done well.

I'd inspect the brake pads. Do they look like they've gotten dirty or oil contaminated enough that it might affect the friction material bonding? Are they rusty at all? If not... those may as well be NOS brake pads and I personally wouldn't shy away from running them. I would definitely bleed the brakes if not recently done and inspect the caliper piston seals though.
 

m in sc

Well-known member
Joined
Feb 2, 2021
Messages
3,206
Location
Rockhill, SC
probably be ok as long as they don't have any contamination in the material rust, etc. however, new pads are cheap
 
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