Rear brakes disc and pads? need help!

tricky-bmw

New Member
May 9, 2011
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Hi just new on here and just bought a 2003 Yamaha blaster today. Got it home and noticed it needs raer disc and pads, how do you do this?
Many thanks!
 
i just changed mine today. same way u change car brakes. u gotta take off the 2 hex bolts, slide out the caliper, the on the oposite side where the hex bolts was is two 12mm bolts that holds the pads in place. remove that, the the pads will slide out. now on the pad that was on the INSIDE, theres a metal plate on that pad, take that off and put it on the new one. now use C clamps to squeeze the caliper in. (this is gonna tricky) when u get the pads in to fit over the rotor dont bolt it up yet. buy brake pad grease from the auto parts store. $1.34. now grease the surface of the pads, bolt it up and good to go. i didnt even have to bleed my brakes. but it may be necessary. so dont take off the brake line. hope this helps I:I
 
You dont put grease on the surface of the pads. The grease is for the sliding mechanism of the calipers (if it slides), and for the back of the pad on a car so the pad doesnt squeal against the caliper piston as it moves around.

Never put grease or anything else lubricating on the rotor surface or the face of the pads.
 
No, the grease is for the moving parts of the caliper. You dont want to put anything that lubricates on the rotor or the actual pad surface, all youre doing is letting petroleum based chemicals soak into the organic material of your brake pads.

Brakes work off friction. They convert kinetic energy into heat energy. The more friction there is, the better the brakes work up to the point where they cant dissipate heat any further.

Putting grease on the brakes will just reduce the friction and make them not stop you as fast. Its very bad to do. Use it on all the moving parts of the caliper, on the sliding brackets, etc. but never on the brake pad face or rotor face. Ever.
 
Thanks very much for your help got the pads out, but how do you change the brake disc? (looks kinda tricky)
 
Thanks very much for your help got the pads out, but how do you change the brake disc? (looks kinda tricky)


Brake disk is easy. Theres 2 ways to do it. I prefer the "hard" way but its easier in the end if something goes wrong. Its also much easier if you have a vice like I do, but you can do it without a vice.

The way I like to do it is to unbolt the brake caliper (yours is already off), and move it aside then unclamp the thin clamps holding the rubber dust cover/seal to the brake rotor hub. Then remove the right side rear tire, remove the cotter pin on the hub, remove the hub, and slide the entire brake rotor/rotor hub off and put it in a vice with the bolts facing up. Then I use an allen wrench, and a socket extension and the smallest deep socket I can use to fit over the allen wrench and still be able to turn (adding a long easy to turn handle to the allen wrench). Then I force the allen bolts off, seperate the rotor from the rotor hub, put the new rotor on, add some blue locktite to the bolts, and tighten them back down in x pattern, corner to corner. Dont overtighten them. The locktite will keep them in place, but dont be a sissy either.

Then just installation is reverse of removal.
 
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