Advice for bedding HH pads?

My front brakes have been kinda unimpressive lately, and one thing led to another... by the time I was finished, I had completely disassembled the calipers and installed new piston and O-ring sets (having discovered one piston more-or-less frozen, thus the poor performance). Also, having never used them previously, I took the opportunity to fit HH pads, "just to see" what they're like.

My question is, how should I break/ bed them in?

I have NOT refinished the rotors, but some of the internet advice I've come across tells me I might be risking 'shudder', when the new pads grip and slip on areas where there is old pad material on the surface, vs other areas where the new pad material has 'set'. How serious is this risk? And/or will the harder HH material simply 'clean off' the older organic surface film? If I must clean the surface, is it acceptable to simply hand-buff the surface a bit with fine emory paper or something of the sort?

Once that's sorted, it sounds like the ideal procedure is to make repeated braking cycles under moderate pressure (Brembo says 30!), maybe from 30-40 mph to 10-15 mph, with 20-30 seconds to cool between each, then something like 10-15 harder stops from 50-60 mph to low speed (not stopping), also with time between to cool. Does this sound about right? (I've never worried about bed-in before, cuz with previous organic pads, just 'normal riding' seems to do the trick... but the HH's are 'different'...)

Thanks for the voice of experience!
Cheers,

[yorkie_chris]

Just don't go completely nuts on them, ride normally for a bit, then go nuts.

lLike the man says,give them a couple of hundred miles relaxed use to bed in to the scoring on your discs before serious use

[andrewsmith]

Originally Posted by yorkie_chris

Just don't go completely nuts on them, ride normally for a bit, then go nuts.

This

Got a set of EBC GG's bedded in doing this. The discs were errrrrmmm warm to say the least when I got them sorted.

Remember new pads will have not much at all for the first few miles so make sure you allow longer to stop

so simple!
thanks guys.
cheers,

ISTR there's plenty of t'web - this from the EBC website

To bed in sintered pads, drive the vehicle carefully allowing extra braking distance for the first 300 miles. Please be aware that brake performance during the bed in period may be significantly less than you have been accustomed to. What you are looking for is to see a 90%+ surface area contact between the pad and the disc or rotor before optimum braking will be achieved.

Once your pads are 90% surface area bedded after the 300-400 miles, on a safe road, use the brakes 10 times in succession stopping your motorcycle from 60mph to 20mph to get the brakes deliberately hot. This is particularly important with the organic versions (Kevlar® types, carbon based pad types and semi-metallic pad types). After this process, the pads should settle down and normal riding and brake performance can be safely achieved.

http://www.ebcbrakes.com/ebc_brakes_...d_rotors.shtml

Originally Posted by tim8061

ISTR there's plenty of t'web - this from the EBC website

indeed there is Tim, with quite a range of suggestions and some outright contradictions - thus my question... trying to confirm what people do in the 'real' world, and how that works out.

so far, went for a ride for a couple hours yesterday, did some 'normal' riding, plus did a couple sessions of 'bedding stops' (maybe 20 in total). I'm not happy yet, but I need to rebleed too. time will tell.

thanks for the input.

Originally Posted by doser

indeed there is Tim, with quite a range of suggestions and some outright contradictions - thus my question... trying to confirm what people do in the 'real' world, and how that works out.

What people say and what's best are not necessarily the same. Personally I'd go with what the pad manufacturer specifies rather than random opinions. Up to you, it's your bike.

[yorkie_chris]

And at the end of the day it's only a set of brake pads, if you f*** them up it's not the end of the world. If you do something silly and glaze them you can rough them up a bit.