Originally Posted by BOB RAMSAY
My rear brake is about 5% effective - actually, more like 0%, as I cannot stop the bike, even under 10mph.
A little history:
2006 950 Adventure
OEM pads/rotor, 24k miles (all road).
Pads 6mm thick.
Had a light oil contamination last week (don't ask. . . ).
Pulled, cleaned and sanded pads and sanded rotor today. Nada.
Fluid changed summer 2010. Free play is good.
The pads seem to be a darker (gray) as opposed to the 'bronze' color of fresh pads.
My use of the rear brake is an afterthought
, growing up on dirt bikes. But, at times, every little bit counts.
I've noticed the brake being weak before the oil contamination. I always assumed the brake was designed 'weak' for off-road use. But, what do I know. . . ?
Any help would be appreciated. Thx -
Must be some different riding styles out there, I grew up on dirt bikes in Michigan and I used the rear brake ALL the time. Too much front brake = lowside. But I digress, that isn't really what the post is about.
Did you ever get the reservoir diaphragm upgrade? KTM sent out a service bulletin about it back in 07 IIRC (took my 06 950a in for it). The bulletin called for a new diaphragm, and a rear brake bleed.
If I was in your shoes, I'd ensure I have the upgraded diaphragm, pick up a new set of galfer pads as others have suggested, and properly bleed the brakes.
You can check it for "blow by" or leaking cylinder seals by doing the following:
Pump the rear pedal 3-4 times and hold pressure on it, if it starts to slowly move as you apply pressure, then it needs a rebuild. If it stays in the same position after you pump it a few times and hold it, then the cylinder is fine.
Ideally, you should be able to lock the rear brake on dry pavement on these bikes, I was always able too with my 950.