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Buell XB rear caliper, repair kit
26-3-2019 - A little how to repair your Nissin Rear Brake caliper on a Buell XB9 and XB12
Due the the fact the 1 piston brake caliper works very heavy on the proper sliding function and piston action, we recommand maintenance. when you see your rear pads wear oneven we advice it to inspect clean or even do a little overhaul.
needed repair kit
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we have removed the caliper with bracket from the bike , and set it in the vise to loosen the slider screws and pad pin
Note this is all Metric !! 5 mm allen for the pad pin
12 mm spanner M6 bolt
14 mm spanner front pin ( band banjo for brake line )
with the slider bolt out you can take the hydraulic part from the mounting part , and take of the rubber boot
on the hydaulic part take out the pad ratle spring
and push the silder pin though the boot to remove it
with the pin out the rubber booth is easy to remove
remove the piston , use a special plier , !!! or very carefully some airpressure in the brake fluid opening , if you use air pressure.. use something to catch the piston as it can shoot out with much force !!!
piston out, with a fine tool pick the 2 seals rings they can be taken out
Clean it propper
New seal set ready to be mounted , can be found here in our webshop
clean and inspect the piston.. minor damage or corrosion can be sanded out with 800 wet sand paper
with a little ATE brake caliper mounting paste ( found here in our shop ) gently push the new seals in
push the piston in with a light coat of ATE grease
in full should go by hand.. but lyning up straight is important
new slider boot.. first in without mounting the pin
silder pin , lube and greas inside off the booth
push down both ways so the booth seats nice in the edge
new bleeded dust cap on
and the front slider mount , clean , put some lube in the hole and push the pin in seat the grease , and put the new rubber in the groove
ready to be mounted
as the starting threads have a little taper. you can put this sliding bolt in cross threading , mounting and than sliding in the caliper to the mount works
and rear bolt back in
mount the pad in, push theme against the spring to mount the pad holder pin ( new pads can be found here )
pad pin in do not super tighten this , hand tight is enough as the lock cap will secure it
and what is left is to mount the rear caliper back on the bike and bleed the brake system
for question or more information please email to info@twinmotorcycles.nl