These are the calipers that will be going on the bike they are off of a bigger yamaha they are sumimoto 6 pots. Along with these there will be a bigger master cylinder probably off of a busa or maybe a V max.
- First things first was to take them apart both of the calipers were off of a shelf this is bad because we can use the hydraulic pressure the push the pistons out a bit and chances are they are very well seized up.
- The pads are held on with two pins and one of these in each caliper was completely seized, after alot of blow torching and pulling they came apart.
I used a puller tool at my local garage Viking Classics to get the pistons out. The old seals were thrown and then the cleaning took place Viking Classics have a good array of tools to pick and scrape off corrosion. The dremmel proved most efficient in clearing the seal cavities. The calipers were sprayed with brake cleaner and blown down with a compressor thoroughly before the new seals were rubber greased up and pushed in.
- Each piston need to be wire brushed clean before assembly, the pistons them selves have a plating on them it is important not to take this off as is will end up in further corrosion and possibly a hydraulic leak!
- In the servicing kit there was also the seal that fits between the two halfs of the caliper and there were new bleed nipples which is always useful! I think the kit cost around £65 for completely serviced brakes!
- Bleed nipples had copper slip on the thread and rubber grease on the cap to protect it.
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