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Discussion Starter #1
Every year I remove the calipers and clean them.

The products you will need for this job are:

Tools to remove the calipers, ie torque wrench, pliers etc.

Wire to hang the calipers in place if you are not holding them, so you do not stress the brake lines.

fine emery cloth

Brake cleaning aresol

tooth brush

copper grease

This is just a basic preventive maintenance task. I'm not talking about dismantling the calipers and removing the pistons and seals.

What you do is remove the calipers and brake pads by the method the manual suggests. Remember where everything goes.

Spray the brake cleaner around the pistons and seals

Use your tooth brush to scrub them clean

If there are any burrs on the floating pins sand them with a fine emery cloth.

Once everything is clean put copper grease on the floating pins and on the back of the pads near the pistons. This stops squealing and reduces metal to metal friction. Do not get grease on the discs or friction material of pads. Then reasemble.

Remove the other caliper if you do not understand how it goes back together for referance.

Retourque bolts to manual specs with torque wrench.

Always refer to your shop manual for correct procedures

Scooter
 

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Discussion Starter #2
I completed the brake caliper cleaning and lubrication. What you find out is how the parts are wearing and how long they will last before replacement. My pads will last another season. The caliper holder ie. where the caliper floats on the pins is becoming worn out. I will ride two seasons then replace the caliper holder braket. One pin had about .003 " wear with a step. Corrosion was also setting in on the aluminum bores.
I highly recommend this and once you disassamble one caliper and clean and lube it the others are easy. The bolts are locktited in from the factory so reapply blue locktite.

Scooter
 
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I routinely clean my brake disks with aerosol brake cleaner and a soft cloth. Just remember to do it in a VERY well ventilated room, unless you're into the glue-sniffing thing. That stuff'll make you higher than a satellite in low orbit.
 

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discs

Hi scooter maybe you can help the discs on my wee strom rattel a lot the round bushes seam very slack do you know if you can make them tighter I have asked in a post but no replys thanks Smudger
 

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The rotors are free floating. They're supposed to be loose.

Lots of different reasons/opinion as to why.

Separate rotor/hub...

- allows greater heat related expansion without permanent warping.
- allows rotor to self centre in pads.
- allows pads to push back further when brakes are released, reducing friction.
- allows smoother brake operation if rotor does become warped.
- etc.
 
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