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I am going to replace the front and rear pads on my 2009 CBR600 (Tokico radial calipers - fronts).
For the rear brakes the shop manual says to push the floating caliper towards the wheel (watch fluid level) to push the pistons back into the caliper, then remove the pin, remove the pads, clean around the pistons, and then put in the pads, put the pin back, and pump the brake pedal.
For the front brakes its says loosen the pins, remove the caliper, spread the pads to push the pistons back into the caliper (watch fluid level), remove the pins, remove the pads, clean around the pistons, put in new pads, put the pins back, remount the caliper, and pump the brake lever.
Here is my question, everything on line says to clean the pistons before pushing them back into the caliper, but the Honda shop manual doesn't say to clean them prior to pushing them in. The calipers use an outer dust seal and an inner seal for each piston. Just want to see what others think before I go and push the pistons back in. Clean them as best a possible or just push them in? Maybe Honda doesn't call for cleaning the pistons while they are sticking out because of the outer dust seal design?
Thanks.