How much front brake pad drag is normal?

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hondaman160mph
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Location: Elk River Minnesota
Location: Elk River Minnesota

How much front brake pad drag is normal?

Post by hondaman160mph »

I installed a new front master cylinder reservoir and bleed the brakes using a vacuum bleeder. I wrapped the bleeder screws with Teflon tape
and was surprised how much air was removed. Front calipers were rebuilt last year but I didn't use a vacuum bleeder. Jacked the front wheel off the ground and when I spin the wheel by hand it will rotate a little less than one revolution. Is this a normal amount of brake pad drag?
I have a 1978 750 F2 Supersport and it's front wheel seems to spin with less brake pad drag.

steve murdoch icoa #5322
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Location: St. Catharines, On. Canada

Re: How much front brake pad drag is normal?

Post by steve murdoch icoa #5322 »

That is too much drag if it is only spinning one revolution.
I would look into the pads binding on a slider, the caliper piston sticking to a seal or maybe dirt in the master cylinder.

hondaman160mph
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Joined: Sun Aug 17, 2014 12:27 pm
Location: Elk River Minnesota
Location: Elk River Minnesota

Re: How much front brake pad drag is normal?

Post by hondaman160mph »

By pads binding on a slider do you mean the caliper binding on the bolts that hold it to the fork leg? Should the bolts that the caliper floats on be greased or lubricated?

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