GL1200 Front Caliper Rebuild question - Steve Saunders Goldwing Forums
 
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post #1 of 6 (permalink) Old 08-27-2019, 09:12 PM Thread Starter
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GL1200 Front Caliper Rebuild question

OK, so I took my LH caliper apart and found the pistons are bad. I ordered the rebuild kit and it came today but the rubber O rings are the wrong size (about 28mm) The originals are 33mm. In researching what is going on it almost looks like the LH and RH pistons are different sizes. Can someone confirm this?

Second question - is there a good source for quality replacement pistons, both of mine have lateral corrosion which is probably why it was leaking. I cannot buff it out, it is too deep.

Help! Want to get this bike on the road for fall riding season

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post #2 of 6 (permalink) Old 08-27-2019, 09:19 PM
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try David Silver Spares.
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post #3 of 6 (permalink) Old 08-27-2019, 10:02 PM
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Yes, left and right are different. The correct rebuild parts, including pads, can be purchased through your local Honda dealer. I wouldn't use anything else.

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post #4 of 6 (permalink) Old 08-28-2019, 09:49 PM
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so L hand brake side caliper is BIGGER than R side (combined brakes) caliper? right side/rear are same size caliper pistons?

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post #5 of 6 (permalink) Old 08-28-2019, 10:10 PM
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The rear and left side pistons are the same size.

Advise given here is free and comes with no warranty "Caveat emptor"

Ken.
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post #6 of 6 (permalink) Old 08-29-2019, 07:59 PM
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Dont forget to polish the sliders to within an inch of their life and the bores they slide in, use lots of copper grease on assembly and replace the rubber boots if any damage at all.
Rebuild is an anual jod with road salt here in UK
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