Author Topic: Brake Caliper adjustment bolt  (Read 2220 times)

Offline Laverda Dave

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Re: Brake Caliper adjustment bolt
« Reply #15 on: July 11, 2025, 09:04:03 AM »
Are you 100% sure the swing arm is moving George. I have taken mine apart before even though it felt free to move but it wasn't until I actually removed the whole thing that I found it was sticking. If the two o-rings are missing from the pivot pin water gets down there (even when you wash the bike) and it results in the pin rusting plus a bit of aluminium to steel corrosion going on results in the pivot becoming sticky.
I would take it apart for piece of mind, clean the pin with a bit of fine emery or wire wool and do the same with the arm where the pivot fits. When you reassemble make 100% the two o-rings are in good condition and sit in the recess. Be warned, Honda OEM o-rings are expensive, do yourself a favour and buy a box of various sized o-rings from eBay, much cheaper and you will always use them.
1976 Honda 400/4
1977 Rickman Honda CR750
1999 Honda VFR 800FX
1955 750 Dresda Triton
1978 Moto Morini 350 Sport
1978 Honda CB400/4 'The Flying Banana'
1982 Laverda 120 Jota
2020 Royal Enfield Interceptor 650
1990 Honda VFR400R NC30

Offline Athame57

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Re: Brake Caliper adjustment bolt
« Reply #16 on: July 11, 2025, 12:07:05 PM »
Are you 100% sure the swing arm is moving George. I have taken mine apart before even though it felt free to move but it wasn't until I actually removed the whole thing that I found it was sticking. If the two o-rings are missing from the pivot pin water gets down there (even when you wask the bike) and it results in the pin rusting plus a bit of aluminium to steel corrosion going on results in the pivot becoming sticky.
Hi Dave, I have both O-rings and I can spin the thing around like those olf football rattles! I've really pulled everything out and cleaned meticulously plus new grease.  ;)
I brake for animals!
1978 CB400F2 called Elen.

 

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