JonM Posted October 24, 2021 Report Share Posted October 24, 2021 Local trials specialist fitted a new clutch & clutch hose as part of diagnosing killer drag issues. Today's the second time I've taken the bike out... .. and suddenly no clutch. The fluid running down the hose reveals the brake line has worked itself loose. FFS. Should the union have a copper washer, loctite, PTFE, fernox or something else to stop this happening? Quote Link to comment Share on other sites More sharing options...
lsv Posted October 25, 2021 Report Share Posted October 25, 2021 I would say Cu washer between union and master cyl. 1 Quote Link to comment Share on other sites More sharing options...
JonM Posted October 25, 2021 Author Report Share Posted October 25, 2021 2 minutes ago, lsv said: I would say Cu washer between union and master cyl. That's what I've gone with, we'll see if it's the right choice. 1 Quote Link to comment Share on other sites More sharing options...
carl ekblom Posted October 25, 2021 Report Share Posted October 25, 2021 Alloy or Copper washer would be ok. But you should inspect the mating surfaces for scratches and dents. And also inspect for cracks because if correctly assembled this would rarely happen. 1 Quote Link to comment Share on other sites More sharing options...
turbofurball Posted October 26, 2021 Report Share Posted October 26, 2021 15 hours ago, carl ekblom said: Alloy or Copper washer would be ok. But you should inspect the mating surfaces for scratches and dents. And also inspect for cracks because if correctly assembled this would rarely happen. Isn't the purpose of a crush washer to account for scratches and dents? I've not seen a bike assembled without crush washers before, is it a new thing to not need them? Quote Link to comment Share on other sites More sharing options...
lineaway Posted October 26, 2021 Report Share Posted October 26, 2021 I would ask him where that formula master cylinder came from. WE were throwing those in the trash not long ago. Quote Link to comment Share on other sites More sharing options...
JonM Posted October 27, 2021 Author Report Share Posted October 27, 2021 12 hours ago, lineaway said: I would ask him where that formula master cylinder came from. WE were throwing those in the trash not long ago. It was already on the bike? A new clutch and hose were fitted, not the master cylinder. Quote Link to comment Share on other sites More sharing options...
lineaway Posted October 27, 2021 Report Share Posted October 27, 2021 That was probably the original problem. A new M/C is in your future. Quote Link to comment Share on other sites More sharing options...
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