bigman Posted December 29, 2011 Report Share Posted December 29, 2011 (edited) Hi Guys Both my clutch and front brake master cylinders seem to be leaking, I have changed the seals on the piston yet it continues, After a details look it seems that the inside of the master cylinder seems to be scored, hence the leaking and continuing to leak with new seals etc!, it has done this since I got the bike so I assume that something got in the levers with the previous owner to score them! Any hoo, I was looking into getting a pair of new master cylinders from Lampkins, but at the best part of £80 each it seems abit expensive, however I am sure I have heard about people fitting AJP master cylinders to Betas, how true is this and does it have any implications? Also is there any difference performance wise between the small and large AJP levers or is it just the reseviour size? Main reason is that I have seen that the AJP full levers are around £25 cheaper than the Grimeca ones!! Also, If I were to get an AJP master cylinder with the outlet in the same position as the grimeca ones (pointing inwards towards the forks) would the standard beta clutch and brake hoses fit straight in? Thanks Adam Edited December 29, 2011 by Bigman Quote Link to comment Share on other sites More sharing options...
deadwood Posted December 29, 2011 Report Share Posted December 29, 2011 i have fitted ajp to betas before and it was a straight swap, easy, Quote Link to comment Share on other sites More sharing options...
bigman Posted December 29, 2011 Author Report Share Posted December 29, 2011 (edited) Thats good to hear, thanks, If I am able to save £50ish by using AJP master cylinders instead of Grimeca I will be happy!! Do you have any other info on whether the small or large AJP master cylinders would be better? Thanks Adam Edited December 29, 2011 by Bigman Quote Link to comment Share on other sites More sharing options...
neilnh Posted December 29, 2011 Report Share Posted December 29, 2011 Ajp levers don't fit grimeca master cylinders very well I had the same problem with my grimeca clutch master cylinder so swapped for the ajp one on my rev 4 and it fitted straight onto the brakehose Quote Link to comment Share on other sites More sharing options...
bigman Posted December 29, 2011 Author Report Share Posted December 29, 2011 Sorry, when I say levers I meant to say master cylinders, looking to swap both the brake and clutch master cylinders, as the AJP ones are much cheaper than the Grimeca ones! Adam Quote Link to comment Share on other sites More sharing options...
neilnh Posted December 29, 2011 Report Share Posted December 29, 2011 That's why I swapped my clutch and have a front brake master cylinder waiting for when the grimeca starts leaking Quote Link to comment Share on other sites More sharing options...
dan williams Posted December 29, 2011 Report Share Posted December 29, 2011 I thought AJP had shut it's doors. Quote Link to comment Share on other sites More sharing options...
bigman Posted December 30, 2011 Author Report Share Posted December 30, 2011 I thought AJP had shut it's doors. Yeh, they have, but a shops seem to still have stock of master cylinders etc. Does anybody know any other differences between these two master cylinders other than the size of the reseviour: and Thanks Adam Quote Link to comment Share on other sites More sharing options...
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