fastbob Posted September 21, 2017 Share Posted September 21, 2017 I recently fitted an EBC Kevlar complete clutch kit to my gsxr 1100 WP which included HD springs ( diaphragm type ) I'm having a bit of trouble especially on long trips with pain in my wrist and hand due to the extra force needed to pull in the clutch lever. Can anyone recommend an upgrade from another bike that has a bigger master cylinder piston ? I'm thinking maybe Hayabusa or TL 1000 perhaps ? It needs to be off a bike with down sloping clip-on style bars or the cover won't be level. All ideas most welcome. I'm basing this idea on my less than complete understanding of the principals of hydraulics by the way. Quote Link to comment Share on other sites More sharing options...
Stu Posted September 21, 2017 Share Posted September 21, 2017 You will probably find that the TL and hayabusa is the same size bore on the clutch master cylinderdo you know the bore size of yours? You will probably be best going for a radial M/C but they can be expensive Quote Link to comment Share on other sites More sharing options...
Stu Posted September 21, 2017 Share Posted September 21, 2017 Hayabusa clutch masters are 5/8” where as the TL one is 14mm Quote Link to comment Share on other sites More sharing options...
Tango Posted September 21, 2017 Share Posted September 21, 2017 Triumph Sprint/Daytona/etc is a 14mm clutch master cylinder too.....which may fit.....https://www.triumphparts.gbr.cc/product.php/6713665/ Quote Link to comment Share on other sites More sharing options...
fastbob Posted September 21, 2017 Author Share Posted September 21, 2017 Thanks for the replies so far, I guess I'm going to have to find out the existing bore size . I'll search the net but if all else fails it's out with the circlip pliers this weekend. Quote Link to comment Share on other sites More sharing options...
megawatt Posted September 21, 2017 Share Posted September 21, 2017 Try the OSS or ACP forums. Someone on there will know. Quote Link to comment Share on other sites More sharing options...
fastbob Posted September 21, 2017 Author Share Posted September 21, 2017 OK , I've found it , it's 14mm. It's in the service manual.So that's 0.5495 inches . If 5/8 of an inch is 15.9 mm then according to Stu a Hayabusa master cylinder should do the trick. Thanks mate and thanks to all who replied . Now then , what's on EBay ?......OK, had a look absolutely shed loads average price around £40 . Result. Quote Link to comment Share on other sites More sharing options...
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