Just a warning for you so that you don't go and do what I did, which was to take the gearbox apart without knowing what you are doing.
Post any useful links for how to correctly disassemble your gearboxes.
Nutster
Just an example of the real importance of checking EVERYTHING !!!!
A common problem that is often overlooked is shimming badly or too tight
AND a new piston that is a little too tight or binds inside the gearbox....
(Above all else care & attention to detail is of the utmost importance so check EVERYTHING)
Reason being is that many rip everything out and replace loads of new stuff slapping it all together
Then wonder wtf that is a bit slow/sounds crap/getting very wa