25-02-23, 05:29 PM
(09-02-23, 06:39 PM)Gaz66 link Wrote: also no one ever mentions separating the carbs to inspect or replace the "Air cut valve" diaphragms, only 1 can be accessed with carbs together, 3 can't so they need to be split apart, seems it's an often neglected part on these Mikuni's, bike won't run correctly without them being in good order, plus you can't fully clean out the carbs effectively with either an ultra-sonic bath or solvents, Solvents will likely damage the diaphragms, I believe they're no longer available from Yamaha, plus they'd be silly money too ...
When inspecting the diaphragms, is it easy to see any problems at first glance?