Seller notes

THIS IS A NEW CARB VACUUM PISTON DIAPHRAGM FOR THE HONDA GB500 TOURIST TROPHY MOTORCYCLE . FITS YEARS 89-90 You can find many guides and videos on the internet of how to change these but it just looks easy but it is not. The parts are very fragile and delicate so I strongly advise the change to be done by a professional. The diaphragm itself does not have separate part number and the reference HONDA part number for the entire Diaphragm Valve Assembly is 16111-MK6-671 . So according to that numbe...

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