THESE DIAPHRAGMS ARE OIL AND FUEL RESISTANT INCLUDING THE NEW E10 FUEL.

new 3 x Motorcycle Carburettor Slide Diaphragms membranes
 to fit Yamaha XS400 XS750 XS1100 1977 1978 1979 Mikuni BS34

YOU GET 3 DIAPHRAGMS LIKE IN THE PICTURE ABOVE

72MM OUTSIDE DIAMETER

VERY GOOD QUALITY AFTER MARKET CARBURETTOR REPLACEMENT PARTS

SHOULD BE FITTED BY A PROFESSIONAL MECHANIC AS THESE ARE FRAGILE PARTS

YOU MAY NEED TO TRIM THE TAG ON THE OUTSIDE EDGE OF THE DIAPHRAGM WHEN FITTING THEM

THERES LOTS OF VIDEOS ON THE INTERNET TO SHOW YOU HOW TO FIT THEM

please check your old one is the same before you buy.

SENT WITH ROYAL MAIL 24

THESE DIAPHRAGMS DONT HAVE A SEPARATE PART NUMBER.
THESE ARE USED IN DIAPHRAGM ASSEMBLIES WITH THE PART NUMBERS
2F3-14940-00-00 SO BASED ON THESE NUMBERS THE DIAPHRAGMS SHOULD FIT THE FOLLOWING LIST OF YAMAHA MOTORCYCLE MODELS BELOW FITTED WITH THE ORIGINAL MIKUNI BS34 CARBS

1977 XS400D
1978 XS1100
1978 XS400-2E
1978 XS400E
1978 XS750E
1978 XS750E_227
1978 XS750S
1978 XS750SE-31
1979 XS1100F
1979 XS400F
1979 XS400_2F
1979 XS750F
1979 XS750SF