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XS650Direct part number: 14-0652
Confirm guide diameter
or spark becomes inconsistent after basic wiring checks
XS650Direct part number: 20-6502
Graduated measuring cylinder
1980-84 Yamaha XS650 Carb Slide Diaphragm - BS34 ~ OEM 3F7/3H5-14940 XS850H 1981 XS650Direct part number: 14-0652Carb Slide Diaphragm BS34 Replaces Yamaha OEM 3F7 3H5 14940. This Carb Slide Diaphragm BS34 works in the carburetor slide area, controlling slide movement, needle position, or throttle response. Choose this carb slide diaphragm when slides stick, needles wear, clips loosen, or throttle response becomes inconsistent after cleaning and cable checks. Fitment Compatibility Fits Yamaha: Yamaha XS400 (1980 83) Yamaha XS400S 1981 Yamaha XS650 (1980 81)