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Yamaha Motorcycle BS34 38 CV Mikuni Carb Floats, Float Valves and Choke Parts

BS34 38 CV Mikuni Carb Floats, Float Valves and Choke Parts

Flooding carburetors cause hard starting and poor performance, but don’t throw money away on a new set of carbs when a simple float replacement could cure the problem. Mikes XS is your source for Mikuni BS34 and BS38 CV floats, float hinge pins and float bowl gaskets. We also carry Yamaha choke plungers, float needles and seats, float bowl mounting screws and float bowl gaskets to help you complete your Yamaha XS carburetor restoration. 

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  1. Gasket - Float Bowl 1980-84 stock BS34 Mikuni CV carburetors
    Part #
    20-5020
    Gasket - Float Bowl - Fits: 1980-84 XS650 Stock 34mm. Mikuni CV Carbs. XS650 SE/SF/SG 78-80.Oem Ref.# 3F7-14984-00Also fits: XS400 G/H/SH/SJ 80-82, XS1100 80-81, SR250 80-82, XS750. 
  2. Brass Carb Float Mikuni BS38 CV carburetors 1970 - 1979
    Part #
    20-6500
    Brass Carb Float - Fits: 1970-79 XS/TX650 Stock BS38mm. Mikuni CV Carbs. Also fits: XS500C (76), TX650 A (73-74), TX750 A (73-74), XS1/XS1B/XS2 (70-72), XS650 B/C/D/E/F (75-79), XS650 SE/SF, XS650 2F (79).  Includes Float and pin.  OEM # 256-14985-00.  Float span width 65mm.   
  3. Gasket - Float Bowl Mikuni BS38 CV carburetors
    Part #
    20-7029
    Gasket - Float Bowl - Fits: 1970-79 XS/TX650 Stock 38mm. Mikuni CV Carbs. XS1/XS1B/XS2 70-72.OEM Ref.# 256-14984-00Also fits: XS360 C/D/2D 76-77, XS500 C/D 76-77, TX650 A 73-74, TX750 A 73-74. XS750 D/2D 77 
  4. Carb Float Valve (Needle & Seat) Mukuni BS38 CV carbs
    Part #
    48-5019
    Carb Float Valve (Needle & Seat) - threaded type. Fits: XS2 (1972), TX650/A (1973-74), XS650B-F (1975-79) with stock Mikuni BS38 CV CarburetorsAlso fits:RD250 (DS6) and RD350 (R5) 70-72 OEM 168-14190-20-00, XS500 C/D 76-77, TX750A 73-74, XS1100 78-79 
  5. Carb Repair Kit XS400 XS750 XS1100
    Part #
    40-4805
    Carburetor Repair Kit. XS360 - XS400 1979, XS750 E/F/SF/SE 1977-79, XS1100 /SE 1978-1979 Kit includes float needle assembly, chamber gasket and 1 brass O ring.Note: Kit for 1 Carb. 
  6. Choke Plunger Dust Seal Mikuni BS38 CV carbs
    Part #
    48-5041
    Choke Plunger Dust Seal - equivalent to OEM 306-14173-00-00:  1970-1979 XS650 BS38 CV Carb Choke Plunger.   1976-1977 XS360 1976-1977 XS500 1973-1974 TX750 1977 XS750 1981-1982 XJ550 
  7. Rubber pilot jet Passage Plug for Mikuni BS34 CV carbs
    Part #
    48-5002
    Rubber pilot jet Passage Plug (Pk./2) Fits: XS650G/H/SH/SJ/SK/SL (1980-84) Stock Mikuni BS34 CV Carburetors. Used inside float bowl to seal passage to pilot Jet - 1 used per carb 
  8. Carburetor Float Valve (Needle & Seat) Mikuni BS34 CV carbs
    Part #
    48-1445
    Carburetor Float Valve (Needle & Seat) - Push in type with O-Ring seal, needle & clip. Fits: XS650G/H/SH/SJ/SK/SL (1980-84) stock Mikuni BS34 CV carburetors.Also fits:XS400 G/H Special 80-81, XS400 SG/SHSpecial 80-81, XS400 SG Heritage Special 82 XJ550 81-83 XS1100 G/H/LG/LH Midnight Special 80-81, SG/SH Speci... 
  9. Brass Carb Float - BS34 CV - XS400 XS500 XS650 XS750 XS1100
    Part #
    40-4830
    Carb Float . XS400 1977-79, XS500 1978, XS750 1978-79, XS1100 1978-79.  Includes float and pin 
  10. Float Needle Valve Assembly - XS360 - XS400 - XS650 - XS750 - XS1100 +
    Part #
    40-4810
    Float Needle Valve Assembly: Fits: XS360 1976-77, XS400 1977-79, RD400 77 (OEM 1J7-14190-20-00), XT500 76-79 and 88, XS650 77-80, XS750 77-79, XS1100 78-79, RD250 LC 82, RD350 LC 82 2.0mm opening. Thread diameter = 10mm thread pitch = 1.0mm. Equivalent to Mikuni OEM: N122.032. These also fit VM29 VM33 Mikuni 29... 
  11. Choke Plunger Dust Seal Mikuni BS34 CV carbs
    Part #
    48-5040
    Choke Plunger Dust Seal - Fits: 1980-83 Yamaha XS650 BS34 CV Carburetor Choke Plunger 
  12. Float Needle with clip Mikuni BS34 CV carbs
    Part #
    48-5014
    Float Needle with clip - Fits: XS650G-K 1980-84 Stock 34mm. Mikuni CV Carburetors - Viton tipped Needle & clip Only!Also fits: SR250 80-82, XS400 G/H Special II 80-81, XS400 SG/SH/SJ Special 80-82, XV750 88-95, XV1100 88-97, XS1100 80-81, 
  13. Carburetor Choke Body Gasket Mikuni BS38 CV carb XS650
    Part #
    48-2011
    Carburetor Choke Body Gasket - 8 Hole Fits: XS650C/D/E/F/2F/SF (1976-79) Stock Mikuni BS38 CV Carburetor. Note: 1970-73 650's did not use a choke body gasket. 
  14. Float Bowl Screws Mikuni CV carbs
    Part #
    48-0993
    Float Bowl Screws - 4mm. - ( Pk./4 Screws with lockwashers). Fits: Early Mikuni CV carb float bowls. 
  15. Screws - 5mm. Mikuni BS38 CV carb lid
    Part #
    48-0991
    Screws - 5mm.- Early Mikuni BS38 CV carb Lid Screws with lockwashers and Late 34mm CV Bowl Screw Pk./4 
  16. Float Bowl Drain Plug Mikuni BS38 and BS34 CV carbs 1970 - 1979
    Part #
    48-0779
    Float Bowl Drain Plug - Fits:1970-79 Stock BS 38mm and BS 34mm. Mikuni CV Carburetors. 
  17. Float Bowl Drain Screw with O-Ring Mikuni BS34 CV carbs
    Part #
    48-0778
    Float Bowl Drain Screw with O-Ring - Fits: 80-84 Stock 34mm. Mikuni CV Carbs. 
  18. Carb Choke Lever Kit Mikuni BS38 CV carbs
    Part #
    48-0777
    Replacement Choke Lever Assembly for the stock Mikuni BS38 CV carburetors as used on all 1972-79 TX/XS650's 
  19. Float Valve Gasket XS400 XS500 XS750 XS1100
    Part #
    40-4815
    Float Valve Gasket XS400 D/E/F 1977-79Also fits: XS500 E 1978, XS750 1978-79, XS1100 1978-79 
  20. Float Hinge Pin Mikuni BS34 CV carburetors
    Part #
    20-6504
    Float Hinge Pin for stock Mikuni BS34 CV Carbs as used on 1980-84 XS650's 
  21. Float - Plastic - Yamaha - Kawasaki - Suzuki
    Part #
    20-6502
    Plastic Carb Float Equivalent to OEM:16031-1013 16032-08 13250-44080 13254-92311 3H5-14985-00-00 537-14186-00-00 Carb Float and Carb Float Pin - Fits Kawasaki KZ650H2/H3 (82-83) KZ700A1 (84) KZ750K1/K2/L3/M1/R1 (82-84) ZX750A1-A3 (83-85) KZ1000 (81 and up) KZ1100 (81-83) ZN1100B1/B2 (84-85) Suzuki GS2... 
  22. Carburetor Choke Body Gasket Mikuni BS38 CV carb TX650 XS650B
    Part #
    48-2010
    Carburetor Choke Body Gasket - 7 Hole Fits: TX650A, XS650B (74-75) Stock Mikuni BS38 CV Carburetor. Note: 1970-73 650's did not use a choke body gasket 
  23. Carbureor Choke Plunger Mikuni BS38 CV carbs
    Part #
    48-2009
    Carburetor Choke Plunger Fits: Stock Mikuni BS38 CV Carburetors as used on 1970-71 XS1/XS1b 650's OEM Ref.# 603-14171-00 
  24. Carburetor Choke Plunger Mikuni BS38 CV carbs XS2 XS650B TX650
    Part #
    48-2002
    Carburetor Choke Plunger - Fits: Stock Mikuni BS38 CV Carburetors as used on 1972-75 XS2/TX650/TX650A/XS650B 650's. 
  25. Carburetor Float Valve (Needle & Seat) XS1/XS1b Mikuni BS38 CV
    Part #
    48-1429
    Carburetor Float Valve (Needle & Seat) - threaded type - Fits: XS1/XS2 (1970-71) 650's BS38 Mikuni (Solex) 
  26. Carb Choke Plunger Mikuni BS34 CV carbs
    Part #
    48-0775
    Carb Choke Plunger - Fits: Stock Mikuni BS34 CV Carburetors as used on 1980-84 XS650's. 
  27. Float Hinge Pin Mikuni BS38 CV carbs
    Part #
    20-6503
    Float Hinge Pin for stock Mikuni BS38 CV Carburetors as used on 1970-79 XS/TX650's 
  28. Carburetor Choke Plunger Mikuni BS38 CV carbs XS650
    Part #
    48-2012
    Carburetor Choke Plunger Fits: Stock Mikuni BS38 CV Carburetors as used on 1976-79 XS650C/D/E/SE/F/2F/SF 
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