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Yamaha XS650 Fuel System Parts

Fuel System

Clogged XS650 carb jets and needles cause poor performance and annoying backfiring while down shifting and engine braking. Mikes XS stocks brand new XS650 main jets, floats and float needles, carburetor spacers, O-rings and more for Dellorto, PWK, Mikuni and Keihin carburetors.

Old worn out carb boots can cause similar performance issues, but they are often overlooked. If your issues persist, check your XS650 carb holders for checking and cracking. If there is an issue, replace them with a new set of XS650 carb boots from Mikes XS. We can also provide XS650 fuel filters, fuel hoses, performance pod air filters, and billet aluminum intake manifolds.

Mikes XS is also a great source for XS650 petcocks, fuel valves, fuel caps and gas cap rubber seals, and we stock petcock rebuild kits as well. And if your acceleration is starting to glitch out, try renewing the throttle cable. We have Mikuni and PWK-type XS650 throttle cables and extended throttle cables, as well as throttle sleeves, universal grips and vintage-grip throttle assemblies. If it makes an XS650 go, Mikes XS probably has one.

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  1. Throttle Sleeve stock 1970-75
    Part #
    02-2463
    Throttle Sleeve-Fits: Stock 1970-75 XS/TX650 OEM Throttle Housing Assembly. Nylon replacement for cast stock dual pull throttle sleeve.Replaces OEM #256-26243-00 
  2. Throttle Sleeve
    Part #
    02-2465
    Throttle Sleeve - Fits: Stock 1976-84 XS650 OEM Throttle Housing Assembly. Also fits: XS400 
  3. Universal Throttle Assembly with vintage style grip
    Part #
    02-2466
    7/8" Universal Throttle Assembly with vintage style grip. Works with XS650 stock cables and also most Triumph, BSA, Yamaha and Honda with 7/8" handlebars. Single pull throttle years only. Includes throttle assembly with grip and left hand grip.For the XS650 the adjuster nut at the base of the housing needs to be remove... 
  4. Magura Throttle Assembly
    Part #
    02-2467
    Magura Throttle Assembly 
  5. Air Filter - 57mm. XS Performance Pod Air Filter - Mikuni VM34
    Part #
    15-0027
    Sold individually.  57mm. (2 1/4") XS Performance motorcycle Pod Air Filter - Tapered Oval style w chrome end cap. Pod is an improved replica (dyno and flow bench developed) of the most popular brand on the market.Features - Molded in internal velocity stack. - No step rubber mount flange and chrome end cap.Filter... 
  6. Air Filter - 54mm. XS performance Pod Air Filter - Mikuni BS34 CV
    Part #
    15-0035
    Premium quality 54mm. motorcycle Pod Air Filter - Tapered Oval style with Chrome end cap. (2.75") deep x 74 mm. (2.91") wide x 85 mm. (3 3/8") high (at base). Pod is an improved replica (Dyno & flow bench developed) of the most popular brand on the market. Features molded in internal stack, no step rubber mount... 
  7. 42mm pod air filter
    Part #
    15-0142
    42mm pod air filter. Universal clamp on type. Sold each.fits: Yamaha RD250, RD350, RD400, DT100, RS100, RX100 Honda MTX200, XL250RC, CB650F Kawasaki KL250 A/C, KH400, KZ440, KZ750, KZ900, KZ1000, Z1 A/B,Suzuki GS125 ES, TS185ER, RG250 Gamma, GT250, GT380, GT550, GS750, GS1000, GS1000 Katana 
  8. 52mm (2.0") Oval tapered Pod Air Filter
    Part #
    15-0152
    52mm (2.0") Oval tapered Pod Air Filter for motocycles. High quality, good looking filter at a great price.Fits: Aftermarket carbs, such as Mikuni and Keihin. DOES NOT WORK with stock CV Carbs without cutting the interior lip which blocks the slide lift and carburetor vent holes. We DO NOT recommend them for CV ca... 
  9. 54mm (2 1/8") Tapered oval Pod Air Filter
    Part #
    15-0154
    54mm (2 1/8") Tapered oval Pod Air Filter for motorcycles. High quality good looking filter at a great value.Fits: Aftermarket carbs, such as Mikuni, Keihin, and our PWK car kit DOES NOT WORK with stock Mikuni BS34 CV Carbs without cutting the interior lip which blocks the slide lift and carburetor vent holes. We D... 
  10. K&N OEM Replacement Filter
    Part #
    15-0501
    K&N OEM Replacement Filter YA-1152. (Box/2)3" wide by 4" long, 2.25" tall. XS650 C/D/E/F/2F/SE/SF 76-79 
  11. K&N Universal Air Filter
    Part #
    15-0510
    Genuine K&N universal air filter for Mikuni and Keihin motorcycle carburetors.Mounting flange inside dimension 2 1/4", filter outside diameter 3.5", 5" long, flange length 5/8", 5 degree angled flange.Works with Mikuni and Keihin carbs sold on Mikes XS.Does not work with the XS Performance carb kit 48-9010. Works w... 
  12. K&N 2 1/8" (54mm) Universal Air Filter
    Part #
    15-0554
    Genuine K&N Universal motorcycle Air filter. Sold each.3" outside diameter, 4" long, 5/8" flange length, offset flange.Note: legal in California only for racing vehicles.Yamaha XS650 Also compatible with XS400, XS850 80-81, XS1100 78-83. Order one per carb. 
  13. Air Filter - OEM Type - XS1/XS1b (70-71)
    Part #
    15-0651
    Air Filter - Fits: XS1/XS1b 1970-71 - 2 used per bike OEM Ref.# 256-14451-00 Made in Japan 
  14. Air Filter - OEM Type - XS2/TX650 (72-73)
    Part #
    15-0652
    Air Filter - Fits: XS2/TX650 1972-73 - 2 used per bike OEM Ref.# 306-14451 Made in Japan 
  15. Air Filter - 533 OEM Type - XS650 (76-79)
    Part #
    15-0653
    Air Filter - Fits: XS650 C/D/E/SE/F/SF/2F 1976-79 - 2 used per bike.OEM Ref.# 533 -14451-00 Made in Japan 
  16. Air Filter - 447 OEM Type - TX650A/XS650B
    Part #
    15-0654
    Air Filter - Fits: TX650A 1974, XS650B 1975 - 2 used per bike OEM Ref.# 447-14451-01 Made in Japan 
  17. Air Filter - 3G1 OEM Type - XS650 (80-84)
    Part #
    15-0655
    Air Filter - Fits: XS650G-K - All 1980-84 650's - 2 used per bike.OEM Ref.# 3G1-14451 Made in Japan 
  18. Rubber Joint
    $12.93
    Part #
    15-0671
    Rubber Joint - Carb to Air Filter Box - 1Pc. of Air box rubber Joint & 2pc.of Tension Spring - Fits: 1970-79 XS/TX 650's - Carb to air box - right or left side. Each bike requires 2 sets. 54MM 
  19. BS34 Carb Holder Clamp
    Part #
    15-0672
    Carb Holder band Clamp - 49-55 mm. range. Fits carb holders for stock Mikuni BS 34 CV carbs as used on North American 1980-84 XS650's 
  20. BS38 Carb Holder Clamp
    Part #
    15-0673
    Carb Holder band Clamp - 56-61 mm. range. Fits carb holders for stock Mikuni BS 38 CV carbs as used on North American 1970-79 XS/TX650's 
  21. Rubber Joint
    $14.94
    Part #
    15-0674
    Rubber Joint (between Air filter boxes) and SpringFits: Stock Air boxes used on 1974-84 650's. 
  22. Engine Breather Hose & Spring
    Part #
    15-0675
    Engine Breather Hose & Spring - Black Vent Hose 14" Length with 10" Spring 
  23. Reed type PVC Valve
    Part #
    15-0677
    Reed type Positive crankcase ventilation Valve.Valve hooks to engine top breather vent and allows expelled air out but reed prevents air re-entering quickly so a very small vacuum is created in the crankcase. A small power increase has been noted during dyno tests (most notable on pre 77 engines) and the crankcase vacu... 
  24. Breather Vent Hose
    Part #
    15-0678
    Breather Vent Hose - 1 Meter (approx. 3 feet) bulk length. 
  25. Chrome Breather Filter with Mount
    Part #
    15-0680
    Chrome Breather Filter with Die cast Mount Bracket and Filter Cap. 
  26. Breather Filter
    Part #
    15-0681
    Breather Filter with rubber end. 
  27. Chrome Breather Filter
    Part #
    15-0682
    Breather Filter with Chrome Steel Ends. 
  28. Band Clamp 39-43mm
    Part #
    15-0684
    Band Clamp - 39-43mm. range. Can be used for Carb Holders,Air Boxes, Fork Gaitors, Filters etc... requiring this size.Note: See top of this sections for other sizes and clamps specific to stock carb holders. 
  29. Band Clamp Fits 45-49mm
    Part #
    15-0685
    Band Clamp - 45-49mm. range. Can be used for Carb Holders, Air Boxes, Fork Gaitors, Filters etc... requiring this size.Note: See top of this section for other sizes and clamps specific to stock carb holders. 
  30. Band Clamp Fits 63-67mm
    Part #
    15-0686
    Band clamp - 63-67 mm. range. Can be used for Carb Holders,Air Boxes, Fork Gaitors, Filters etc... requiring this size.Note: See top of this section for other sizes and clamps specific to stock carb holders. 
  31. Band Clamp Fits 68-73mm
    Part #
    15-0687
    Band Clamp - 68-73mm. range. Can be used for Carb Holders,Air Boxes, Fork Gaitors, Filters etc... requiring this size.Note: See top of this section for other sizes and clamps specific to stock carb holders. 
  32. Band Clamp Fits 37-43mm
    Part #
    15-0690
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 37-43mm. (1.45"-1.69") Diameters 
  33. Band Clamp Fits 43-49mm
    Part #
    15-0691
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 43-49mm. (1.69"-1.93"") Diameters 
  34. Band Clamp Fits 60-67mm
    Part #
    15-0692
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 60-67mm. (2.38" - 2.64") Diameters. Width: 7mm 
  35. Band Clamp Fits 67-73mm
    Part #
    15-0693
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 67-73mm. (2.64"-2.87")Diameters 
  36. Band Clamp Fits 73-79mm
    Part #
    15-0694
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 73-79mm. (2.87"-3.11") Diameters 
  37. Band Clamp Fits 79-85mm
    Part #
    15-0695
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 79-85mm. (3.11"-3.35") Diameters 
  38. Band Clamp Fits 85-91mm
    Part #
    15-0696
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 85-91mm. (3.35"-3.58") Diameters 
  39. Band Clamp - Fits 91-97mm
    Part #
    15-0697
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 91-97mm (3.58"-3.82") Diameters 
  40. Band Clamp Fits 97-103mm
    Part #
    15-0698
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 97-103mm (3.82"-4.00") Diameters 
  41. Band Clamp Fits 103-109mm
    Part #
    15-0699
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 103-109mm (4.00"-4.29") Diameters 
  42. Band Clamp Fits 109-115mm
    Part #
    15-0700
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 109-115mm (4.29"-4.53") Diameters 
  43. Band Clamp Fits 115-121mm
    Part #
    15-0701
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 115-121mm. (4.53"-4.76") Diameters 
  44. Band Clamp - Fits 121-127mm
    Part #
    15-0702
    Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders.Fits: 121-127mm. (4.76"-5.00") Diameters 
  45. Gasket (Pk./2.) - Intake Spigot XS650
    Part #
    18-0865
    Gasket (Pk./2.) - Intake Spigot (Carb Holder Rubber) - Fits: 1970-84 650's OEM Ref.# 256-13556-01 j XS1 XS1B XS2 TX650 XS650Fits: Between XS650 Manifolds (Carb Spacers) and cylinder head and between the XS manifolds and the carb holders for the PWK 32.Fits: Keihin Flatslide PWK 32mm. XS Performance Carb Set for XS650.... 
  46. XS650 Billet Aluminum Intake Manifolds TC Bros Choppers
    Part #
    19-0460
    TC Bros XS650 Billet Aluminum Intake Manifolds Get rid of your cracked and leaking rubber intake manifolds and replace them with our super trick CNC machined billet aluminum racing intakes. These are very sturdy and improve flow to your motor. They are perfect when installing aftermarket carbs. Your stock rubber intake... 
  47. Brass Fuel Line T- Fittings 3/8"
    Part #
    20-0006
    Brass Fuel Line T- Fittings 3/8" 
  48. Fuel Line T 5/16"
    Part #
    20-0007
    Fuel Line T - Fits: 5/16" ID fuel line (8mm).Ideal for linking output from two fuel petcocks into one. 
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