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Yamaha Motorcycle Fuel System

Fuel System

The fuel system is very important to a motorcycle, if it’s not working right or not working at all neither does your bike. Gasoline eats parts faster than anything else so inspections and maintenances should be done regularly. Replacing parts before they completely fail to keep your bike running and to prevent further damages should be a priority.

If you are trying to get your motorcycle performing at its best, we have a large variety of Fuel System parts for you to choose from across many top brands such as K&N, Mikuni, Dellorto, Keihin, and XS Performance.  Be sure to check out our selection of: Throttle cables, Throttle sleeves, Carb holders, Air filters, Fuel filters, Breather vent parts, XS PWK Performance carbs and parts, Dellorto Performance carbs and parts, Mikuni aftermarket VM roundslide carbs and parts, Gas tanks, Gas caps, Petcock parts, BS34 38 CV Mikuni carb floats, Float valves, Choke parts, Carb rebuild kits, Gaskets, BS34 38 CV Mikuni carb slides, Carb top parts, Throttle butterfly parts, Mikuni BS34 38 CV Carb slide needles, Needle jets, Mixture screws, Carb main jets, Carb pilot jets, and Keihin carburetors. 

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  1. Petcock - Yamaha RD250,RD350,R5,DS6,DS7
    Part #
    20-0200
    Yamaha Vintage Petcock, 360-24500-00-00 Includes all seals and mounting hardware Applications: Replaces original part numbers 168-24500-02-00 or 360-24500-00-00 Yamaha RD250, RD350 73'-75' Yamaha RD125, RD200 74'-76' Yamaha R5, DS7  70'-72' Yamaha YR1, YR2, YR3 67'-69' Yamaha YCS1, YCS1C 68' Yamaha YDS6 69'-70' Ya... 
  2. Keyster Premium 'Nencho' Carb Kit XS650 Special 1978-1979
    Part #
    200-1110
    The ultimate carb rebuild kit from Keyster.  For Yamaha XS650 Special 1978-1979.  Two (2) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these XS650 carbs. Included in the kit are: 4 x different Jet Needles - L... 
    • Out of stock
  3. Keyster Premium 'Nencho' Carb Kit XS650 Special 1980-1984
    Part #
    200-1111
    The ultimate carb rebuild kit from Keyster.  For Yamaha XS650 Special 1980-1984.  Two (2) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these XS650 carbs. Included in the kit are: 4 x different Jet Needles - L... 
  4. Keyster Premium 'Nencho' Carb Kit TX650 1976-1977
    Part #
    200-1112
    The ultimate carb rebuild kit from Keyster.  For Yamaha TX650 Special 1976-1977.  Two (2) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these TX650 carbs. Included in the kit are: 4 x different Jet Needles - L... 
  5. Keyster Premium 'Nencho' Carb Kit XS2, TX650
    Part #
    200-1113
    The ultimate carb rebuild kit from Keyster.  For Yamaha XS2, XS650650 Special 1972-1974.  Two (2) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these XS650 carbs. Included in the kit are: 4 x different Jet Nee... 
    • Out of stock
  6. Keyster Premium 'Nencho' Carb Kit XS1/XS1B - Left Carb
    Part #
    200-1114
    The ultimate carb rebuild kit from Keyster.  For Yamaha XS1/XS1B.  This is the kit for the LEFT carb ONLY...  Please buy the related RIGHT carb kit to rebuild a pair of carbs. These kits contain parts not normally available - and help solve rough running issues related to these XS1 carbs. Included in t... 
  7. Keyster Premium 'Nencho' Carb Kit XS1/XS1B - Right Carb
    Part #
    200-1115
    The ultimate carb rebuild kit from Keyster.  For Yamaha XS1/XS1B.  This is the kit for the RIGHT carb ONLY...  Please buy the related LEFT carb kit to rebuild a pair of carbs. These kits contain parts not normally available - and help solve rough running issues related to these XS1 carbs. Included in t... 
  8. 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 
  9. Throttle Sleeve
    Part #
    02-2465
    Throttle Sleeve - Fits: Stock 1976-84 XS650 OEM Throttle Housing Assembly. Also fits: XS400 
  10. 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... 
  11. Magura Throttle Assembly
    Part #
    02-2467
    Magura Throttle Assembly 
  12. 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... 
  13. K&N OE Replacement Filter
    Part #
    15-0501
    K&N OE Replacement Filter YA-1152. (Box/2)3" wide by 4" long, 2.25" tall. XS650 C/D/E/F/2F/SE/SF 76-79 
  14. K&N Universal Clamp on Air Filter
    Part #
    15-0510
    Genuine K&N universal clamp on 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. W... 
  15. K&N 2 1/8" (54mm) Universal Clamp on 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. 
  16. 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 
  17. 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 
  18. 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 
  19. 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 
  20. Chrome Breather Filter with Mount
    Part #
    15-0680
    Chrome Breather Filter with Die cast Mount Bracket and Filter Cap. 
  21. Breather Filter
    Part #
    15-0681
    Breather Filter with rubber end. 
  22. Chrome Breather Filter
    Part #
    15-0682
    Breather Filter with Chrome Steel Ends. 
  23. 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. 
  24. 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 
  25. 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 
  26. 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 
  27. 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 
  28. 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 
  29. 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 
  30. 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 
  31. 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 
  32. Plastic Fuel line T (3/16") 6mm
    Part #
    20-0008
    Plastic Fuel line T (3/16") 6mm.For splitting fuel line into petcocks/carbs. 
  33. Fuel line cut off - 6mm
    Part #
    20-0009
    Fuel line cut off for quick and easy way to cut off fuel supply when working on your bike. 6mm. 
  34. Clear square inline Fuel Filter.
    Part #
    20-0013
    Clear square inline Fuel Filter. 
  35. Tap to tank O-ring 1978-84 XS650
    Part #
    20-0016
    Tap to tank O-ring XS650 78-84 except '78 E standard model 
  36. Sealing Washers for Tap to Tank Mount Screws
    Part #
    20-0018
    Sealing Washers for Tap to Tank Mount Screws. Fits: Under mount screws on 1970-84 XS650's 
  37. Petcock - Non Vacuum type 1978 - 1983 XS650
    Part #
    20-0019
    Non-vacuum type to replace original vacuum type. Designed to fit all 1978 – 1983 North American market XS650’s. The original petcocks were vacuum operated with a hose connected to an inlet located on the intake manifold. The 1978 and ’79 models have a left and right side valve. The 1980 – &rsquo... 
  38. Petcock Rebuild kit 1970-72 XS1 XS1b XS2
    Part #
    20-0049
    Petcock Rebuild kit. These petcocks have a 2 Screw Rear cover plate.Fits: XS1/XS1B/XS2 1970-72 Kit contains: 1pc. Valve Rubber, 1pc. Wave Washer, 1pc. Tap to tank O-Ring, 2pc. Tank bolt Washer, 1pc. Drain screw Gasket, 1 pc.Rear cover Gasket (2 Screw). 
  39. Petcock - Left Hand OEM type 1970-77 XS650
    Part #
    20-0050
    Petcock - Left Hand.- Original Non-Vacuum Manual type - (3 screw rear cover) Replaces All original Left non-Vacuum types used on 1970-77 Yamaha XS1 XS2 XS650's. Holes are 42.5mm apart.Includes: Tap to Tank O-Ring. This petcock will not fit 64-7700 gas tank. 
  40. Petcock - Right Hand OEM type 1970-77 XS650
    Part #
    20-0051
    Petcock - Right Hand - Original Non-Vacuum Manual type - (3 screw rear cover) Replaces All original Right non-Vacuum types used on 1970-77 Yamaha XS1 XS2 XS650's Holes are 42.5mm apart Includes: Tap to Tank O-RingThis petcock will not fit 64-7700 gas tank. 
  41. Gas Cap Rubber Seal XS1/XS2
    Part #
    20-0651
    Gas Cap Rubber Seal XS1/XS2 
  42. Black Rubber Fuel Line 3/16"
    Part #
    20-4009
    Black Rubber Fuel or Vent Line - ( original thin wall type ) 3/16" (4.5mm.) ID x 11.5"Fits: Keihin Flatslide PWK 32mm. XS Performance Carbs for XS650.Note: Each Carb requires 1 pc. to go to each fuel feed (Petcock). 
  43. Black Rubber Fuel Line 1/4"
    Part #
    20-4010
    Black Rubber Fuel Line - (original thin wall type) 1/4" ID (6mm.) - 1pc. x 11.5" 
  44. Wire Hose Clamps 9mm - Pack of 10
    Part #
    20-4017
    Wire Spring type Hose Clamp. 0.35" (9mm.) inside Diameter size (unexpanded)in packs of 10pc. Best Size to fit Standard XS petcocks using 20-4009/10 black rubber fuel line. 
  45. Wire Hose Clamps 10mm pack of 10
    Part #
    20-4018
    Wire Spring type Hose Clamp. 3/8" (10mm.) inside Diameter size (unexpanded) in packs of 10pc. Suitable for matching fuel or vent hose. 
  46. Wire Hose Clamps 13mm 1/2" pack of 10
    Part #
    20-4020
    Wire Spring type Hose Clamp. 1/2" (13mm.) inside Diameter size (unexpanded)in packs of 10pc. Suitable for matching fuel or vent hose. 
  47. 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. 
  48. Petcock 90 degree outlet Fitting
    Part #
    20-6420
    Petcock 90 degree outlet Fitting - Replacement fitting - Fits: XS650 Petcocks -#20-0019, #20-0050, #20-0051 Use as Required (Not original on 20-0050/51). 
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