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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... 
  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... 
    • Out of stock
  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... 
  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. 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... 
  9. 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... 
  10. 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 
  11. 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... 
  12. 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... 
  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. Rubber Joint
    $14.94
    Part #
    15-0674
    Rubber Joint (between Air filter boxes) and SpringFits: Stock Air boxes used on 1974-84 650's. 
  18. Engine Breather Hose & Spring
    Part #
    15-0675
    Engine Breather Hose & Spring - Black Vent Hose 14" Length with 10" Spring 
  19. 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... 
  20. Breather Vent Hose
    Part #
    15-0678
    Breather Vent Hose - 1 Meter (approx. 3 feet) bulk length. 
  21. 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. 
  22. 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. 
  23. 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. 
  24. 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 
  25. 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 
  26. 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 
  27. 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 
  28. 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 
  29. 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.... 
  30. 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... 
  31. Brass Fuel Line T- Fittings 3/8"
    Part #
    20-0006
    Brass Fuel Line T- Fittings 3/8" 
  32. 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. 
  33. Clear square inline Fuel Filter.
    Part #
    20-0013
    Clear square inline Fuel Filter. 
  34. Petcock Rebuild kit 1973-77 XS650
    Part #
    20-0014
    Petcock Rebuild kit. These petcocks have a 3 Screw Rear cover plate.Fits: TX650/A 1973-74, XS650B/C/D 1975-77Kit 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 ( 3 Screw type ). 
  35. Petcock O-Ring
    Part #
    20-0021
    O-Ring - Replacement Tap To Tank O-Ring for #20-0019 manual petcock 
  36. Fuel Petcock - Male Threaded
    Part #
    20-0023
    Universal type petcock. Flat lever 1/4"x1/4" with filter and locknut (with tube).  
  37. Gas cap Rubber Seal 1976-84 XS650
    Part #
    20-0036
    Gas cap Rubber Seal - Fits: All 1976-84 XS650 gas caps. OEM: 2MO-24641-00 
  38. Petcock Rear Cover Gasket 1973-77 XS650
    Part #
    20-0053
    Petcock Rear Cover Gasket - (3 Hole) Fits: TX650 XS650's - 1973-77 + our #20-0019 petcocks. OEM Ref.# 447-24522-00 
  39. Fuel Petcock Repair Kit 1979-83 XS650 and more
    Part #
    20-0100
    Kit contains o rings and diaphragms to rebuild one fuel petcock. Does not include plastic diaphragm spacer block.Yamaha XS650 F, 2F, G, H, Special II, Heritage, 78-83.XS400 E, F, 2F, G, H, 78-81, SG/SH Special 80-81 XJ700 N/NC/S Maxim 85-86 XS750 SE after frame 311211 78, XS750SF 79, XS850 80-81 XJ900 83-85 XJ900R SEC... 
  40. Fuel Petcock Repair Kit 1978 XS650 and more
    Part #
    20-0101
    Kit contains o rings and diaphragms to rebuild one fuel petcock. Does not include plastic diaphragm spacer block.Yamaha XS650 E 78XS360 C, D, 2D 76-77 XS400 D 77 SR500 E/F/G/H 78-81 SR500 82-84, 88, 91-93 XS500 E 78 XS750 D/2D/E/F 77-79 XS1100 E/F/G/H 78-81 
  41. 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" 
  42. Wire Hose Clamps 3/16"  Pack of 10
    Part #
    20-4012
    Wire Spring type Hose Clamp. 3/16" (4mm.) inside Diameter size (unexpanded) in packs of 10pc. Suitable for small carb vent hose. 
  43. Wire Hose Clamps 1/4"  Pack of 10
    Part #
    20-4014
    Wire Spring type Hose Clamp. 1/4" (6mm.) inside Diameter size (unexpanded) in packs of 10pc. Suitable for matching small fuel or vent hose. 
  44. Wire Hose Clamps 5/16"  Pack of 10
    Part #
    20-4016
    Wire Spring type Hose Clamp. 5/16" (8mm.) inside Diameter size (unexpanded) in packs of 10pc. Suitable for matching fuel or vent hose. 
  45. 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. 
  46. 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. 
  47. Carb Slide & Diaphragm Assembly 1970-77 Mikuni BS38 CV carburetors
    Part #
    20-6029
    Carb Slide & Diaphragm Assembly. - Fits: Mikuni BS38 CV Carbs as used on 1970-77 XS650 TX 650's OEM Ref.# 256-14940-00 - Mikuni GenuineAlso fits: XS500 C/D 76-77, TX650 73-74 
  48. Brass Carb Float Mikuni BS38 CV carburetors
    Part #
    20-6500
    Brass Carb Float - Fits: 1970-79 XS/TX650 Stock BS38mm. Mikuni CV Carbs. Minor bending may be needed to align properly.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/SG (78-80), XS650 2F (79)Includes Float and pinOEM Ref.# 256-14985-00 
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