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Yamaha XS650 Gas Tanks, Gas Caps, and Petcocks Parts

Mikes XS has everything you need to restore your aging Yamaha XS650 fuel tank to tip-top shape. We have gravity feed (no-vacuum type) petcock assemblies and XS650 left- and right-hand stock-type petcocks. Or, you can restore your stock XS650 petcock with our petcock rebuild kits and gaskets. And you can complete your XS650 chopper restoration with a new Yamaha XS fuel cap and gas cap rubber seal.

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  1. Brass Fuel Line T- Fittings 3/8"
    Part #
    20-0006
    Brass Fuel Line T- Fittings 3/8" 
  2. Gas Cap Rubber Seal XS1/XS2
    Part #
    20-0651
    Gas Cap Rubber Seal XS1/XS2 
  3. 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). 
  4. 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" 
  5. 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. 
  6. 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. 
  7. 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. 
  8. 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. 
  9. Petcock fuel pipe Filter Set
    Part #
    20-6419
    Petcock fuel pipe Filter Set(2) Fits: Over petcock fuel pipes up inside gas tank.Filter Set - Replacements for #20-0019 petcocks and will also fit 1970-77 XS1 XS2 XS650 stock petcocks.Dimensions: 5mm Inside - 6.7mm Outside - 31.75mm Length.Note - These are our petcocks we sell, not OEM Petcocks 
  10. 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). 
  11. Petcock Filter with filter screen.
    Part #
    20-6421
    Petcock Filter with filter screen. Fits: Original Yamaha manual Petcocks Only. 
  12. Replacement Rubber T Seals
    Part #
    48-0885
    Replacement Rubber T Seals for Brass fuel Line.  Pack of 2.   
  13. Carb Link bar Screws
    Part #
    48-0989
    Stainless Steel carb link bar Screws - Set of 4 with socket (Allen) heads.Link bar screws hold carbs together (on the carb support brackets) and often need replacing when changing the fuel line T on stock 80-84 BS34 CV carbs.6mm x 13mm x 1.0 pitch 
  14. Gas Tank Mount Rubber
    Part #
    02-6530
    Gas Tank Mount Rubber - Front - Fits: All 650's 1970-84 
  15. Gas Tank Mount Rubber
    Part #
    02-6531
    Gas Tank Mount Rubber - Rear - Fits: All 650's 1970-84 
  16. Gas Cap with keys 1976-79 XS650 Standard plus more
    Part #
    20-0033
    Gas Cap with keys - Fits: 1976-79 XS650 "Standard" models and our 64-7700 and 64-7702 Fuel Tanks. Note: Caps from "Standards" and "Specials" do not interchange.Fits most: RD400 (76-80), XS750 (77-79), XS850 (80-81), TX650A (74), XS650B (75), XS360C (76-77), XS500 (76-77), Also fits: RS100-DX, RS125, RD200, RX100, RX125 
  17. Gas Cap with keys 1978-84 XS650 Special and more
    Part #
    20-0034
    Fits: 1978-84 Yamaha XS650 "Specials" Note: Caps from "Standards" and "Specials" do not interchange.Will work with other Specials models: XS400 Specials, XS750 Specials, XS850 Specials, XS1100 Specials, and SR500 78-79 (latch depth adjusted)OEM reference #4R0-24602-01-00 
  18. Blind Plug - carburetor rubber passage plug
    Part #
    48-1447
    Blind Plug - Carb Holder Air Barb - OEM Ref.# 1J7-13569-00. Also called carburetor rubber passage plug.Fits: 1978-84 XS650 stock carb holders & blocks off air barbs when vacuum petcocks are replaced with manual type petcocks. Order quantity needed.Also fits: XS1100 80-81Fits: All Mikes XS Carb Holders and Carb Hold... 
  19. Gas Cap XS1, XS2, XS1B, XS650 (70-73) with Latch Lever
    Part #
    20-0650
    Gas Cap Yamaha XS1, XS2, XS1B, XS650 with Latch LeverFits:1970-1973 Yamaha XS1 XS1B XS2, XS650, TX650 
  20. 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 
  21. 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... 
  22. 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. 
  23. Clear square inline Fuel Filter.
    Part #
    20-0013
    Clear square inline Fuel Filter. 
  24. 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 ). 
  25. Petcock Mount O-Ring 1970-77 XS650
    Part #
    20-0015
    Petcock Mount O-Ring - (Tap to Tank O-Ring) Fits: Petcocks on 1970-77 650's 
  26. Tap to tank O-ring 1978-84 XS650
    Part #
    20-0016
    Tap to tank O-ring XS650 78-84 except '78 E standard model 
  27. 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 
  28. 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... 
  29. Tap to tank Mount Screws
    Part #
    20-0020
    Tap to tank Mount Screws(2), Sealing Washers(2) and metal washers (2)Fits: All XS650's 1970-84. 
  30. Petcock O-Ring
    Part #
    20-0021
    O-Ring - Replacement Tap To Tank O-Ring for #20-0019 manual petcock 
  31. Fuel Petcock - Male Threaded
    Part #
    20-0023
    Universal type petcock. Flat lever 1/4"x1/4" with filter and locknut (with tube).  
  32. 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 
  33. Gas cap Rubber Seal 1974-75 XS650
    Part #
    20-0038
    Gas cap Rubber Seal - Fits: All 1974-75 Yamaha XS650 TX650 gas caps.Oem Ref.# 341-24612-01 
  34. 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). 
  35. 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. 
  36. 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. 
  37. Petcock Rear Cover Gasket 1970-72 XS1 XS2
    Part #
    20-0052
    Petcock Rear Cover Gasket - (2 Hole) Fits: TX/XS650's (usually on 1970-72).OEM Ref.# 256-24522-00 
  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. BS34 Aluminum Carb Fuel Tee
    Part #
    48-0887
    Aluminum Carb Fuel Line Tee with 4 replaceable O-rings. Replaces plastic coated pot metal stock fuel Tee that fits between stock Mikuni BS 34mm.CV carbs used on North American Market 1980-84 XS650's. Fits: 80-84 34mm. CV carbs. 9mm, approximately 3/8"Note: Carbs will have to be detached from each other to instal... 
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