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Yamaha XS650 Nuts

Improperly threaded nuts have a tendency to fall off when riding, leading to loose parts and, sometimes, an accident. Be sure your XS650 restoration is authentic and safe with our 100-percent accurate Yamaha XS nuts. We stock hard to find items like the auto advance retainer nut, the side-stand bolt with castle nut, front wheel axle nut, steering head lock nut and more. Mikes XS is also a great source for chrome acorn nuts; we have all the sizes you’ll need for you XS650 chopper, or any other XS build.
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  1. Stainless Steel Cylinder Head Nuts
    Part #
    49-0247
    Stainless steel Crown Nuts for All 650 Cylinder Heads 1970-84. 10mm Sold Each 
  2. Shock Mount Acorn/Crown Nut
    Part #
    49-0715
    Chrome Shock Acorn/Crown Nut - Deep Type 17mm hex x 10mm x 1.25 pitch x 21mm Long Fits: Shock absorber upper studs on 74-84 650's 
  3. Alloy Block off Cap
    Part #
    51-6514
    Alloy Block off Cap - for tachometer drive. (Female threads)Seals out dirt if drive is no longer used. Fits: All 650's 
  4. Footrest Mount Acorn Nut - 10 x 1.25 (Crown Nut)
    Part #
    49-0703
    Polished Chrome Shock Acorn Nut - Short Type (Crown Nut)17mm hex x 10mm 1.25 pitch x 16mm Long Fits: All Footrest mount bars 70-84 + Fender mount thru point on 76-78's. 
  5. Chrome Steering Head Nut & Washer XS650
    Part #
    49-0752
    Steering Head Bolt with domed head and matching chrome radiused Washer.Fits: All XS650's with a steering head post Bolt (not models with a damper).Improved appearance over stock style. 
  6. Steering Head Locknut
    Part #
    49-0750
    Steering Head Locknut. Fits: 74-84 XS650's Replaces OEM # 90179-25033 
  7. Rear Axle with Nut
    Part #
    49-0726
    Rear Axle with Nut - Fits: All XS/TX650's 1974-84 Replaces Axle - OEM #341-25181 & Axle Nut - OEM# 90171-18008 
  8. Rear Wheel Axle Nut
    Part #
    49-0719
    Rear Wheel Axle Nut 
  9. Front Wheel Axle Nut
    Part #
    49-0718
    Front Wheel Axle Nut.All XS650's. XS250 77-84. XS360 76-77, XS500 75-78, TX500 73-74, TX650 73-74, TX750 73-74, 
  10. Crown Nut for Exhaust Mount Studs
    Part #
    49-0712
    Crown Nut for Exhaust Mount Studs 
  11. Passenger peg Mount Nut
    Part #
    49-0716
    Passenger peg Mount Nut - Polished Chrome Acorn/Crown Nut - 12mm. (19 x 19)Special fine thread to fit passenger footrest mount studs on 1977-84 650's.Will work for RD's. 
  12. Passenger peg Mount Nut
    Part #
    49-0717
    Passenger peg Mount Nut - Locking type Nut - 12mm. (19 x 11)Special fine thread to fit passenger footrest mount studs on 1977-84 XS650's XS400. 
  13. Cylinder Guide Bar Nut
    Part #
    49-0722
    Chrome Cylinder Guide Bar Nut (Pk./2) Fits: into Front/center of cylinder casting.Fits: All 650's 1970-84. 
  14. 5mm. Chrome Acorn/Crown Nuts (pk./10)
    Part #
    49-0725
    Polished Chrome Acorn/Crown Nuts (Pk./10) - 5mm. x M0.8 thread.5mm. Crown Nuts fit to rear of late model 650 stock tach & speedo's. 
  15. Front Axle with Nut
    Part #
    49-0727
    Front Axle with Nut Fits: All XS/TX650's 1974-84Replaces Axle OEM # 341-25181 & Axle Nut OEM# 90171-14006/020 
  16. Chrome Acorn Nut (pk 10) 6mm x 1.00 (Crown Nut)
    Part #
    49-0753
    Polished Chrome Acorn Nuts (Pk./10) - 6mm. x M1.00 thread. (Crown Nut) 
  17. 8mm. Chrome Acorn/Crown Nuts (pk./10)
    Part #
    49-0754
    Polished Chrome Acorn/Crown Nuts (pk./10) - 8mm. x M1.25 thread. XS400 
  18. 10mm. Acorn/Chrome Crown Nuts (pk./10)
    Part #
    49-0755
    Polished Chrome Acorn/Crown Nuts (pk./10)Short type - 10mm. x M1.25 thread x 16mm. high (17mm. hex) 
  19. 6mm. Acorn Nut for Tappet Cover (Crown nut)
    Part #
    49-0707
    6mm. Acorn Nut for Tappet Cover (Crown nut) 
  20. 8mm. Tappet Cover Acorn Nut (Crown Nut)
    Part #
    49-0705
    8mm. Tappet Cover Acorn Nut (Crown Nut) 
  21. Nut & Washer Set for oil pump
    Part #
    05-0060
    Nut & Washer Set for oil pump 
  22. Chrome Muffler joint nut
    Part #
    07-4621
    Chrome Muffler joint nut - Threads onto original XS1/XS1b/XS2 1970-72 & 1973 
  23. Auto Advance Retainer Nut
    Part #
    14-0654
    Ignition auto advance Retainer Nut. Holds advance unit to Camshaft end.Cogged Nut to replaced damaged original nut.Fits: All XS650's TX650 1970-84 
  24. Alternator Rotor Nut
    Part #
    24-2647
    Alternator Rotor 12mm. Nut & Washer Set 
  25. Sidestand Shoulder Bolt with Castle Nut
    Part #
    37-0007
    Sidestand Shoulder Bolt with Castle Nut Fits: All 1970-76 XS/TX 650's. 
  26. Clutch Hub Nut
    Part #
    39-6514
    Clutch Hub Nut. Fits: All 650's 1970-84 Use 27mm. Socket Oem Ref.# 90170-18221/18089, 156-16174-00 
  27. Chrome Acorn Nut (Pk/6) - Crankcase (Crown Nut)
    Part #
    49-0248
    Tall Chrome Acorn Nut Set - 6pc. used on bottom of crankcase. (Crown Nut)8mm. x 1.25 thread x 19mm. tall (use 12mm. wrench).Replaces OEM# 90176-08019 
  28. Cyl.  Head Crown Nut - 10mm x 1.25
    Part #
    49-0700
    Cyl. Head Crown Nut - 10mm x 1.25 
  29. 10mm. Chrome Acorn/Crown Nuts (pk./10)
    Part #
    49-0756
    Chrome Acorn/Crown Nuts (pk./10)Long type - 10mm. x M1.25 thread x 21mm. high (17mm. hex)Note: Not for use as Head Nuts. 
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