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Shims

Shims

When the valve clearance on any vintage Japanese motorcycle gets sufficiently out of adjustment, the signs may be obvious and they may not. When loose, valves will clatter along with the RPMs of a running engine. That’s easy enough to discern. But when your KZ1000 becomes hard to start, and her performance begins to lag, tight valves should be a consideration. You could live with either one for a while, but the damage is only going to get worse. Valve adjustments are like root canals: They aren’t fun, but they must be done.

Whether you’re correcting the lash on a Yamaha shim-under-bucket setup or a big Kawasaki shim-over-bucket design, Z1 has the shims you need to set your valve lash perfectly. We stock 13mm valve shim kits, 29mm valve shim kits, 29.5mm valve shim kits, and 25mm valve shim kits, and many individually sized shims to suit a variety of vintage Japanese motorcycle restorations or repairs. We also carry the Motion Pro shim changing tool, which is needed to replace the shims on large-displacement Kawasaki engines and costs a fraction of the OEM tool. 

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  1. Valve Shim 25mm 3.00mm
    Part #
    KL13-7630-1
    • Out of stock
  2. Valve Shim 25mm 3.05mm
    Part #
    KL13-7631-1
    • Out of stock
  3. Valve shim 29.5mm diameter 2.60mm
    Part #
    KL13-7669-1
    • Out of stock
  4. Valve shim 29.5mm diameter 2.70mm
    Part #
    KL13-7671-1
    • Out of stock
  5. Valve shim 29.5mm diameter 2.80mm
    Part #
    KL13-7673-1
    • Out of stock
  6. Valve shim 29.5mm diameter 2.85mm
    Part #
    KL13-7674-1
    • Out of stock
  7. Valve shim 29.5mm diameter 2.90mm
    Part #
    KL13-7675-1
    • Out of stock
  8. Valve shim 13mm diameter 2.80mm
    Part #
    KL13-7695-1
    • Out of stock
  9. Valve shim 13mm diameter 2.85mm
    Part #
    KL13-7696-1
    • Out of stock
  10. Valve shim 13mm diameter 3.00mm
    Part #
    KL13-7699-1
    • Out of stock
  11. Valve Shim 25mm 2.40mm
    Part #
    KL13-7526-1
    • Out of stock
  12. Valve shim 29.5mm diameter 2.55mm
    Part #
    KL13-7668-1
    • Out of stock
  13. Valve shim 29.5mm diameter 2.75mm
    Part #
    KL13-7672-1
    • Out of stock
  14. Valve shim 13mm diameter 2.10mm
    Part #
    KL13-7681-1
    • Out of stock
  15. Valve shim 13mm diameter 2.45mm
    Part #
    KL13-7688-1
    • Out of stock
  16. Valve shim 13mm diameter 2.70mm
    Part #
    KL13-7693-1
    • Out of stock
  17. Valve Shim 25mm 2.45mm
    Part #
    KL13-7527-1
    • Out of stock
  18. Valve Shim 25mm 3.10mm
    Part #
    KL13-7632-1
    • Out of stock
  19. Valve shim 13mm diameter 2.25mm
    Part #
    KL13-7684-1
    • Out of stock
  20. Valve shim 13mm diameter 2.30mm
    Part #
    KL13-7685-1
    • Out of stock
  21. Valve shim 13mm diameter 2.50mm
    Part #
    KL13-7689-1
    • Out of stock
  22. Valve shim 13mm diameter 2.55mm
    Part #
    KL13-7690-1
    • Out of stock
  23. Valve shim 29.5mm diameter 2.30mm
    Part #
    KL13-7663-1
    • Out of stock
  24. Valve shim 29.5mm diameter 2.65mm
    Part #
    KL13-7670-1
    • Out of stock
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