
Description
Inside the PWK28 throttle-valve assembly, Keihin spring 1290-921-2000 is the throttle-valve spring shown at reference 19. Order number 018-532.
For PWK28 only. PWK33 to PWK39 carburetors use different throttle springs, so match the full part number rather than selecting by the PWK family name.
- It works within the throttle valve assembly and is shown at reference 19 in the PWK28 exploded view.
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