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Keihin PWK Throttle Spring
Description
Keihin return spring 1290-920-2000 fits inside the top-cover and throttle-valve assembly. It is the throttle spring, not the smaller spring used on the idle adjuster. Order number 018-531.
Fits PWK38, PWK39 and PWK41 non-Air-Striker carburetors, PWK38 Quad Vent / Air Striker and PWM38. PWK33, PWK35, PWK36 Quad Vent and PWK35 Air Striker uses a different throttle spring, 1290-917-2001.
- Standard PWK38/PWK39 diagram reference: 19.
- PWK41 diagram reference: 19.
- PWK38 Quad Vent / Air Striker diagram reference: 19.
- PWM38 diagram reference: 19.
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