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Keihin 1030-840-2000 is the replacement top cap for the standard PWK33 carburetor. It is the removable cap at the top of the carburetor in the upper throttle-slide area.
The cap is shown at callout 15 in the large-body PWK parts layout. Confirmed applications include PWK33, PWK35, PWK36, PWK38, PWK39 and historical PWK41; PWK28 uses different top-cover identities.
Match the complete 1030-840-2000 number and callout-15 position before selection. This is the individual top cap, not a complete carburetor or the surrounding cable, spring and slide components.
- Keihin MPN: 1030-840-2000
- Primary application: standard PWK33
- Diagram reference: 15
- Diagram reference: Standard PWK38 — 15
- Component: individual top cap
- Diagram reference — PWK35/PWK36/PWK38 Quad Vent / Air Striker: 15
- Diagram reference — PWK41 Historical: 15
- Diagram reference — Standard PWK35: 15
- Diagram reference — PWK39 Snowmobile: 1