Throttle spring for Keihin PWK carburetors.
Genuine Keihin high quality part.
Keihin part number: 1290-917-2001 / 018-530.
This fits:
- Keihin PWK33 carburetors
- Keihin PWK35 carburetors
- Keihin PWK35 quad vent AirStriker carburetors
- Keihin PWK36 quad vent carburetors.
Complete as pictured.