Jitsie Throttle Valve #3.5 PWK 28MM Carburettor

Throttle Valve #3.5 PWK 28MM Carburettor

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About this Jitsie Throttle Valve #3.5 PWK 28MM Carburettor

Keihin #N502-52H00

  • replacement throttle slide for Keihin PWK 28mm carburettors
  • cutaway size: 3.5 – standard for most trials bikes
  • precisely controls airflow and fuel mixture from idle to mid-throttle
  • CNC machined for smooth operation and accurate fit
  • OEM-style design for reliable performance
  • durable construction for long service life

The Jitsie 3.5 throttle slide for Keihin PWK 28mm carburettors controls airflow through the carburettor and has a major influence on throttle response and fuelling from idle to mid-throttle.

The 3.5 cutaway is the standard size used in most trials applications, offering smooth, linear power delivery and precise low-end control. Manufactured to OEM specifications, this slide ensures accurate fit, smooth movement, and consistent performance.