HPM5 Technical Support

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  • AirPro APP Jetting and Prisma Electronics Densimeter

    AirPro Jetting App Guide for Rotax Jetting | Prisma Electronics

    A practical guide to using AirPro Jetting, the Prisma Electronics app designed to support Rotax carburettor jetting through air density data measured by the AirPro Densimeter. Learn how to download sessions, interpret atmospheric conditions, adjust the jetting reference and build a more consistent method between track sessions.

  • Maximizing Engine Performance for 2 Stroke engine: The Importance of Air Density Measurement

    Maximizing Engine Performance for 2 Stroke engine: The Importance of Air Density Measurement

    Air density is a critical, yet often overlooked, factor in two-stroke engine performance. This guide breaks down why it matters, how to measure it accurately with our AirPro densimeter, and how to use that data to find the perfect carburetor jet, featuring our calculator for Rotax engines.